Network control device and method of controlling said device, communication device and method of controlling said device

FIELD: physics, communications.

SUBSTANCE: invention relates to network control means for controlling a photography network in a suitable manner. A plurality of devices, which includes a master device which outputs a control command to control a photographic operation, and a slave device which executes the control command belong to a photography network. The network control device preferably defines, from the plurality of devices belonging to the photography network, a master device as a candidate device which will become the new network control device when the network control device is disconnected from the photography network controlled by the network control device itself.

EFFECT: high stability of operation of the network.

16 cl, 1 tbl, 8 dwg

 

The prior art INVENTIONS

The technical field to which the invention relates

The present invention relates to a device management network and method of operation of this device, and communication device and method of operation of this device.

Description of the prior art

Traditionally, there is a known network system of photographing, such as a wireless system photography with multiple flash units, wherein the plurality of devices connected through the network, together perform a photographic operation. Each device that forms the network photographing system, has the functions to implement the network between the devices and functions for joint photographic operations. Network system photography can be considered comprising two internal logical system: network system formed by functions of the devices on the network, and a system of photographing, is formed through functions related to photographic operation. Each internal system is implemented on the basis of the relationship master-slave between the master device and subdevice.

More precisely, the network system is formed of the control device (host device) to manage the network and terminal (subdevice),�personal from the control device. The photographing system is formed from a host device (host device) for issuing a control command to control a photographic operation and a slave device (subdevice) to perform an issued control command to control a photographic operation.

Every device that forms a network system of photographing, can operate as the master device or as a subdevice in each system. Traditionally, whether the device is to operate as the master device or subdevice to each logical system is determined independently for each system. For example, the device operates as a control device in a network system and as a slave device in the photographing system. The other device operates as a terminal in a network system, and as the master device in the photographing system.

The method has been proposed to control each device forming the network, given the attitude of the "master-slave". Japanese laid patent No. 2004-274625 discloses a photographing system comprising a main photographing device and subdevice photography, which performs a photographic operation on the basis of commands from the main unit photography. The device that issued the request first, or a device that is defined on the basis� predetermined priority order of the devices which issued the request at the same time, is used as the main photographing device.

Japanese laid patent application No. 2007-81811 offers a way to support the ad hoc network in which one of the connection terminals operates as a control terminal and communication terminals that are different from the control terminal, a common terminal. More precisely, the common terminal having the low level communication errors, is chosen as the terminal-candidate management. In case of absence of the control terminal common terminal, is selected as the terminal-candidate management, works as a new terminal management.

As described above, each device that forms a network system in the photographing, which will be discussed in the present invention, which are exposed to as relations of master-slave in a network system, and the relationship of "master-slave" in the system of photographing. For this reason, for example, if the control device in a network system disappeared, it is preferred to maintain the network, just given the attitude of the "master-slave" of the remaining devices in the network system. Similarly, when the master device of the system of photographing out of the network system is difficult to maintain a network system without regard to the relationship master-slave network in the system.

However, neither �bottom of lined Japanese patent applications No. 2004-274625 and 2007-81811 does not disclose or suggest the network system of photographing, which is formed of devices, which are exposed to two independent relations "master-slave". How appropriately to support the network in terms of two relations "master-slave" in the absence of the device for network management in a network system of photographing, which will be discussed in the present invention, traditionally unknown.

Summary of the INVENTION

According to one aspect, the present invention provides a device network management for network management, which owns many devices including a master device that transmits a control command to control a photographic operation and a slave device that receives a control command to control a photographic operation. The present invention also provides a method of controlling a device network management. According to another aspect, the present invention provides a communication device that can function as a device network management for network management, which owns many devices including a master device that transmits a control command to control a photographic operation and a slave device that receives a control command to control a photographic operation. The present invention is that�also provides a method of controlling the communication device.

According to the aspect of the present invention, is provided a device network management for network management, which owns many devices including a master device that transmits a control command to control a photographic operation and a slave device that receives a control command, comprising: an identification tool to identify the master device of the plurality of devices; a means of determining to determine from the set of devices in the device candidate which becomes the new device management network in case the network is disconnected from the network, wherein the means of determination is preferably determined by the master as the candidate; and the transmission medium for transmission to the at least device that is defined as the candidate by means of determination, the notification indicating that the device is defined as a device candidate.

According to another aspect of the present invention, is provided a communication device, comprising: first means for installation, to work as a unit network management network management or as a device belonging to the network managed by another device; a second installer to if device�istwo communication as a device, belonging to the network managed by a different device, to choose whether to work as a master device that transmits a control command to control a photographic operation, or as a slave device, which receives a control command; means for, if the communication device is installed first the installer to run as the device management network, to receive device information from a device belonging to a network under control, wherein the device information includes information indicating whether the device belonging to the network, as the master device; a means of determining for in case, if the communication device is installed first the installer to operate as the management device of the network to identify devices belonging to the network under control, the unit the candidate that runs as a new device network management in the case, if the communication device is disconnected from the network under management, with a means of determining preferably determines the device operating as the master device as a candidate on the basis of the device information; and a transmission medium for transmission to a device, a means of determining how the device candidate notification showing Thu� device defined as device-candidate.

According to an additional aspect of the present invention, provided is a method of device management network management network management, which owns many devices including a master device that transmits a control command to control a photographic operation and a slave device that receives a control command containing: the identification stage to identify the master device of the plurality of devices; an identification step for identifying from the set of devices in the device candidate which becomes the new device management network in case the network is disconnected from the network, wherein the master device is preferably determined as the candidate; and the step of transmitting to transmit at least the device that is defined as a device candidate at the stage of determination, the notification indicating that the device is defined as a device candidate.

According to another aspect of the present invention, provided is a method of controlling a communication device, comprising: the step of setting for setting whether to work as a unit network management network management or as a device belonging to the network managed by another device; the step of receiving in order that in case, if the communication device is installed on �Tapa installation to operate as the management device of the network, to receive device information from a device belonging to a network under control, wherein the device information includes information indicating whether the device belonging to the network, as the master device that transmits a control command to control a photographic operation, or as a slave device, which receives a control command; a step of determining in the case that the communication device is installed during the installation phase, to operate as the management device of the network to identify devices belonging to the network under control, the unit candidate which works as a new device network management in the case, if the communication device is disconnected from the network under management, while the device is operating as the master device, identified as device-candidate on the basis of the device information; and a step of transmitting to transmit at least the device that is defined as a device candidate at the stage of determination, the notification indicating that the device is defined as a device candidate.

Additional distinguishing features of the present invention will become apparent from the following description of exemplary embodiments with reference to the accompanying drawings.

BRIEF OP�SANYA DRAWINGS

Fig.1 is a block diagram showing an example functional diagram of the flash module, which is an example of a device capable of forming a network photographing system according to the embodiment of the present invention;

Fig.2 is a view schematically showing an example of the network system of the photographing according to the first embodiment of the present invention;

Fig.3 is a flowchart for explaining the operation of the device serving as the master device according to the first embodiment of the present invention;

Fig.4 is a flowchart for explaining the operation of the device serving as the slave device according to the first embodiment of the present invention;

Fig.5 is a flowchart for explaining the operation of the device serving as the device for network management according to the first embodiment of the present invention;

Fig.6 is a flowchart for explaining the operation of the device serving as a terminal according to the first embodiment of the present invention;

Fig.7 is a view schematically showing an example of the network system of photographing, according to the second embodiment of the present�of the invention; and

Fig.8 is a block diagram for explaining the operation of the device serving as the master device according to a second embodiment of the present invention;

DESCRIPTION of embodiments of

Exemplary embodiments of the present invention will hereinafter be described in detail in accordance with the accompanying drawings.

The first implementation option

In a network system of photographing, according to this embodiment of the leading flash module, which issues a control command to control a photographic operation (a control command to control the emission of light), and led flash module, which takes the issued control command to control the emission of light, are connected via a wireless network in order to perform photographing with many outbreaks. Therefore, the network system of photographing can be considered comprising two internal logical system: network system formed of a plurality of modules flash, and photographing system, which controls the emission of light of a plurality of flash modules.

Each module flash functions as a control device or a terminal in a network system, and functions as a master device that issues a command control�t, to control the emission of light, or a slave device that emits light in accordance with the control command to control the emission of light in the photographing system. However, the device that generates the network device of photographing, not limited to the flash module. Can be used an arbitrary device capable together to perform operations related to photography, for example, the photographing device or an electrically operated device.

In this embodiment of the network system is constructed by using wireless communication. However, a wired connection is also applicable. In addition, is applicable to arbitrary network Protocol is able to dynamically change the device that forms a network system.

The terms used in each of the embodiments, will be determined as set forth below.

"Device management" among the devices that form the network system, is a device that manages itself and other devices ("terminals"), which builds the network. In a network system, there is one device management.

"Terminal" is a device that differs from the control device, and forms a network system controlled by a control device.

"The master" among the devices, which� form the photographing system in a network system, is a device capable of issuing a control command (control command to control the emission of light in this variant implementation) to other devices included in the photographing system. In the photographing system may be many leading devices.

"Slave" among the devices forming the system of photographing in a network system, is a device that receives a control command issued by the master device, and executes the operation (light emission in this embodiment) corresponding to the control command.

Fig.1 is a block diagram showing an example functional diagram of the flash module 101, which is an example of a device capable of forming a network photographing system according to this variant implementation;

General Manager Central processing unit (CPU, CPU) 102 includes a permanent storage device (ROM, ROM) and random access memory (RAM, RAM), and deploys and executes in RAM, the control program stored in the ROM, thereby controlling the operation of the module 101 of the flash.

Scheme 103 wireless wirelessly communicates with another module flash via the antenna 105 under the control of the Manager of the CPU 102.

Scheme 106 power management�ing power from an attached battery (primary battery or secondary battery) to each part of the module 101 of the flash. Scheme 106 power supply also monitors the battery voltage and alerts the chief Executive of the CPU 102 on information about the battery level.

Scheme 110 control the emission of light includes a portion of emitting light such as a xenon tube, and controls the timing of light emission, the amount of radiation of light, the time of light emission and the like related to the flash module 101, under control of General Manager of the CPU 102.

Diagram display 104 includes, for example, a small liquid crystal panel, and displays various kinds of information about the module 101 flash under the control of the Manager of the CPU 102. Examples of information to display in the diagram 104 of the display are the mode (master or slave) of the flash module 101, information about the battery charge level received from the circuit 106 to the power supply, and information about the reception of wireless communications.

Interface camera 112 is a communication interface with the camera 301. The connector 111 is coupled, for example, with the connector 305 of the guide frame camera 301 to mechanically and electrically connect the module 101 of the flash and the camera 301.

Button 107 power is used to turn on/off the power supply from the circuit 106 to the power supply to each part of the module 101 of the flash.

Button 108 selection Fung�tion is used, to set the operating mode of the module 101 of the flash in a mode, leading to the fact that the flash module is functioning as the master device for issuing control commands to control the emission of light, or a mode, leading to the fact that the flash module operates as a slave device to emit light based on the control command to control the emission of light received from the master. It should be noted that setting (switching) mode may be made when the button 107 power includes the power supply. For example, the flash module can be configured to set the operation mode selected with the button 108 on the function when the button 107 power included the power supply.

Button 109 of the input symbol includes, for example, the direction buttons and enter button to enter characters using the chart display 104. Button 109 input symbol is used, for example, to enter the network ID to which you want to join.

The device 113 storing, for example, nonvolatile semiconductor memory, it is a rewritable manner stores a program that should be executed as General superintendent of the CPU 102, various kinds of information of settings that are specific to the device information, etc.

On the other hand, managing the CPU 302 of the camera 301 comprises �you ROM and RAM, and deploys and executes in RAM management program, stored in the ROM, thereby controlling the operation of the camera 301.

The camera 301 is also provided with a button 303 instructions of preparation for photographing and a button 304 for instructions photography. Managing the CPU 302 may determine the state of these buttons. It should be noted that the switch that must be turned on with half or full operations pressing the switch trigger, may actually serve as a button 303 instructions of preparation for photographing and buttons 304 photographing instruction.

Interface 306 flash is a communication interface with the flash module 101, and is connected to an electrical contact of the connector 305 of the guide frame. The connector 305 of the guide frame is used to removable way to attach an accessory, such as a flash module 101.

Managing the CPU 302 may determine via the electrical contact of the connector 305 of the guide frame that the flash module 101 is attached to the connector 305 of the guide frame. During that time, when determined by the connection of the flash module 101, the chief Executive of the CPU 102 of the flash module 101 is notified of the States of the button 303 instructions of preparation for photographing and buttons 304 photographing instruction via the control CPU 302 of the camera.

It should be noted that Fig.1 mainly illustrates environments� camera component components 301, necessary to join the flash module 101 and instructing module 101 flash to emit light.

Fig.2 is a view schematically showing an example of a network photographing system according to this variant implementation. In this embodiment, the implementation of the network photographing system is formed of four modules 101, 202, 204 and 205 of the flash.

The flash module 101 is installed to function as the master device by means of a button 108 on the function. The flash module 101 also will be entered as the first reference master. The flash module 101 is attached to the camera 301.

As shown in Fig.2, the flash module 101 generates a wireless network 201. That is, the flash module 101 also functions as a device management network system.

Each of the modules 204 and 205 flash installed to function as a slave device by means of a button 108 on the function. The modules 204 and 205 of the flash will also be indicated by reference as the first and second slave devices.

The module 202 flash installed to function as the master device by means of a button 108 on the function. The module 202 flash will be indicated by reference as the second master device. The module 202 of the flash attached to the camera 203. It should be noted that 206 reference refers to the object.

As described above, in at�m variant of implementation from the point of view of the network system, the flash module 101 serves as the control device, and each of the modules 202, 204 and 205 of the outbreak serves as a terminal.

On the other hand, from the point of view of the photographing system, each of the modules 101 and 202 flash serves as the master device, and each of the modules 204 and 205 of the outbreak serves as a slave.

The photographing operation, implemented by a network photographing system shown in Fig.2, will be described below. For convenience of description and ease of understanding, assume that all modules emit flash light during the photographing and that the module flash attached to the camera, whose instructions button of preparation for photographing is pressed, performs a preliminary emission of light.

When the General Manager of the CPU module 102 101 flash (first master) informed about the state of the button 303 instructions of preparation for photographing of the camera 301, the chief Executive of the CPU 102 notifies the scheme 103 wireless status button 303 instructions of preparation for photographing. To perform the preliminary light emission, the chief Executive of the CPU 102 notifies the circuit 110 controls the light emission of light emission, and the circuit 110 control the emission of light causes light emitting part emits light.

On the other hand, upon receipt of notification from the General Manager the CPU 102, the circuit 103 wireless LAN�th connection transmits the network packet to the notice of preparation for photographing, includes information showing that he was issued a manual on the preparation for photographing. For example, the circuit 103 wireless communication may transmit the packet of the notice of preparation for photographing all of the terminals forming the network system through a broadcast transmission network service notice of preparation for photographing. Alternatively, the circuit 103 wireless connectivity can make the package of the notice of preparation for photographing will include the address of each terminal or information indicating that the packet is addressed to the terminal.

After that, when the control CPU 302 camera notified about the state of the button 304 instruction of photographing of the camera 301, the chief Executive of the CPU 102 of the flash module 101 notifies the scheme 103 wireless status button 304 instructions photography. To perform light emission for photographing, chief Executive of the CPU 102 notifies the circuit 110 controls the light emission of light radiation, to make the circuit 110 controls the light emission to emit light.

In addition, the circuit 103 transmits wireless to the network the packet instructions about photography, including information showing that was issued to manual photography.

It should be noted that actually managing �P camera 302 notifies the General Manager of the CPU module 102 101 flash is not only simple instructions about the preparation for the photographing or photographing instruction, but also about the management information, such as parameters to control the emission of light during light emission for photographing. A packet that must be transmitted to each slave may also include parameters to control the emission of light for a slave device. However, the known methods are applicable to transactions relating to the definition and distribution of control parameters, and their description will be omitted without interference for understanding the present invention.

It should be noted that the module 202 of the flash, which is another flagship device, also works in a similar way in accordance with the activated state of the button 303 instructions of preparation for photographing and buttons 304 instructions photographing camera 203.

On the other hand, the circuit 103 of each of the wireless communication module 204 and 205 flash serving as slave devices via the antenna 105 service notice of preparation for the photography package and photographing instruction transmitted from the module 101 or 202 flash serving as the master device. Scheme 103 wireless interprets the contents of the received packets and notifies the General Manager, the CPU 102 of the preliminary light emission and the emission of light for photographing. In accordance with these alerts, the main control�s CPU 102 notifies the circuit 110 controls the light emission of light radiation, and circuit 110 control the emission of light causes light emitting part emits light.

As described above, in the network system of photographing, according to this variant implementation, the module 101 or 202 flash, functioning as the master device, transmits to the network a manual of preparation for photographing or photographing instruction as a package. The modules 204 and 205 of the outbreak, each functioning as a slave device, accepting packages, interpret the contents of the package and control the emission of light. Photographing with many outbreaks, thus, is carried out by combining the modules 101, 204 and 205 flash or modules 202, 204 and 205 of the flash.

Method of network construction will be explained below.

Job master

Fig.3 is a flowchart for explaining the operation of the master device.

Suppose that when the flash module is installed to function as the master device during power-up, the network is automatically constructed. For example, the network may be implemented as part of the initialization process at power-up. Of course, the network can be built at any time other than the time of power on.

If the flash module 101 is installed to function as the master device during power-up, the main control�flawsi the CPU 102 sets the ID of the network system which needs to be built (step S403). The network ID can be either predefined or automatically generated as General superintendent of the CPU 102 on the basis of arbitrary information, such as information about the date/time requested in the module 101 of the flash. Alternatively, the user may be prompted to install the network ID using the button 109 of the input character.

Further, the chief Executive of the CPU 102 causes the circuit 103 selects the wireless channel to build a network of used radio channels, using the network identifier set in step S403 (step S404). At this point, the installation ID and channel of the network system, which needs to be built, was completed.

In this state, the chief Executive of the CPU 102 broadcasts to set the radio channel through the circuit 103 wireless communication, a request to confirm whether there is a control device having the same network identifier (step S411).

If the control device having the same network identifier is not present on the set radio channel (YES in step S412), the flash module 101 functions as a control device of the network system.

That is, at this point, the flash module 101 functions as a control device and a master device of the network system. The flash module 101, which �tal device management network system enters the standby mode of receiving the request for joining the network system (step S405), and accepts the request to join or waits until the control unit will exit the network (step S406 or step S610 (Fig.5)).

Upon receipt of the request for accession by the General Manager, the CPU 102 determines whether the network ID contained in the request for accession, identical to the network ID set by themselves (step S407). If the network ID is different, the General Manager of the CPU 102 rejects the request for joining the network system (step S410). Method request for accession is not particularly limited. A notice of rejection may be transmitted to the terminal of the transmission source of the request for accession through the circuit 103 wireless. Alternatively, the General Manager, the CPU may simply refrain from answering the request for accession.

When determining that the network identifier contained in the request for accession, identical to the network ID set by themselves, the chief Executive of the CPU 102 confirms whether the number of terminals attached to the network, a predefined upper limit (step S408).

If the number of terminals corresponding to the upper limit, already joined a network system, the chief Executive of the CPU 102 rejects the connection (step S410) and processing�em returns to step S406.

On the other hand, if the accession number of terminals is less than the upper limit, the chief Executive of the CPU 102 allows the source terminal sending the request to join, join a network system (step S409). More precisely, the General Manager, the CPU 102 notifies the terminal of the transmission source of the request accession on the resolution on the accession through the circuit 103 wireless communication by specifying the address of the terminal. The address information of the terminal of the transmission source contained in the request for accession. The operation of the device management network will now be described below, as shown in Fig.5.

It should be noted that if the presence of the control device having the same network ID, confirmed in step S412, the chief Executive of the CPU 102 can change the radio channel and perform the processing of step S412 again. In this case, if the control device having the same network ID that exists in the radio link established for the first time, the flash module is attached to a network system, a terminal, even if it is set to function as the master device.

For this purpose the General Manager, the CPU 102 transmits a request of accession containing the network identifier set in step S403, the network through the circuit 103 wireless communication (step S505).

General Manager CPU 102 UTS�eivet, while resolution notification of accession is received in response to a request of joining or until a predefined time (steps S506 and S507). Upon receipt of notification of the resolution of annexation from the control device before the expiration of a predefined time chief Executive of the CPU 102 recognizes that joining a network system confirmed and works as the terminal (step S510). The operation of the terminal will be described below, as shown in Fig.6.

If the predetermined time has elapsed without receiving notice of the resolution of annexation (or upon receipt of notice of rejection of accession, the chief Executive of the CPU 102 recognizes that joining a network system is not allowed, and shows notification about the refusal of joining the scheme display 104 (step S509). Then chief Executive of the CPU 102 attempts to join another network system. This processing is the same as the operation of the flash module that is installed to function as a slave device when it joins a network system, and will be described below, as shown in Fig.4.

When another module 202 flash installed to function as the master device and will turn on after the flash module 101 has built a network system, processing module 202 flash goes from step S412 to this� S505. Therefore, the module 202 of the flash operates as a terminal in a network system. However it still works as the master device in the photographing system.

Work slave

The module flash installed to function as a slave device, will be described below, as shown in the block diagram of Fig.4. Description will be made assuming that the processing of connection in a network system, performed at the time of power-up. However, processing can be performed at arbitrary time, for example, in accordance with the user manual.

The module 204 of the flash, which is a typical representative of the slave devices will be described here.

If the module 204 flash installed to function as a slave device during power-up, the chief Executive of the CPU 102 scans the channels using the schema 103 wireless communications, and searches for the network IDs of existing network systems. Chief Executive of the CPU 102 sets the ID of the network system to which you must adhere, of the found network IDs (step S503).

The network ID can either be automatically installed on one of the found network ID (e.g. the ID of the network system having the highest reception level) or user selected from predstavlennog� list. Alternatively, the user may be forced to directly input the network ID using the button 109 of the input symbol. In this case, it is assumed that the user knows the network ID of the network system.

Next, the General Manager, the CPU 102 sets in the schema 103 wireless radio channel on which there is a network system having the network identifier set in step S403 (step S504). At this point, the installation ID and channel of the network system to be connected is completed.

General Manager, the CPU 102 causes the circuit 103 wireless broadcasts the request packet of accession containing the set network identifier, the network module 101 flash serving as a device management network system (step S505).

Chief Executive of the CPU 102 monitors until resolution notification of accession is received in response to a request of joining or until a predefined time (steps S506 and S507). Upon receipt of notification of the resolution of annexation from the control device before the expiration of a predefined time chief Executive of the CPU 102 detects connection to the network system (step S510).

Subsequent processing is equivalent to the slave device in the system of photographing. That is the main driving�th CPU 102 waits for reception of control commands, to control the emission of light from the master device (module 101 or 202 flash) (step S511). Upon receipt of the packet containing the control instruction to control the emission of light, the circuit 103 wireless notifies the General Manager, the CPU 102 of the preliminary light emission and the emission of light for photographing. In accordance with these alerts, the chief Executive of the CPU 102 notifies the circuit 110 controls the light emission of light emission, and the circuit 110 control the emission of light causes light emitting part emits light (step S512).

Chief Executive of the CPU 102 waits for the charging circuit 110 control the emission of light (step S513). Upon detecting the completion of charging the General Manager, the CPU 102 transmits a notification of completion of charging to the master device (the module 101 or 202 flash) through the circuit 103 wireless communication (step S514).

On the other hand, if you have not received notification of the resolution of acceding to the expiration of the predetermined time, despite the dissemination of the request for joining the network (YES in step S507), the chief Executive of the CPU 102 recognizes that the accession is not allowed, and shows notification about the refusal of joining the scheme display 104 (step S509). It should be noted that the request adherence can be re-transmitted after a predefined�wow time.

Chief Executive of the CPU 102 returns the processing to step S503, in order to attempt to join a network system having a different network identifier. Alternatively, the General Manager, the CPU 102 may set the same network ID and re-attempt to join.

As described above, in the network system of photographing, is formed of four modules 101, 202, 204 and 205 of the flash, as shown in Fig.2, the flash modules operate as follows.

Network systemSystem photographing
Module 101 flash
The module 202 flash
Module 204 flash
Module 205 flash
device management
terminal
terminal
terminal
the master
the master
slave
slave

The operation of the device management network

The operation of the device management network that the flash module 101 serving as a control device and the master device according to this variant implementation, will be described below, as shown in the block diagram of Fig.5.

In step S601 chief Executive of the CPU module 102 101 flash Suprasil�em device information of the terminal, who has recently joined a network system constructed by the main Manager of the CPU.

Terminal information requested here includes at least the mode (master or slave) terminal. General Manager the CPU 102 may also request specific information of the terminal, for example, the battery level, the model number to identify the model.

If the mode of the terminal is a "master" (as in the case of module 202 flash in the example of Fig. 2), the chief Executive of the CPU 102 detects the terminal device as a candidate, which is to function as the control device after the flash module 101 is offline. More precisely, the chief Executive of the CPU 102, the control device preselects the terminal, which should take over the management of the network system and to maintain it after the flash module 101 is offline for any reason.

In a network system of photographing this embodiment of the device management network system manages and maintains information such as model, modes of operation (master or slave) and the total number of terminals. Information showing, for example, the number of slaves who join the network can be obtained�and from this terminal. This is useful for the master device in the system of photographing. Therefore, in this embodiment, the implementation module flash installed to function as the master device and is used as a control device that manages the network system as described above.

Therefore, the terminal serving as the master device, preferably is selected as a terminal (device-PhD in management), which shall assume the functions of the control device, when the current control device leaves the network system.

If the master is found in step S602, the chief Executive of the CPU 102 checks whether there is already a device-candidate management (step S603). Can the terminal device which candidate management, be stored, for example, in Association with the device information of the terminal stored in the device 113 storing. General Manager the CPU 102 may determine the presence/absence of the device for candidate control by appealing to the device 113 storing.

After the withdrawal in step S603 that there is no device-candidate management, chief Executive, the CPU 102 sets the master device, which recently joined as a device-the candidate having the highest priority order (step S606).

Main� managing the CPU 102 adds the device information, requested in step S601 in Association with information indicating a device-candidate management and its order of priority (highest priority), thereby updating the list of device information in the device 113 storing (step S607).

On the other hand, after the withdrawal in step S603 that the device-candidate management already exists, the chief Executive of the CPU 102 sets the master device, which recently joined as a control device, and also sets the priority order (step S604). More precisely, the chief Executive of the CPU 102 assigns an order of priority that the device is set in the higher rank than the slaves, and the lowest among the leading devices from an existing device-management candidates.

Therefore, if the existing device-management candidates are slaves, chief Executive of the CPU 102 sets the master device, which recently joined as a device-the candidate having the highest priority order. It should be noted that in this case the General Manager, the CPU 102 may re-apply to the device 113 storing and remove the attribute "device-candidate management terminals, which are slave devices that are installed as device-management candidates. This is due t�, what the master is already enshrined as a device-candidate management, and there is little need for the installation of the slave devices as candidate management.

Chief Executive of the CPU 102 adds the device information requested in step S601 in Association with information indicating a device-candidate management and its priority order, thereby updating the list of device information in the device 113 storing (step S607). Chief Executive of the CPU 102 also updates the device information of terminals, which are slave devices that are installed as device-management candidates as needed.

When determining in step S602 that the terminal, which has recently joined, is a slave, the chief Executive of the CPU 102 confirms in step S621, is there already a device-candidate management. If there is no device-candidate management, chief Executive, the CPU 102 sets the slaves as device-management candidates having higher priority order, in step S608.

Chief Executive of the CPU 102 adds the device information requested in step S601 in Association with information indicating a device-candidate management and its order of priority (highest priority), thereby updating the list of information�AI about the device in the device 113 storing (step S607).

On the other hand, when determining in the steps S602 and S621 that the terminal has joined is a slave, and there is a device-candidate management, chief Executive, the CPU 102 adds the device information requested in step S601, thus renewing the list information about the device in the device 113 storing (step S607).

As described above, when the terminal joins the network system is added, the flash module 101 serving as a control unit, updates the information about the network device. General Manager CPU 102 broadcasts the updated information about the network device in a network system. This allows each terminal joining a network system, to recognize the terminal, planned to be the next device management.

The manner described above each time the terminal is joined to a network system constructed by the module 101 of the flash, the flash module 101 that serves as the device's network management system queries the information about the terminal device and updates the device information. In addition, the module 101 selects the flash device candidate management and assigns a priority order.

As described above, if joined at least one terminal, a terminal that should take care of make�TWA control network system, defined. This provides effective support network.

The flash module 101 may withdraw from the network system for any reason, such as battery replacement or operation of the power module 101 of the outbreak, the lack of battery voltage or the movement of an attached camera 301. Consequently, the chief Executive of the CPU 102 of the flash module 101 monitors the occurrence of a predefined event (output events), which leads to the exit from the network system.

In determining the occurrence of an event is output in step S610 chief Executive of the CPU module 102 101 flash broadcasts in the network system list the device information including information indicating that the flash module out of the network system. This list of information about the device serves as a notification of withdrawal. General Manager the CPU 102 may, for example, to associate the information about the output with information about the module 101 flash in the list of the device information and pass it.

If the event output is not detected in step S610, the chief Executive of the CPU 102 returns the processing to step S406 (Fig.3) to confirm whether a new request for connection.

In step S611, the list of the device information is distributed, instead of simply to provide information showing the output. This is because there may be a terminal that could not receive a list of information about your device for any reason, at the time, immediately preceding the distribution. Dissemination of information about the device at the time of exit permits each terminal is more reliable to take a list of device information.

The terminal operation

The operation of the terminal will be described below, as shown in the block diagram of Fig.6. Since the block diagram of Fig.6 illustrates processing after Fig.3, description will be made assuming that the terminal is set to master (module 202 flash). However, the work to be described here, is also performed by the slave device that works as a terminal, as will be described below.

In step S702 chief Executive of the CPU 102 waits for reception of a list of device information from the device management module 101 flash).

When listing information about the unit General Manager the CPU 102 decodes the information about the device in the list and confirms whether the flash module (module 202 flash) as a device-candidate management, and if so, what order of priority (step S704).

Chief Executive of the CPU 102 also confirms whether the received list information about the device information about the outlet of the control device (whether a list of device information notification output) (step S705).

If the received list information about the device is not notice�m of the outlet of the control device, chief Executive of the CPU 102 returns to the wait list of the device information (step S702).

On the other hand, if the received list information about the device is the notification of withdrawal of the control device, the General Manager, the CPU 102 determines whether the priority order, confirmed in step S704, the highest (step S706). If the priority order is higher, the other the master should re-start work as a control device. Consequently, the chief Executive of the CPU 102 returns to the wait list of the device information (step S702).

However, if the highest priority order is set for the module 202 flash, flash module starts operating as the management device of the network system (step S707). More precisely, the General Manager, the CPU 102 changes the device information module 202 flash in the list of the device information by removing information about the device-the candidate manage and link information showing that this is a valid device management.

Further, since the module 202 of the flash light control device, the chief Executive of the CPU 102 increases the priority order of each device candidate control list information about the device per unit, thereby creating an updated list info�rmacie about the device (step S709).

General Manager CPU 102 broadcasts the updated list of information about the device in the network to distribute it to the terminals (step S710). After that chief Executive of the CPU 102 performs the processing at step S406 (Fig.3).

It should be noted that the processing shown in Fig.6 represents the operation of the terminal and is not only the master but also by the slave as long as it works as a terminal. As described relative to step S608 of Fig.5, when the device management network system is the only master device, the slave device is the candidate having the highest priority order. Upon receipt of the notification of withdrawal in this state, the slave device starts operating as the management device.

This provides support for network systems and allows the remainder to a control unit (=master) return. It should be noted that another master device may, of course, re-join a network system.

If the master device joins a network system at a time as a slave device operates as a control device, the master device can be changed to the control unit. More precisely, when determining that the newly connected terminal is �traveling device (step S602), General Manager the CPU 102 of the slave device generates a list of information about the device that serves not as a notification of withdrawal, and how notification of the transition.

More precisely, the chief Executive of the CPU 102 associates the information indicating that the power control device will be transferred with information about the device (assuming that the module 204 flash), and also links the higher the priority order of the device for candidate control information about the device newly connected to the master. General Manager CPU 102 broadcasts the list of information about the device and begins work as a terminal.

On the other hand, when receiving information about the device, serving as an alert, the chief Executive of the CPU 102 recently joined the master device recognizes that it needs to function as the control device, and performs processing from step S707.

As described above, the devices that form the network system of photographing during operation in accordance with the relation master-slave network in the system and in which the photographing system, the master device in the photographing system is preferably installed in the device management network system.

The number of slaves in the system of photographing easy� increases/decreases compared to leading devices. Therefore, for example, if the slave is in the photographing system is a device management network system, the device management network system easily becomes missing. However, when the master device is installed in the device management network system is easy to maintain.

In addition, even if the master device and the serving device management, resigned from the network system, the remaining master device is preferably installed in the following device control. Therefore, the user can remove or add the slave, not being aware of the support network system.

In addition, when a network system is the master device, the slave device operates as a control device to maintain the network system. Since the top of the device can return to an online system, there is no need to rebuild the network.

The second implementation option

In the first variant implementation of the device management network system goes after the broadcast of the notification of withdrawal.

In fact, it may be impossible to broadcast a notification of withdrawal, because, for example, the time since the discovery of events output to the actual output is too low, or the output of the implementation�is due, not detectable as an output event. In addition, the device for which you installed the highest priority order, may be unable to detect a notification of withdrawal for any reason.

As a distinctive feature of this variant implementation, even when the control device is out of network system of the non-broadcasting of the notification of withdrawal, the transition of the control device can be performed.

It should be noted that a description of the contents explained in the first variant of implementation, will be omitted or only briefly.

Fig.7 illustrates a state in which the flash module 101, which forms a network system in the state shown in Fig.2, suddenly came out of the network system. That is, in the network system 801 does not exist in the device management.

The third slave device 802 is going to attempt to join a network system 801. The third slave device 802 attempts to join a network system 801 without the control device in accordance with the above procedure of Fig.4.

The module 202 of the flash, which is a leading device that operates as a terminal of the network system 801 and waits for the reception of the list of the device information (step S702 (Fig.6)) in the state of Fig.7.

To join a network system 801 in this state, the main �sending CPU 102 of the third slave device 802 distributes the request to join a network system 801 via a broadcast transmission in step S505 of Fig.4.

The request for accession circulated from the third slave device 802, is a broadcast packet and therefore it can be adopted by all devices, including the module 202 of the flash, which is a leading device existing in a network system 801.

The work module 202 flash will be described, as shown in Fig.8 which is a flowchart illustrating the operation of the terminal in accordance with this variant implementation. It should be noted that the same number of stages as in Fig.6 indicate the stages of implementation of the same processes in Fig.8.

Waiting admission list of device information the General Manager of the CPU module 102 202 flash determines whether the request for connection (step S910). Upon receipt of the request for accession by the General Manager, the CPU 102 determines whether a network identifier contained in a received request accession, identical to the network identifier of the network system 801 (whether the request is joining the correct one) (step S911).

When determining that the received a valid request for accession, the chief Executive of the CPU 102 advances the processing to step S912 to track the spread of the response (approved accession or notification of the rejection of the merger) from the control device (module 101 flash), which� must exist in the network system 801.

If not, was circulated the response from the control device, even after expiration of predetermined time from the receipt of the request for accession, the chief Executive of the CPU module 102 202 flash concludes that in a network system 801 does not exist in the device management.

Executing the processing at step S706. Therefore, devices from remaining in the network system 801, a device that has the highest priority order in the list the device information when the control device was released, begins work as a new device management network system 801.

As described above, according to this variant implementation, the output of the control device is determined on the basis of lack of response to the request for accession, and one of the devices in the network system can start as a new device management network system. Therefore, it is possible to maintain the network system, even when, for example, the device management network system came without the dissemination of notice of withdrawal, in addition to the effects of the first variant implementation.

The present invention was described above based on preferred embodiments. The present invention is not limited to these specific choices of implementation and also contains various forms, not �ihoda from the scope of the present invention. The above-described variants of the implementation can be partially combined as needed.

Other implementation options

In the first variant implementation of the device management network system sets the priority order of the device for candidate control in the procedure of attachment to a network system. However, the order of priority may be set in accordance with another condition. For example, the order of priority may be set for the leading devices in descending order of level of battery charge.

In the above embodiments, the system, including the camera and flash modules, has been described as an example. However, the present invention is not always limited to this system. For example, the present invention is also applicable to the system of joint commissioning, in which a plurality of chambers perform an operation start together. This system of joint commissioning is generated from the leading camera, which transmits an instruction of start other cameras, and a slave camera that accepts an instruction of starting from leading camera. In this case, the attitude control device and the terminal supports network. The relation of master and slave supports the photographing system. The present invention is also applicable to this system.

Aspects of the present invention also mo�ut to be carried out by a computer system or apparatus (or devices, such as a Central processing unit (CPU, CPU) or microprocessor (MP, MPU)) that reads out and executes a program recorded on a memory device, to perform the functions described above(s) of option(s) implementation, and the method, the steps of which are performed by a computer system or device, for example, by reading and executing the program recorded on a memory device, to perform the functions described above(s) of option(s) implementation. For this purpose, the program comes to your computer, for example, via a network or a storage medium of various types serving as the memory device (e.g., computer-readable media).

Although the present invention has been described with reference to exemplary embodiments of the implementation, it should be clear that the invention is not limited to the disclosed exemplary embodiments of the implementation. Scope of the subsequent claims must comply with the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

1. Device network management for network management, which owns many devices including a master device that transmits a control command to control a photographic operation and a slave device that receives the command control�, contains:
the means of identification to identify the master device of the plurality of devices;
means of determination for determining of the plurality of devices in the device candidate which becomes the new device network management in the case when the network is disconnected from the network, wherein said means for determining is preferably determined by the master as the candidate; and
the transmission medium for transmission to the at least device that is defined as a device candidate mentioned by means of determination, the notification indicating that the device is defined as a device candidate.

2. The device according to claim 1, wherein, if none of the plurality of devices belonging to the network, is not a master device, the said means for determining determines one of the slaves as your candidate.

3. The device according to claim 1, in which
the said means for determining determines the plurality of devices of candidate
the network further comprises a creation tool to create a list showing the order of priority of each of the plurality of devices candidates, and
the said means for transmitting transmits the list of the plurality of devices candidates.

4. The device according to claim 3, in which case, �when a new device is connected to the network, the said means of determining device again determines the candidate and the tool updates the list.

5. The device according to claim 1, wherein the said means for transmitting transmits a notification to the operation of detecting the event, wherein the operation event detection is designed to detect the events to disable the device network management from network.

6. The device according to claim 1, wherein the said means for transmitting transmits the notification in accordance with the definition of the device-the candidate referred to by means of determining.

7. The device according to claim 1, wherein the said means for transmitting transmits the notification in accordance with the detected event to disable the device network management from network.

8. The device according to claim 1, in which the network can operate as a master device and a slave device during operation as the device for network management.

9. The device according to claim 1, wherein the master device is connected to the camera module directly or via a flash module and transmits a control command in accordance with the operation start-up by the camera module.

10. The device according to claim 9, in which the slave is connected to the flash module and the control command is a command for prescribing the flash module to emit light.

11. Make�tvo according to claim 9, in which the slave is connected to the camera module directly or via a flash module and the control command is the command instructions to the camera module to perform a photographic operation.

12. A communication device, comprising:
the first tool installation to install, to work as the device network management network management or as a device belonging to the network managed by another device;
the second installer to ensure that in the case where the communication device operates as a device belonging to the network managed by another device, to choose whether to work as a master device that transmits a control command to control a photographic operation, or as a slave device, which receives a control command;
the pump in order that in case when the communication device is installed first the installer to work as the device management network, to receive device information from a device belonging to a network under control, wherein the device information includes information indicating whether the device belonging to the network as a master device;
a means of determining that in the case that the communication device is installed first media�your installation to work as a device management network to identify devices belonging to the network under control, the unit the candidate that runs as a new device for network management in the case where the communication device is disconnected from the network under management, wherein said means of determining preferably determines the device operating as the master device, as the device candidate on the basis of the device information; and
the transmission medium for transmission to the device specified as the device candidate mentioned by means of determination, notification, indicating that the device is defined as a device candidate.

13. Method device management network management network management, which owns many devices including a master device that transmits a control command to control a photographic operation and a slave device that receives a control command that contains:
the stage of identification to identify the master device of the plurality of devices;
identification phase for the determination of the plurality of devices in the device candidate which becomes the new device network management in the case when the network is disconnected from the network, thus leading �disorder preferably is determined as the candidate; and
the step of transmitting to transmit at least the device that is defined as a device candidate at the stage of determination, the notification indicating that the device is defined as a device candidate.

14. A method of controlling a communication device, comprising:
installation step for setting whether to work as a device network management network management or as a device belonging to the network managed by another device;
the step of receiving in order that in case when the communication device is installed during the installation phase, to work as the device management network, to receive device information from a device belonging to a network under control, wherein the device information includes information indicating whether the device belonging to the network, as the master device sending a control command to control a photographic operation, or as a slave device, which receives a control command;
the definition stage in order that in case when the communication device is installed on the stage of the installation to operate as a device management network to identify devices belonging to the network under control, the unit the candidate that runs as a new device control� network in the event that when the communication device is disconnected from the network under management, with the device operating as the master device is defined as a device candidate on the basis of the device information; and
the step of transmitting to transmit at least the device that is defined as a device candidate at the stage of determination, the notification indicating that the device is defined as a device candidate.

15. A computer-readable recording medium storing a program which instructs the computer to function as the device for network management according to claim 1.

16. A computer-readable recording medium storing a program which instructs the computer to function as the communication device according to claim 12.



 

Same patents:

FIELD: physics.

SUBSTANCE: disclosed is an image capturing device which captures a plurality of primary images in continuous capturing mode. The image capturing device includes an image capturing means configured to capture a plurality of auxiliary images during the interval between capturing a primary image and capturing the next primary image. The device also comprises a means of determining a primary object configured to determine a primary object. Furthermore, the device comprises first and second object tracking processing means. The first object tracking processing means is configured to detect an area where an object identical to a primary object exists, from a first area which is part of a first auxiliary image, from a plurality of auxiliary images.

EFFECT: high accuracy of the object tracking function of an image capturing device during continuous capture owing to elimination of time delay between detection of an object and obtaining focus information at the position of the object.

10 cl, 12 dwg

FIELD: physics.

SUBSTANCE: this device comprises electrical drive of remote control, motion transfer system, actuators and at least one video observation chamber. Besides, two electrical drives located at operator room transmit rotation by shafts through radiation protection wall to research "hot" chamber. Note here that first motor drives via worm gearing the remote control device. Second motor displaces flat rack with video camera in circle in plane perpendicular to horizon.

EFFECT: expanded range of video observation.

4 cl, 1 dwg

FIELD: physics, video.

SUBSTANCE: invention relates to transmission of packetised video data. The camera system comprises a plurality of camera devices and a relay device, which includes: a receiving unit having input ports, each connected to corresponding camera devices for receiving packetised video data from the corresponding one camera from the plurality of camera devices, wherein each port has an address; an output means having at least one port connected to a destination device and having an output port address; a control unit for determining sampled packetised video data from a specific one of the plurality of camera devices based on a destination address included in said packetised video data, wherein the control unit has a switching table for communication of the input port address with the output port address; and a switching unit which responds to user input for sampled change of the input port address, associated with the determined output port address, or for changing the output port address associated with the input port address, and for sampling and outputting at the associated port sampled packetised video data based on frames.

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14 cl, 12 dwg, 4 tbl

FIELD: physics, photography.

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19 cl, 4 tbl, 97 dwg

FIELD: physics, video.

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18 cl, 20 dwg

FIELD: physics.

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19 cl, 79 dwg, 4 tbl

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17 cl, 24 dwg, 1 tbl

FIELD: physics, photography.

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13 cl, 25 dwg

FIELD: physics, video.

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8 cl, 15 dwg

FIELD: physics.

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4 dwg

FIELD: physics, video.

SUBSTANCE: invention relates to transmission of packetised video data. The camera system comprises a plurality of camera devices and a relay device, which includes: a receiving unit having input ports, each connected to corresponding camera devices for receiving packetised video data from the corresponding one camera from the plurality of camera devices, wherein each port has an address; an output means having at least one port connected to a destination device and having an output port address; a control unit for determining sampled packetised video data from a specific one of the plurality of camera devices based on a destination address included in said packetised video data, wherein the control unit has a switching table for communication of the input port address with the output port address; and a switching unit which responds to user input for sampled change of the input port address, associated with the determined output port address, or for changing the output port address associated with the input port address, and for sampling and outputting at the associated port sampled packetised video data based on frames.

EFFECT: simple interconnection using IP and facilitating system modification.

14 cl, 12 dwg, 4 tbl

FIELD: radio engineering, communication.

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16 cl, 24 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to communication technologies, and namely to a data configuration method and device. A data configuration method involves determination of a data configuration method in the form of a data self-configuration method or a conventional data configuration method by means of a control method, and if the data self-configuration method is chosen as the data configuration method, and before a network element gets an access to a network, access shall be provided by means of the control module to the first interface between the control module and the controlled module to send to the controlled module a command to download configuration data for the network element from the item designated by the control module; and access shall be provided by means of the control module to the second interface between the control module and the controlled module to send to the controlled module a command to create a file of complete configuration data for the network element in compliance with the configuration data. The first interface represents a download interface, and the second interface represents an Activation interface, or generateFile interface, or SC_GenerateFile interface, or GenerateSCFile interface.

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10 cl, 8 dwg

FIELD: radio engineering, communication.

SUBSTANCE: disclosed is a method of acquiring data when evaluating network resources, which includes steps of: during data request, reading by a network resource evaluating apparatus a configured file with a rule; setting a request command for the requested data in accordance with the request rule set in the file with a rule, and transmitting the request command to a network management apparatus; requesting by the network management apparatus data via the interface of the network management device itself, which corresponds to the request command in accordance with the received request command; and outputting a request result to the network resource evaluating apparatus. The present invention also discloses an apparatus for acquiring data when evaluating network resources.

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8 cl, 4 dwg

FIELD: radio engineering, communication.

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8 cl, 28 dwg

FIELD: physics, communications.

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EFFECT: automatic update of a network device without using a third device.

6 cl, 3 dwg, 1 tbl

FIELD: radio engineering, communication.

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EFFECT: improved performance of the entire network.

14 cl, 6 dwg

FIELD: physics, communication.

SUBSTANCE: invention relates to data exchange communication system. Proposed system (42) is intended for data exchange between receivers (53, 58) and data generators (50, 57). Note here that data exchange is executed between stationary and/or mobile objects and/or inside stationary or mobile objects while data exchange communication network (49) communicates different data transmission channels (32, 44, 45). Note here that at least one data transmission administrator (38) is assigned to said network (49). Said administrator (38) identifies data set transmission channel (51, 56) to exchange data between particular data generator (50, 57) and appropriate receiver (53, 58) independently of communication channel (32. 44, 45).

EFFECT: efficient communication system.

10 cl, 5 dwg

FIELD: radio engineering, communication.

SUBSTANCE: optical coupler includes an optical coupler module and an output port connected to the optical coupler module, the output port having a port connector and an electronic label placed on the port connector; identification information is installed in the electronic label and the identification information includes identity information of the optical coupler and the output port of the optical coupler. The output port includes a test contact which is electrically connected to the electronic label with the identification information.

EFFECT: faster and more accurate detection of an optical coupler and its ports.

6 cl, 4 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to data security systems. The apparatus, method, system and computer-readable medium for protecting confidential data also enable to monitor or track electronic devices which are shared for commercial and confidential purposes, through arbitrary encryption of data transmitted from the device being monitored to a computer at a remote location, wherein data transmission can be intended for tracking, monitoring, back up of data or for return in case of loss or storage.

EFFECT: high efficiency of data protection.

15 cl, 5 dwg

FIELD: passive optical communications.

SUBSTANCE: method includes assigning identification data for identification of optical network nodes using optical linear terminus in accordance to their registration requests, and initiating, using optical linear terminus, operation of recognition relatively to functions of network nodes by transferring first information messages about functions set; by optical linear terminus from network nodes second information messages about functions set are received, meant for providing information about functions of network nodes, which received first information messages about set of functions.

EFFECT: possible recognition of functions from service, administration and operation functions set in optical linear terminus and optical network nodes, connected to aforementioned optical linear terminus.

2 cl, 8 dwg

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