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Mobile communication complex of command post vehicle Invention relates to the field of radio electronics and can be used for forming of channels by various communication facilities. The mobile communication complex of the command post vehicle of PM communication operator contains the operator communication console, first remote desk of the first VHF radio station, headset, telegraphic key, first connector for notebook. The workplace of the electromechanical driver contains the electromechanical driver desk, second remote desk of the first VHF radio station and headset. The workplace of the officer 1 contains the manipulator of the second VHF radio station, second connector for the second notebook. The workplace of the officer 2 contains the manipulator of the third VHF radio station, third connector for the third notebook. |
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Half bridge galvanic isolated pulse-power amplifier As galvanic isolation of a pulse amplifier the fast-acting galvanic isolated key is used that ensures summing of the input pulse signal with rectangular voltage of the reference frequency, and double-cascade circuit is used for amplification of the signal power. |
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Multifunctional user terminal for transmitting/receiving documented fax or telegraph information, carried out simultaneously over multiple different communication channels, comprises a processor, a memory unit, input/output device controllers and a highway adapter, a storage device and an Ethernet controller, an interface node comprising S1-I interface controllers for digital medium-rate channels, RS-232 for tone frequency channels using modems and S2-TLG for digital low-rate channels, wherein the terminal further includes a node for interfacing and switching voice transmissions, an IP interface node which facilitates reception-transmission of video, IP telephony, Wi-Fi and Bluetooth signals. |
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Method for automatic semantic comparison of natural language texts Invention relates to information technology. The disclosed method includes presenting two texts to be compared in digital form for subsequent processing; indexing the texts to obtain elementary units of first to fifth levels; detecting the frequency of occurrence of elementary units of the fourth level, each being a semantically significant object or attribute, and the frequency of occurrence of semantically significant relationships linking semantically significant objects, as well as the semantically significant objects and attributes; storing the formed elementary units of the second to fifth levels, and the obtained indices together with links to specific sentences of said text; forming from a triad, which are elementary units of the fifth level, a semantic network; ranking the elementary units of the fourth level according to semantic weight by comparing the semantic weight of each of them with a predetermined threshold and removing elementary units of the fourth level having a semantic weight below the threshold; detecting for two compared texts the degree of crossing of their semantic networks. |
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Method for automatic semantic classification of natural language texts Method for automatic semantic classification of natural language texts comprises presenting each text to be classified in digital form for subsequent processing; indexing the text to obtain elementary units of the first through fifth levels; detecting the frequency of occurrence of units of the fourth level, each being a semantically significant object or attribute, and the frequency of occurrence of semantically significant relationships linking semantically significant objects, as well as objects and attributes; forming a semantic network from a triad which is units of the fifth level; renormalising the frequencies of occurrence into the semantic weight of the units of the fourth level; ranking the units of the fourth level according to the semantic weight by comparison thereof with a threshold value and those having a weight below the threshold value; detecting the degree of crossing semantic networks of the text and text samples; selecting as a class for text object regions, the degree of crossing the semantic network with the semantic network of text is greater than the threshold. |
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Image processing device, method and programme Invention relates to image processing, particularly to a device and a method of processing images, which enable to classify composition of an input image. The technical result is achieved through a device which includes a separation line detection module, which can be configured to receive an input image and detect a separation line which separates two sides of the input image, a classification module which can be configured to classify an input image based on the degree of symmetry and the separation line; the classification module can also be configured to generate a classification signal to provide at least one of display or storage of classification. |
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Radio signal former with digital even harmonic predistortion Radio signal former with digital predistortion of even harmonics comprises a digital unit for calculating even harmonics, a digital inverting unit, a digital scaling unit, a digital summation unit, a digital time delay unit, a digital-to-analogue converter and a modulator. |
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Invention relates to a playback device, a playback method and a programme storage medium, which provide a video format for 3D display. The playback device is configured to playback data of a data structure, comprising: image data used for 2D display of an auxiliary image comprising a header or a menu button, and a playlist file comprising a table in which, for said auxiliary image corresponding to said image data, shift information is described, which comprises the shift direction which is the direction of shift of an image L for the left eye and the image R for the right eye, used for 3D display of the auxiliary image, and a shift value which is a value of sift depending on the moment of playing back the auxiliary image. |
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Imaging device, signal processing method and programme Group of inventions relates to an imaging device, a signal processing method and a programme, which enable to generate images with a wide dynamic range and high quality, through image synthesis processing using a plurality of images with a different exposure time. To generate a normal image, image signals are stored in a storage device and read from the storage device after image correction. To generate a wide dynamic range image, image signals are stored in a storage device and read from the storage device before image signal correction. |
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Device to alert people at railway pedestrian crossing about train approach Alert system comprises annunciator of approach to dangerous point connected via communication line with receiver arranged at locomotive, decoder, memory unit, gate multivibrator, three-input OR element, control circuit, reset pulse generator and people presence control pickups. |
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Recording device for protection against counterfeit banknotes, automatic cash register and system Invention relates to facilities of transactions protection in a cash register. The technical result consists in improved quality of banknotes inspection and recognition. The recording device comprises a microprocessor (1), a recording device (2), a communication module (3) and the first photographing device (4), which comprises a camera (41) and a flashing indicator (42) with various types of beams. In accordance with the optical characteristic of the surface of the processed banknote the microprocessor (1) may automatically correct the flashing indicator (42) to provide various types of beams and control the camera (41) to produce photos of the processed banknote. The microprocessor (1) may receive a command from peripheral equipment via a communication module (3) and accordingly control the first photographing device (4) to produce photographs, and also to receive information on a transaction related to a banknote; and save photoinformation about the banknote and information about the transaction on a memory (2) in encrypted form. |
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Method of authenticating and monitoring movement of alcoholic product and system therefor Invention relates to authentication and monitoring movement of a product. A reader comprises a driving generator 1, a duplexer 2, a transceiving antenna 3, a high frequency amplifier 4, a phase detector 5, an identification code database 6, a code comparison unit 7, a switch 8, a delay line 9, a pseudo-random sequence generator 10, an adder 11, a multiplier 12, a narrow band-pass filter 13, a phase-shift modulator 14 and a power amplifier 15. A radio-frequency tag comprises a piezoelectric crystal 16, a microstrip antenna 17, electrodes 18, buses 19 and 20 and a set 21 of reflectors. Receiving equipment of the manufacturer comprises a receiving antenna 22, a high frequency amplifier 23, universal composite frequency-modulated signal demodulators 24 and 39, multipliers 25, 26, 40 and 41, narrow band-pass filters 27 and 43, low frequency filters 28 and 42, a manufacturer database 29, heterodynes 30 and 31, mixers 32 and 33, intermediate frequency amplifiers 34 and 35, a correlator 36, a threshold unit 37, a switch 38, phase inverters 44 and 45 and a subtraction unit 46. |
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Ring oscillator based on transistors with metal-insulator-semiconductor (mis) structure Invention is related to the area of computation engineering and may be used in clock systems for microprocessor units. The ring oscillator based on transistors with MIS structure contains an uneven number of in series inverters, at that output of the last inverter is coupled to output of the first one, the first inverting element containing in series transistors of p-type and n-type, which connection point is the output of the inverting element, and the second inverting element is identical to the first one, gates of p-transistors of the first and second inverting elements are coupled to input and output of one of the inverters respectively, a gate of n-transistor of the first inverting element is coupled to output of the second inverting element and the gate of n-transistor of the second inverting element is coupled to output of the first inverting element, at that outputs of the inverting elements are the device outputs. |
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Device for counting of press working strokes Proposed is a device for counting of working strokes of press in which control unit contains source of radiation, rigidly fixed on movable slide of press, and radiation receiver, located on screw-carriage, which moves vertically along the post with thread, the post is installed on press frame. The device also contains gas-discharge counter connected to amplifier which first outlet is connected to inlet of extremator with adaptation to derivate of voltage signal, proportional to irradiation intensity of radiation receiver (counter), which output through NOT element is connected to the first inlet of AND element connected to inlet of pulse generator, and the first inlet of AND element is connected to the second outlet of amplifier. |
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Method comprises exchanging optical signals between devices in which a message source transmits message signals and a continuous optical signal in different frequency ranges, using a demultiplexer located therein, to a connecting module provided to a receiver. Message receivers and all devices monitoring said switching transmit to the module continuous optical signals and the module returns the continuous signals to their sources using modulated message signals. In case of a fault, a module is replaced with any from a group of fully functional modules. |
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Invention relates to control systems and can be used at control engineering by moving objects providing their travel along preset trajectory at a preset velocity in uncertain mediums. The known method of control of moving object additionally provisions the measurement of the range Δφ of change of angle of sight of the nearest obstacle, unexpectedly appeared on the way of the controlled object, stipulated by the sizes of this obstacle and its angular fluctuations, and in case the direction of the vector of external velocity of the controlled object falls in this range, its direction is changed so that it has left the range Δφ within minimum possible time. |
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Underwater vehicle control system Invention can be used in designing underwater vehicle control systems which facilitate orientation and movement thereof along a given trajectory with a given trajectory speed, or to a given point along a required trajectory without trajectory speed requirements, or to a given point with zero final speed. An apparatus for controlling a mobile object further includes a shipborne control station, two transceivers with antennae, a sonar set with an antenna and a coordinate adjustment unit, wherein the control object is an underwater vehicle and a large part of the equipment is installed on the shipborne control station. |
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Motion prediction method and video encoding method Invention relates to computer engineering. The motion prediction method includes obtaining a plurality of motion vector predictors to be included in a candidate set for motion prediction of a current unit of a current frame; determining whether the current frame is a non-reference frame which is not referred to by other frames for motion prediction; when the current frame is a reference frame, removing any motion vector predictor corresponding to a previously coded frame from the candidate set; and predicting a motion vector of the current unit based on the motion vector predictors of the candidate set. |
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Apparatus for investigating electromagnetic field of secondary radiators Invention relates to radio communication and can be used in radio communication devices for compatibility of radioelectronic equipment and for investigating parameters of secondary radiation of different media. The apparatus further includes an antenna switch, a receiving-transmitting antenna system, a secondary radiator radiation information generator, a frequency spectrum converter, a filter unit, a radiation spectrum analysis unit and an indicator unit. An electromagnetic field excited by antenna systems results in an excited state of an investigated medium: electrical boards, electrical circuits, block structures, dielectric and weakly conducting materials, etc. Said investigated media can radiate a secondary field, wherein the level of said field depends on block or structural features, the material and advantages and shortcomings. The radiated secondary electromagnetic field is detected by the antenna system. |
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Device of searching image duplicates Device comprises the pretreatment units of first and second images, the recording units of first and second images, the conversion units of first and second images into a color space YIQ, the enhancing units of the real component of first and second images, the image forming units as a result of rotation of the first and second image, the units of image forming in changing the angle of inclination of the first and second images, the units of storage of simulated images for the first and second images, the unit of application of the method SIFT, the calculation unit of quantity of equal descriptors, the unit of storage of the found pair of duplicates. |
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Pull-push amplifier with inductive inphase decoupling Invention is related to pull-push current amplifiers. The pull-push amplifier contains the first and second amplifying elements (1, 1') having a current emission electrode (2, 2'), a current collecting electrode (3, 3') and current control electrode (4, 4'). The current collecting electrodes (3, 3') are connected through the respective inductance supply coil (7, 7') with common feed voltage (V+). The current emission electrodes (2, 2') of the amplifying elements (1, 1') through the respective capacitor (8, 8') are connected to the current colleting electrode (3, 3') of the other respective amplifying element (1', 1). The current emission electrodes (2, 2') through the respective output inductance coil (10, 10') are connected to the reference potential. The inductance supply coils (7, 7') of the amplifying elements (1, 1') are coupled inductively to input inductance coils (5, 5') and output inductance coils (10, 10') of the other respective amplifying element (1', 1). |
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Device, system and method of changing multi-user relationship chain Invention relates to means of changing a multi-user relationship chain on a network. The device includes: a transmitted information managing module configured to receive a listening notification signalling, obtain a unique identification number (UIN) of a new listener contained in the listening notification signalling, and send the UIN of the new listener to a relationship chain managing module; a relationship chain managing module configured to receive the UIN of the new listener sent by the transmitted information managing module, add said UIN to a listener list, and notify the relationship chain prompting module that the user has a new listener. The relationship chain prompting module creates a unique identifier to prompt the user that a new listener listens to the user. The user receives notification of changes in the multi-user relationship chain and the latest changes in the relationship chain. |
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Method for information support of robot system At the request of a control station, telemetric information is transmitted from a platform in accordance with a predetermined screen which reduces the amount of transmitted information, or full telemetric information is transmitted: geodesic coordinates of a location, Euler angles of the position of the platform in degree, minutes and seconds, the state of video cameras, channel frequency, encoding type, battery status, power station status, drive status, information about the external environment; the control station transmits control commands to the video cameras, a topographic precise positioning and orientation system, the power station and platform movement devices; a movement control algorithm generates signals for engine braking, completing movement, processing the direction of movement and controlling board reducing gears. The invention also enables the platform to turn due to difference in speed of the platform boards. |
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Method of organising filter table of internetwork switch and apparatus therefor Invention relates to computer engineering. A method of organising an filter table of an internetwork switch without storing a search key, wherein for source node addresses and frame destination nodes, a hash function value is calculated; the obtained value is an address in a record storage table; if a collision is detected, the law of calculating the hash function is changed and the record storage table is cleared, wherein N-1 values of the hash function are further calculated using non-recurrent laws which are cell addresses in additional N-1 parallel record storage tables in which bits identifying the source node with switch ports are stored; the values of bits identifying the destination node with switch ports read from N parallel tables are combined by a logic AND operation; the resultant identity bits enable to detect collision and change the law of calculating the hash function for one of the N parallel tables are simultaneously the search result of associated information in the filter table. |
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High-speed capacitive load driver High-speed capacitive load driver comprises a signal source connected to the input of a buffer stage, the output of which is connected to a load circuit capacitor. The output of the buffer state is connected to the input of a non-inverting voltage amplifier and the output of a current amplifier, wherein a correcting multi-terminal device is connected between the output of the non-inverting voltage amplifier and the input of the current amplifier. |
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System and method for changing interface skin Invention relates to communication engineering. The system comprises: a skin package server for storing skin package data; a client for sending a general request to the skin package server periodically, obtaining the information associated with the newly added skin package, initiating a downloading request to the skin package server to download the skin package data according to the user selection, and changing the interface skin in accordance with the downloaded skin package data. |
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Banknote transfer variable-path channel Invention relates to processing of banknotes. Banknote transfer path comprises at least first inlet/outlet to receive or to discharge banknotes from pay system and can displace second transfer inlet/outlet to be connected with assemblies arranged over the transfer path length. Said second transfer inlet/outlet comprises moving carriage to displace in said path. |
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Anatomy-defined automated curved planar reformation (cpr) generation Group of inventions relates to curved planar reformation (CPR) generation. The system comprises a model unit for adapting a model to an object in image data, a surface unit for adapting the first cross-section surface to the adapted model based on the link between the first cross-section surface and the model, and a visualisation unit for computing an image from the image data based on the adapted first cross-section surface, which is used to define a section of the image data for visualising useful features of the object and compute an image based on said data section. The shape, orientation and/or position of the adapted first cross-section surface is/are based on the shape, orientation and/or position of the adapted model. |
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Method of controlling access to wireless channel Invention relates to wireless communication networks. The method of controlling access to a wireless channel includes: providing a MAC layer of a distributed DCF mode and a centralised PCF mode for accessing an allocated medium; transmitting all information using frames consisting of controlled and competitive access intervals; realising, on the controlled access mode interval, PCF access which is used when transmitting delay-sensitive information; performing, by a base station, a polling procedure during which stations having applications to transmit delay-sensitive information are determined, and successively providing said stations with the necessary time resource in the form of a special frame, wherein during the polling procedure, the base station also determines stations having applications to transmit delay-insensitive information, and provides some of said stations with access to a wireless channel in PCF mode, and the other stations transmit the delay-insensitive information in DCF mode. |
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Apparatus for creating trusted environment for computers of information computer systems Apparatus for creating a trusted environment and protecting information from unauthorised access for computers of an information computer system comprises a flash memory chip based storage with an SPI interface, which is connected to the SPI bus of the computer motherboard chipset and contains in its write-protected area computer BIOS with additionally built-in instructions which facilitate interaction with a microcontroller and checking integrity of loaded software, and a controlled high-speed electronic switch installed on the SPI bus of the motherboard between the computer chipset and the storage, wherein the microcontroller is provided with an electronic switch control channel, which connects the control output of the input/output port of the microcontroller with the control input of the electronic switch, as well as an SPI interface controller, which enables to connect the microcontroller to the SPI bus and operation thereof in a mode of direct access to memory of the storage and in a mode of controlling instructions from the chipset to the storage via the SPI bus. |
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Invention relates to means of preventing unauthorised access to a payment application installed on a mobile payment device. The mobile payment device comprises a processor; an installed payment application; memory and instructions stored in said memory for determining that a user is attempting to use the payment application; requesting the user to input user identification data; receiving user identification data from a data input device which is part of the mobile payment device; in response to receiving said data, providing user identification data and authentication data to the payment application, wherein the authentication data are used to authenticate a valid component of the mobile payment device which receives user identification data; the authentication data differ from the user identification data; verifying the authentication and identification data; if the data are valid, the user is provided access to the payment application; if the data are invalid, the user is denied access to the payment application. |
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Serial turbo code soft decoder Invention relates to communication engineering. The device comprises a receiving unit, an index unit, a statistical decision unit, an iteration unit, an internal code unit, a priority unit, a deletion unit, a deletion locator unit, a derivative unit, an external code buffer, a syndrome unit, a product unit, a deletion correction unit and an output unit. |
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Electronic control and regulation device for electrified furniture Invention relates to modular structures for placement of electric structural elements. The device is designed for control or regulation of placement of electric structural elements in furniture or a furniture part, and comprises a microprocessor (2) and an interface (3) for wireless communication of a control or a regulation device in a common body (10) located either on printed circuit boards (4, 5) fixed as detachable to each other or on printed circuit boards (4, 5) located separately from each other or on a control or a regulation device, besides, on printed circuit boards (4, 5) that are fixed to each other as detachable there are keys (8) of control for manual user access. |
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Invention relates to computer engineering. A method of transmitting three-dimensional (3D) image data, wherein a 3D source device outputs a 3D display signal on a display via a high-speed digital interface such as HDMI. The 3D display signal comprises a series of frames. The series of frames comprises units, each unit corresponding to frames containing video information intended for combination and display as a 3D image. The 3D source device includes 3D transmission information comprising at least information on video frames in a unit. The display detects 3D transmission information and generates display control signals based on dependence on 3D transmission information. The 3D transmission information in an additional information frame packet comprises information on a frame multiplexing scheme for multiplexing in a 3D display signal, wherein the multiplexing scheme is selected from a group of multiplexing schemes which include multiplexing with frame alternation, frame alternation indicating said number of frames arranged in series in said period of video data. |
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Encoder, decoder and method therefor Group of inventions relates to means of encoding and decoding a signal. The encoder comprises a first layer encoding section which encodes an input signal in a low-frequency range below a predetermined frequency. First encoded information is generated. The first encoded information is decoded to generate a decoded signal. The input signal is broken down in a high-frequency range above a predetermined frequency into a plurality of frequency subbands. A spectrum component is partially selected in each frequency subband. An amplitude adjustment parameter is calculated, which is used to adjust the amplitude of the selected spectrum component in order to generate second encoding information. |
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Combining 3d image data and graphical data Invention relates to means of rendering a 3D image. The method includes receiving 3D image data from a data medium, scaling the 3D image data based on scaling information and/or creating a black bar spatial zone not occupied by said data, combining said data with auxiliary graphical data, obtaining said information by use thereof with image data. |
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Invention is referred to the area of images receiving and processing. In the system the signal is delivered through light filters to the surface of cells filled with a substance polarised under action of the controller command for its light flux control. Upon passage through the light filter the light flux diffracts to slots and passes through transparent medium deviating per a certain angle equal to the wave length and coming to a photocell being a control element in the electric circuit, which allows current passing through a branch with the control element by increase or decrease of current or voltage. Identification and survey control are carried out with holographic techniques of identification by forming displays out of semiconductor elements using data on parameters of the sounding signal and information on environmental conditions from the built-in database. |
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Method and system for controlling at least one actuating element Invention relates to a method of controlling at least one actuating element (11). The method includes presence of at least two control units (A, B) and a logic selection circuit (13), wherein each of the control units (A, B) is configured to act on the actuating element (11). Each of the control units (A, B) performs self-diagnosis. Depending on the self-diagnosis result, each of the control units (A, B) generates at least one activation signal (AA, AB, BA, BB). The activation signal (AA, AB, BA, BB) indicates which of the control units (A, B) is to be activated. Depending on the activation signals (AA, AB, BA, BB), the logic selection circuit (13) activates one of the two control units (A, B) to act on the actuating element (11). |
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Mixer of biomineral fuel components Biomineral fuel mixer is arranged in vehicle fuel tank and comprises external pipe 1 and comprises biological component feed line, internal pipe 4 with moving conical funnel 7, inner chamber 17 communicated with fuel tank chamber filled with mineral component. funnel 7 is connected by yoke 10 with road 11 loaded by return spring 15 and arranged inside solenoid 12 with electric circuit is connected via switch 13 to DC source 14. Additionally, contact temperature pickup 16 of engine cooling system is connected in the circuit between solenoid 12 and switch 13. Cold engine start and warm-up are executed on mineral component. With coolant temperature reaching 60±2°C contacts of pickup 16 make so that solenoid 12 rod 11 displaces conical funnel 7 for it to allow the feed of biological component to mineral component at alignment of holes 5 and 9 on internal pipe 4 and funnel 7. Vehicle engine starts running on biomineral fuel. Engine shut down and cooled down, contacts of temperature pickup 16 break to de-energise the circuit of solenoid 12 and to make funnel 7 return to initial position with the help of spring 11 whereat vehicle engine starts running on mineral component. |
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Invention relates to mobile communication. The disclosed method of establishing contact and/or transmitting messages associated with activity in social network services includes sending to a user/subscriber of a mobile communication network from a mobile communication terminal thereof a message with an offer to establish friendship/register in said social network using SMPP standard links and forwarding SMS messages using said links. |
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Method of superimposing images obtained using different-range photosensors In the method, each odd-numbered line corresponds to an infrared image and each even-numbered line corresponds to a television image with further interlinear exchange of parts of opposite pixels based on an algorithm, in which each pixel is divided in proportion into three parts, after which two parts of the i-th pixel of the k-th line is summed with the remaining portions of the i-th pixels of the (k-1)-th and (k+1)-th lines. |
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Rotary internal combustion engine, and method for combustion of fuel in it Invention relates to power engineering. A fuel combustion method is implemented in a rotary internal combustion engine. A combustion chamber being a swirler, a rotor with spherical blades with sealing vanes and spool valve grooves adjacent to the rotor are arranged in the motor housing. A spherical swirl-type combustion chamber is taken out to the reverse side of the spool valve, offset and opened to the side of formation of an "operating stroke" cavity and has two blind channels. Tangential supply of compressed air and discharge of expanding gases is performed through blind channels. A provision is made for use of an additional spool valve for release of residual pressure from the combustion chamber and its blowdown using two channels after the rotor is turned through more than 60 degrees from longitudinal axis. The exhaust is provided with a swirler with a blind channel for concentration of exhaust gases and removal of air from the groove of the second spool valve to the "inlet" path cavity. A compensator is provided in the groove of the main spool valve. The compensator transfers the compressed air between adjacent surfaces of the spool valve and the rotor blade with further release in the action zone of the "operating stroke" path to maintain the combustion process. |
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Counter includes RAM 12 and RAM 1. Groups of information outputs and address outputs to control devices 2 are connected with groups of information outputs and address inputs of first 1 and second 12 RAM, respectively, their interlock inputs are connected with outputs of first 5 and second 6 OR elements, respectively. At that outputs of group of information outputs of the control device 2 are connected to the appropriate information outputs of the appropriate parity triggers. Record output and fletch output of the control device 2 are connected respectively to record inputs and fletch outputs of the first 1 and second 12 RAM and first 4, second 9 and third 10 parity triggers. Lock input of the control device 2 is connected with lock bus-bar 2. |
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Invention relates to information processing devices. A server comprises: a processor unit; an input configured to receive sensor information from a client terminal; memory which stores instructions which, when executed by the processor unit, enable the processor unit to determine the current location of the client terminal, based at least in part on the sensor information and to perform prediction, based at least in part on the current location of the client, of the time of entry of the client terminal into a self-contained operation area; and an output configured to transmit to the client terminal (a) data to be used by the client terminal during self-contained operation, or (b) a decryption key for data stored on the client terminal. |
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Method of stimulating commodity and service sales and system therefor Invention relates to means of settlement in trade. The system comprises: a server centre linked to server centres and partner banks of a program, cards and card reading terminals, wherein the payment unit for said cards is certificates with predetermined discounts, and an operator bank through which cash payments are made. The server centre for servicing cards with certificates credited to said cards comprises a card account database, a certificate identifier database, a database of a store of available certificates and a database of personal accounts of program participants. |
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Invention can be used for the design of the liquid fuel rocket motor (LFRM) with turbopump fuel system designed without afterburning, with radiation-cooled camera nozzle attachment. LFRM includes turbopump unit (TPU) 1, gas-producer 2, exhaust line of TPU turbine 3, combustion chamber 4 with radiation-cooled nozzle attachment 5 and manifold 6 on the nozzle of the combustion chamber 4, connected with the exhaust line 3. Around the radiation-cooled attachment 5 the housing 7 is provisioned, the manifold 6 is located in the zone of joint of the radiation-cooled attachment 7 and regenerative-cooled parts of the nozzle of the camera 4 and is connected with the input of the annular cavity formed by the housing 7 and wall of the radiation-cooled attachment 7, the output of which is connected to ring-type supersonic nozzle 8, surrounding the radiation-cooled attachment 7. Meanwhile, for the material of the housing 7 dense heat-resistant fabric can be used. |
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High-frequency key power amplifier Invention relates to radio engineering and can be used in radio transmitters. The high-frequency key power amplifier comprises a key amplifier stage, a filter and a transmission line, the length and wave impedance of which are defined from given relationships. |
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Solar heat and cold supply system Invention is intended to maintain comfortable air parameters in low buildings, mainly in cattle farms. Solar heat and cold supply system includes south air duct made of material absorbing solar radiation and north air duct, located at respective building sides, heat collector, together with the building floor forming a subfloor air duct connected to the south air duct, and heat exchange and underground air ducts positioned one over the other below the heat collector, where heat exchange air duct is connected to the north air duct, and underground air duct is equipped with underground heat transfer pipes; the system features a vortex tube in the heat collector, vortex tube input connected to subfloor air duct, cold channel connected to transfer piece, and hot channel connected via heat collector to underground air duct; subfloor and underground air duct outputs are connected to cold channel of vortex tube where a filter is installed downstream of air duct connection point; south and north air ducts are opened to ambient air, and heat exchange air duct is opened to indoor space; special feature of the system is the underground air duct made of composite material including metal base, heat insulation and heat accumulation thin-fibre basalt and waterproof layer, where thin-fibre basalt is stretched lengthwise along underground air duct and attached between metal base and waterproof layer. |
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Proposed device comprises airflow baffle, cowl displacing parallel with nacelle lengthwise axis, at least one flap with one end articulated with said cowl and flap drive system. Cowl can displace from closed position to open position. Flap drive system comprises composite lever turning at said cowl. Driving links are articulated with every end of said lever and arranged at the flap and device fixed structure, respectively. Another invention of this set relates to bypass turbojet nacelle equipped with aforesaid device. |
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Engine without connecting rod and method to eliminate jamming of its mechanism Invention refers to piston machines with a motion converter without a connecting rod and can be used in their structures. The essence of the invention consists in the fact that a radial engine comprises a casing with at least six cylinders installed on it, a guide unit interacting by the surfaces of its elements with the piston rods is placed inside and fixed in the casing, a crankshaft is installed in the guide unit and is fitted by cranks which are evenly distributed along the circle with the centre being set in the axes of its extreme journals and the number of cranks corresponds to the number of cylinder pairs. The crankshaft provides for axial rotation of the extreme journals and orbital revolution as per the radius of pistons' stroke quarter and ensures the movement of piston systems and connecting rods coupling them by means of the cranks. The extreme crankshaft journals at the radius of pistons' stroke quarter are pivotally coupled with the levers of the working shaft consisting of two parts. Therewith the working shaft parts are synchronized by even distribution of loads from gas forces affecting the journals of the crankshaft cranks on both sides from its centre, and the working shaft parts are take-off shafts for the power being evenly distributed between them. |
Another patent 2550946.