The household system network for two-way multimedia services

 

The invention relates to a two-way multimedia services. The technical result - the creation of a system of domestic network with one cable television for the control of multiple display devices simultaneously. This is achieved by the fact that such domestic network includes many blocks display multiple panels of subscriber equipment for processing signals containing services supplied through medium to supply the processed signals that provide services to multiple display, many of the high-frequency modulator, configured to modulate signals, indicating the list of services and output multiple panels subscriber equipment in various bands channel frequency, and a mixer connected with each of the multiple high-frequency modulators, made with the possibility of mixing impeller modulated signals containing services. 7 C.p. f-crystals, 3 ill.

The present invention relates to a two-way multimedia services, in particular to the system of the household network to communicate with many of a television receiver by means of multichannel modulation schemes.

Preds the ideology-on-demand ("VOD services"). The VOD services allow subscribers to watch the desired program by placing an order at any time. Thus, the subscribers you do not want to watch a specific television program in accordance with the program offered a television broadcasting company. In the list of services offered by VOD is a demonstration of movies, as well as demonstration accounts other recently transmitted television programs, including educational, sports, etc., In accordance with this VOD services can be provided while ensuring supplier programs required video and network services in the allocation information to the subscriber.

Fig.1 illustrates elements of a system O.S., which includes a server containing the server 4 enter the server 6 application programs, network 8 and many decoders 10 channels of cable TV (set-top boxes). A variety of video information contained on the tape 2, which provides the provider video, you enter in the server 6 application programs via the server 4 enter. The server 6 application program stores the video data, and application software for managing video data is used for the selective transmission of television receiver satellite communications), as required subscriber. Network 8, which includes core network, the access device node and network access must be broadband and can transmit data blocks in several Mbit/s For transmission in the core network 8 and from it you can use a variety of transmission media type optical fiber, coaxial cable, telephone wires, air pollution in satellite communications, etc. in the Same way the request from the subscriber via the remote control is transferred to the server 6 application programs via the network 8. The decoder 10 channels of cable television is usually installed in the house of the subscriber so that he could act as a terminal station for control of the broadband transmission path with the purpose of decoding the digital information to be displayed on a television screen, and to perform several other applications.

Previously there was a trend of increasing the number of household or office TV stations. However, if the subscriber needs in bilateral multimedia services type of services O.S. each subscriber's television receiver must be equipped with individual decoder channels cabengo for control of television receivers with a view to providing VOD services.

In most developed countries on one average family in an average of 2.8 television sets. Therefore, there is a need to run a single cable television to control at least 3 television receivers simultaneously.

Disclosure of the invention the present invention for addressing the problems inherent in the existing prior art, is the establishment of a domestic network with one cable television for simultaneous control of multiple display devices, and systems domestic network, is able to simultaneously provide multiple display devices with content services supplied from the network, using the method of multi-channel modulation.

To solve this task according to the present invention proposed a remote control device connected to the network for media control information is presented to the subscriber on the set of blocks of the display containing many decoders cable TV connected to the remote control device to convert signals received through the medium, corresponding signalling television to modulate the converted signals, containing services in various bands of the channel frequency in which a particular value of the channel frequency corresponds to a display unit; a mixer connected to each of the high frequency modulator for mixing the modulated signals from a variety of high-frequency modulators to be transmitted into multiple blocks display; a switch connected to the mixer for the selective choice of the output signal from a mixer or TV broadcast signal, received via the antenna sensitive to the request made by the subscriber; and a distribution device connected to the switch for distributing the output signal from the switch into multiple blocks display.

In accordance with one aspect of the present invention high-frequency modulators, means mixing and switching means are located in the same block.

According to another aspect of the present invention panel decoders cable television channels include the main panel cable television connected to the network through a medium, and many sub-panel decoders cable television channels, each of which is connected is his invention, the main panel cable TV provides communication with the subscriber for the selective control of the output signals of the means of switching.

In accordance with another aspect of the present invention panel cable TV demodulates signals from the network, using the method of amplitude-phase modulation with suppressed carrier (AFEN), and modulates the upstream signal using the quadrature method of phase manipulation.

A brief description of the drawings the Above and other objectives, features and advantages of the present invention will become more apparent from the following description with reference to the accompanying drawings, in which: Fig.1 is a schematic drawing of the system, illustrating the system design VOD (video on demand); Fig.2 is a block diagram illustrating the construction of the system of domestic network corresponding to a preferred variant implementation of the present invention; Fig. 3 is a block diagram illustrating the construction of the main panel cable television, shown in Fig.2.

Description of embodiments of the invention Below is a more detailed description of the preferred embodiments of the present invention. In the drawings used sequential numbering of elements. For greater clarity, a detailed description etaseco invention.

In Fig. 2 presents a block diagram illustrating the construction of the scheme domestic network according to a preferred variant implementation of the present invention.

As shown in Fig.2, cable television includes a base panel 20A of the cable television and many sub-panel 20B,..., 20N decoders cable TV. Each of the panels decoders cable TV can be easily mounted on the cable TV with characteristics similar to the characteristics of the PCB module personal computer (PC), and disassemble it. The total number of panels including a base panel 20A and the sub-panel 20B, . . . , 20N decoders cable TV, mounted on the cable television, corresponds to the number of blocks display 30A, 30B,..., 30N. For example, if the number of blocks of the display included in the domestic network is 5, then the total number of panels including a base panel 20A decoder cable television channels, and the sub-panel 20B, ..., 20N decoders cable TV, mounted on the cable TV is 5.

The main paolone, coaxial cable, cable with a twisted pair (telephone wire), air pollution in satellite transmission and so on, and each of the many sub-panel 20B,..., 20N decoders cable TV connected to a network interface unit (SIU) of the main panel 20A of cable television.

Fig. 3 is a block diagram illustrating the inner construction of the main panel 20A decoder cable television channels, as shown in Fig.2.

As shown in Fig.3, main panel 20A of the cable television contains a microprocessor 32, a storage device 34, a network interface unit (SIU) 36, the decoder 38 of the expert group in the field of moving objects (EGDA), sound and TV output section 40, section 42 of the I/o section 44 of the subscriber interface. The microprocessor 32 controls the complete operation of the main panel 20A of cable television. The storage device 34 includes a persistent storage device (ROM) and random access memory (RAM). In ROM recorded various program control of the microprocessor 32, and various other control signals and data are stored in RAM and schityvanie or optical cable and modulates and demodulates signals, transmitted and received between the network and the decoder 38 EGDO, and outputs the modulated or demodulated signals from the last.

More specifically SIOUX 36 consists of a transmitter and receiver. The receiver demodulates the data stream, EGDO introduced through the medium using the method of amplitude-phase modulation with suppressed carrier (AFNN) - 16, and outputs the demodulated data stream, EGDO in the decoder 38 AGDA. Conversely, the transmitter modulates the data in the "upward" direction, using the method of quadrature phase-shift keying (FMC) and outputs the modulated data to the network environment data.

The decoder 38 EGDO controlled by a microprocessor 32 and decodes the demodulated data stream, EGDO taken from the SIOUX 36, with subsequent transfer of the decoded data stream, EGDO in the form of audio and video data on sound and TV output section 40.

TV output stage sound and TV output section 40 converts the digital video signals by decoder 38 EGDO into corresponding analog signals, and outputs the converted analog video signal to the external display unit through the section 42 I / o (i.e. audio/visual (H/C) connector). With drugy, processed by the decoder 38 EGDO into the corresponding analog audio signals when amplified, converted analog audio signal for transmission to the external display unit through the section 42 I/o (i.e. audio/visual (H/C) connector). Section 44 of the subscriber interface is a scheme to establish a connection with the subscriber, which includes a remote control with keyboard input.

The sub-panel 20B, 20C,..., 20N decoders cable television is made with a configuration similar to the configuration of the main panel 20A of the cable TV, but do not contain SIOUX 36 and user interface 44, as shown in Fig.3. Thus, the description of such components due to their redundancy omitted except that the microprocessor 32 included in each of the sub-panel 20B, 20C,..., 20N decoders channels of cable television, is in mutual communication with the microprocessor 32 main panel 20A of the cable television and performs the appropriate operations under the control of the microprocessor 32 main panel 20A of cable television. In addition, as shown in Fig.2, the main panel 20A decoder channels cubename high-frequency modulators 22A, 22V,..., 22N so that each of the panels including a base panel and sub-panel 20A, 20B, 20C, . .., 20N decoders cable television channels corresponds to one of the associated high-frequency modulators 22A, 22B,..., 22N. For simplicity, each of the signals output from the main panel 20A of cable television and the sub-panel 20B, 20C,..., 20N decoders cable TV, hereinafter will be referred to as "signal content services".

High-frequency modulators 22A, 22B,.... 22N modulate the SIGNALS THAT CONTAIN SERVICES that are output from the main panel 20A of cable television and the sub-panel 20B, 20C,.... 20N decoders cable television channels in different frequency bands of channels assigned to each channel corresponding blocks 30A, 30B,..., 30N display, as shown in Fig.2. High-frequency modulators respectively transmit modulated SIGNALS THAT provide SERVICES to the mixer 24. The mixer 24 mixes the impeller modulated SIGNALS THAT CONTAIN SERVICES that are output together from high-frequency modulators 22A, 22B,.... 22N, to transfer in section 26 of the switch. Section 26 of the switching outputs or regular signals televizionnaya signal SWC control switch, taken from the microprocessor 32 main panel 20A of cable television, in which the control signal switch is used to select a specific channel in response to a request made by the subscriber. After that, switched or selected signals are transmitted to the distributing device 28. Switchgear 28 distributes the output signals from the switching section 26 on many television receivers 30A, 30B,..., 30N, respectively.

The block denoted by the reference position 100 of Fig.2, which contains many high-frequency modulators 22A, 22B,..., 22N, the mixer 24 and section 26 of the switch, preferably made in one node 100. Provided by the execution unit 100 with increased efficiency.

Below is a more detailed explained the functioning of the system according to the variant of implementation with reference to Fig.2 and 3.

When the SIOUX 36 main panel 20A of the cable television receives data containing services (digital television signals, Internet data, data O.S. and so on), from the network through the medium type optical fiber, coaxial cable, twisted pair cable (telephone wire) and the air satellite containing services, the decoder 38 EGDO main panel 20A and the sub-panel 20B, 20C,..., 20N decoders cable TV.

The constituent elements of the main panel 20A of cable television and the sub-panel 20B, 20C,..., 20N decoders cable television channels associated with Fig.3, is arranged to generate signals containing services. After this main panel 20A of cable television and the sub-panel 20B, 20C,..., 20N decoders cable television SIGNAL CONTAINING SERVICES, high-frequency modulators 22A, 22B, 22N ... respectively. At this point, the SIGNALS CONTAINING the SERVICES are in the form of an analog signal and can be classified as a video signal, an audio signal and a text signal. Each of the frequency modulators 22A, 22B,..., 22N modulates SIGNALS THAT provide SERVICES that are output from the main panel 20A of cable television and the sub-panel 20B, 20C,..., 20N decoders cable television channels in different frequency bands of the channels that are assigned to each channel corresponding to a television receiver 30A, 30B,.... 30N. Then the modulated signals of content services in the respective frequency channels are fed to the mixer 24. N,25 MHz, the modulated frequency channel In the high frequency modulator 22B on 67,25 MHz, modulated frequency channel With high frequency modulator 22S on 73,25 MHz,..., modulated frequency channel N high-frequency modulator 22N on 135,25 MHz, respectively. In the case of system broadcast ncst (National standards Committee on television), given that the modulated frequency of the high frequency modulator is displayed on the 3 channels (carrier frequency image 61,25 MHz) or 4 channel (carrier frequency image 67,25 MHz), each of the channel frequencies can be applied as in the case of system NXT.

The mixer 24 mixes the respective modulated SIGNALS THAT CONTAIN SERVICES that are output from the high-frequency modulators 22A, 22B,..., 22N, with the aim of filing for section 26 of the switch. At this time, the frequency band output from the mixer 24, range from 54 MHz to 140 MHz, as described above.

In addition, standard TV broadcast signal received via an antenna that is supplied to the switching section 26. Section 26 of the switch selects one of the TV broadcast signals received through the antenna, or the output signals from the mixer 24 in accordance with control signal SWC Brawley switch signal based on the selection of the field of view, made by the subscriber. Then switchgear 28 distributes the signal output section 26 switching on many television receivers 30A, 30B,.... 30N, respectively.

Therefore, the subscriber viewing shows on the television receiver 30A, 30B,..., 30N, can see various videos on request in accordance with the channel selected by the subscriber. For example, when the subscriber television receiver 30A uses the remote control cable television with the aim of selective selection signals containing the desired services for the television receiver 30A, and selects a channel And using the remote control of the television receiver 30A, he can see the list of services provided through the high-frequency modulator 22A. If the subscriber selects a channel, he can see the list of services provided through the high-frequency modulator 22B.

As was shown above, the advantages of a home network according to the present invention is that although many subscribers in different areas use some one subscriber equipment, that is, the receiving unit of the satellite television broadcasting, United with the network through one p is the set of blocks of the display. In addition, each of the multiple subscribers in the relevant areas may choose the desired channel from the number N of channels offered through select channel to view programs in accordance with the proposed list of services.

When describing the present invention in connection with the fact that at the present time the most promising option for the considered services O.S. as an example of bilateral multimedia services, it was understood that the invention is not limited to those disclosed by the embodiment, it should cover various modifications without departing from the scope of the essence and scope of the attached claims.

Claims

1. The domestic network is connected to the network, providing data that contains the services for the management of multimedia information is presented to the viewer on many blocks display containing multiple panels of cable television, data conversion, containing the services received from the specified network through a medium, the appropriate signals containing services, many high-frequency modulators connected to the above in many different frequency bands channel, at this particular value of the channel frequency corresponds to a display unit of the above-mentioned multiple blocks, display, mixer, connected to each of the high frequency modulator for mixing the modulated signal with said set of high-frequency modulators, subject to the submission to the said set block display, switching tool, coupled with the mixer for election to select the output signal from a mixer or TV broadcast signal, received via the antenna sensitive to the request made by the subscriber, and the distribution device, coupled with the switching means for distributing the output signal from the switching means into many blocks display.

2. The system under item 1, in which a high-frequency modulator, mixer and switching tool made in the form of a single module.

3. The system under item 1, in which multiple panels of cable television includes a base panel of the cable television connected to the network through a medium, and many sub-panel of the decoder cable television channels, each of which is connected with the main panel dlego television contains a network interface unit (SIU), coupled with the transmission medium for interfacing with said network, and referred to the SIU is connected to the sub-panel of the decoder channels of cable television, the first MPEG decoder for decoding the output signals of the SIOUX in the corresponding digital output signals, the first output sound and videosection to convert the digital output signals from the MPEG decoder to the appropriate sound and television signals, the first microprocessor, coupled with the SIOUX and the MPEG decoder to control the full operation of the main panel of the decoder channels of cable television, the first storage device connected to the microprocessor and user interface connected to the microprocessor for communication with the subscriber.

5. The system under item 4, in which the main panel cable television associated with the subscriber for the selective control of the output signals switching means.

6. The system under item 4, in which the network interface device further comprises a transmitter and a receiver, the receiver configured to demodulation of signals received from said network using a method of amplitude and phase modulation with suppressed carrier (AFEN), as per the FM), “rising” of the signal to be output to the network transmission medium.

7. The system under item 5, in which the Subpanel of cable television contains a second MPEG decoder, connected with the said SIOUX main panel cable television for decoding output signals referred to SIU in the corresponding digital output signals, a second sound and videosection to convert the digital output signals of the second MPEG decoder in the respective audio and video signals, a second microprocessor connected to the first microprocessor main panel cable TV to control the full operation of the sub-panel cable television, and the second storage device, coupled to the second microprocessor.

8. The system under item 1, in which the transmission medium data is optical fiber, coaxial cable with twisted pairs or air satellite transmission.

 

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FIELD: wireless interface technology.

SUBSTANCE: one protocol of network messaging is a control protocol for NDIS device. Also, multiple software products for operation in circuit-based, i.e. bus-connected, network, can also be used for any wireless Bluetooth network.

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3 cl, 3 dwg, 1 tbl

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