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Negative-sequence current filter Negative-sequence current filter for an electric installation with current leads of A, B, C phases located at triangle corners comprises a reed relay with a put on control winding connected to an inductance coil through a in-series connected resistor, a phase-shifting scheme and an amplifier. Two attachment plates are fixed to a beam and support by collars and pull rods. The first and second bodies with plates and the reed relay fixed in them and the inductance coil are fixed to the first and second attachment plates. The third body with the resistor, the phase-shifting scheme and the amplifier in it is placed in the second body above the second plate. At that the control winding is connected through the resistor with the phase-shifting scheme by means of a cable laid in a box. The box is fixed at the second attachment plate, beam and the first attachment plate. |
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Emergency signal transmitting device - relay Device comprises a housing, an emergency signal transmitting device (UPAS) system board with a terminal block, an integrated power supply unit, a TARB plus board, a speaker and a microphone. The UPAS system board is mounted on the inner side on the base of the UPAS housing, said system board being configured for connection to the electrical power line of a passenger carriage via the terminal block, the integrated power supply unit and the TARB plus board, the outputs of which are connected to the speaker and the microphone, mounted inside on the cover of the UPAS housing. The TARB plus board has a socket for connecting a DECT antenna. The integrated power supply unit and the TARB plus board are connected to the UPAS system board. The cover of the UPAS housing has means of guiding the outputs of signalling lines installed in passenger carriages to the terminal block of the UPAS system board. The UPAS housing has a socket for connecting an electronic registration key reader. The base of the UPAS housing is fitted with means of inputting cables from carriage signalling systems, as well as from the power supply system of the apparatus. |
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Invention is attributed to the field of electric engineering and may be used for actuation of a group of electric engines. Technical result consists in power regulation depending on momentary change of load and momentary change of rotation speed for each operating electric engine in the drive system and effective energy saving. The control system intended to vary input power simultaneously with load and rotation speed by means of inverter bridge actuating several groups of engines includes the following units: unit (1) of stator voltage regulation; unit (2) of electric engines; unit (3) of rotor speed regulation; inverter bridge unit (4); control and actuation unit (5); signal processing unit (6). Due to installation of power factor transducer phase voltage and phased current are obtained as control signal for regulation of input signal so that it changes together with load. Moreover, to installation of power factor transducer and current sensor separate phase voltage of the engine, output current of the rectifier, current of overvoltage protection and operating current of circuit-breaker are obtained as control signal for regulation of output voltage so that it changes together with rotation speed. |
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Key element with high safety level Device is made in the form of a successive circuit of at least two controlled keys, and a power source, and has a unit of pairwise voltages comparison on the controlled keys. It has also a bipolar transistor connected in series in the circuit of the said keys, wherein the controlled keys are made as field transistors. In the circuit of the bipolar transistor base a high voltage diode is connected matched. |
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Battery of elements of thermal chemical sources of current Battery comprises an inner and an outer tight shells with a cavity between them and two layers of heat insulation, which create the body, where an assembly is located from electrochemical elements alternating with heating elements. The assembly is electrically connected to the first and second outputs of the battery, the first layer of heat insulation is located between the assembly of the elements and the inner shell, and the second one - in the cavity between the shells. The body of the battery is equipped with an additional resistive heating element and a controlled switchboard. The resistive heating element is located between the inner shell and the second layer of heat insulation, outputs of the resistive heating elements are electrically connected to the outputs of the battery, and one of outputs of the resistive heating element is connected to one of outputs of the battery via the switchboard. |
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Method includes feeding a cationic surfactant into at least part of the surface of a membrane and inner part of a membrane by incubating the membrane in an aqueous or aqueous salt solution containing a cationic surfactant or a mixture of cationic surfactants. A vanadium redox battery (versions) is also disclosed. |
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Multilevel power converter with fixed neutral point Multilevel power converter (1) has polarity definition unit (8), which defines voltage polarity (VNPC) of neutral point carry-over calculated by control unit (4) in order to suppress potential fluctuation of the neutral point, and then on the basis of the above voltage polarity (VNPC) of neutral point carry-over the unlatching pulse control unit selects voltage polarity (VMPC) of unlatching pulse carry-over. |
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Method of control in mode of regenerative braking of multizonal rectifying and inverting converter At zonal and phase control by the rectifying and inverting converter in the mode of regenerative braking using the operated electronic switches the activation of unregulated winding of the traction transformer at each half-cycle of voltage is performed within the interval from zero to a certain moment, and deactivation is performed no later than at the half-cycle end. For achievement of full zone of the phase of activation and deactivation of regulated winding of the traction transformer the same, as during the work of unregulated winding, for decrease of rectified voltage zone the activation and deactivation of regulated winding is performed by phase in such a way that the zone voltage continues to decrease from a certain moment, from the beginning to the end of the half-cycle of voltage, thereby shifting the maximum instant values of current towards the maximum instant values of mains voltage. The discharge diode arm, the duration of operation of which is defined by the series connected electronic switch, works within the period when all arms are closed, providing continuous flow of the current of armature of engines. |
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Fireball generation device contains the electric-discharge chamber and the working substance activation device which comprises the high-voltage electric energy accumulator with electrodes for arc breakdown of the working substance, the plasma stabiliser in the working chamber, the plasma stabiliser implemented in the form of the electromagnetic wave generator (EWG) interconnected with the working chamber through the respective wave guide, the current-collector electrodes, while the housing of the electric discharge chamber is made from metal, the positive electrode of the high-voltage electric energy accumulator is churlish, installed in the heat-resistant dielectric bushing fixed in the metal housing of the working chamber and is electrically connected to one of the current-collector electrodes, the other of which is connected to the metal housing of the working chamber electrically connected with the negative electrode of the electric energy accumulator. The positive electrode of the high-voltage electric energy accumulator is rigidly fixed in the heat-resistant dielectric bushing and implemented in the form of a pipe one end of which is plugged by the churlish nozzle, and another one is rigidly fixed in the metal nozzle. The pipe cavity is divided into two halves by the metal partition one end of which is fixed in the metal nozzle, and between the second end of the metal partition and the churlish nozzle the gap is provisioned with a possibility of liquid overflow from one half of the pipe cavity into its second cavity, the metal nozzle has two holes penetrating into the pipes cavities, the first of which is implemented with a possibility of liquid flow into the first half of the pipe cavity, and the second one - with a possibility of liquid drain from the second half of the pipe cavity. |
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Multibeam adaptive antenna array Invention can be used in radio communication systems installed on-board spacecraft, operating in a difficult signal-noise environment, for example, in systems for space communication with mobile objects. A multibeam adaptive antenna array comprises N receiving elements, a beam-forming unit, analogue-to-digital converters, a digital computer of the vector of weight coefficients of spatial differentiation, as well as a digital computer of the vector of weight coefficients of spatial accumulation. |
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Device comprises the first input power divider for dividing power into channels, the first and second mixers of the first frequency conversion stage, the first and second intermediate frequency filters of the first frequency conversion stage, the first and second heterodynes, the second and fourth power dividers, as well as the third and fourth mixers of the second frequency conversion stage, the third and fourth intermediate frequency filters of the second frequency conversion stage, the third power divider, wherein the heterodyne frequency of the second conversion stage is doubled, and double frequency conversion is applied only in one channel of the second stage of the receiver. |
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Method includes encoding a first image signal for generating a main stream, encoding a second image signal for generating a dependent stream, inserting a dependent delimiter in the form of a NAL unit, which includes a nal_unit_type parameter, having a value different from the value of said access unit delimiter parameter, indicating the boundary between access units. In the method, the dependent delimiter indicates the boundary between frames in the dependent stream at the beginning of the frame. |
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Apparatus for providing a chart of content items to a plurality of user devices comprises a user device interface for communicating with user device applications; a permissions module for defining user access permissions, including temporary permissions; a distribution module for implementing permissions defined in the permission module; the distribution module further includes a fragmenting module designed for fragmenting each item from one or more content items into a plurality of fragments. |
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Authentication device, authentication method and programme Authentication device, which includes a key storage module for storing L(L≥2) secret keys si(i = 1 to L) and L public keys yi, which satisfy the condition yi=F(si) with respect to a set F of polynomials of multiple variables of the n-th order (n≥2), and a module for executing an interactive protocol, designed for performing, using a verification interactive protocol, verification of the value of (L-1) secret keys si, which satisfy the condition yi=F(si). The module for executing the interactive protocol includes a call receiving module for receiving L calls Chi from the verifier; a call selection module for arbitrary selection of (L-1) calls Chi from L calls Chi, received by the call receiving module; a response generating module for generating, using the secret keys si, (L-1) responses Rspi, respectively, for L-1) calls Chi selected by the call selection module, and a response transmitting module for transmitting to the verifier (L-1) responses Rspi generated by the response generating module. |
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Method of compressing a digital colour image comprises: dividing into colour components, each being a digital halftone image represented by g-bit binary numbers; dividing the digital halftone image into bit binary images; selecting a vicinity for each image element; for the most significant bit binary images containing large image elements, applying element prediction procedure 1 based on correlation coefficients on the horizontal and the vertical and the theory of conditional Markovian processes and removing correctly predicted elements; for the least significant bit binary images containing small image details and the background, which is similar in structure to white Gaussian noise, applying procedure 2 which includes selecting the regions containing image details and applying procedure 1 thereto; removing the regions containing the background; encoding the bit stream. |
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Method of protecting video materials from unauthorised reproduction and copying Invention relates to copy-protection of video materials. A method of protecting video materials from copying and unauthorised reproduction comprises preparing video material; to this end, frames constituting a source video sequence are broken into fragments, thereby processing the entire source video sequence to generate control information for reproducing the video material; video sequence derivatives composed of the frame fragments are obtained after the fragmentation and processing of the fragments, wherein organisation of the video sequence derivative is static or dynamic, which can also be linear or discrete; video information is restored to perceptively identical source information when reproduced using the control information from synchronously reproduced video sequence derivatives accompanied by an audio track. |
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Device comprises a group of n inverters, n groups of transmitting transistors, a group 2n of inverters of setting, an output inverter, a group 2n of transistors of variables, a group 2n of transistors of shut-off of setting, an inverter of controlling the group of transistors of variables, a transistor of test control. |
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Public utility communication method and system Invention relates to communication networks. The method comprises: a plurality of nodes interconnected via inter-node links in a meshed topology, the method comprising: identifying, between a sending and receiving node, a first and a second communication path with no common link or node except for the sending and receiving node, where an intermediate node of the first communication path and an intermediate node of the second communication path are interlinked via internode connections in a communication network; configuring, in the communication network, a first Virtual Local Area Network (VLAN) and a second VLAN based on the first and second communication paths, respectively, and configuring the sending and receiving nodes to operate according to the Parallel Redundancy Protocol PRP, with first and second communication ports of the sending node and the first and second communication ports of the receiving node assigned to the first and second VLAN, respectively. |
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Improved commissioning of wireless network systems Invention relates to a wireless network system. The network system comprises at least a network device (1) and a connecting device (21). The connecting device (21) comprises a communication interface (2) for transmitting and receiving data via a wireless medium, a second network address of a second network system (35) and configuration memory (28) for storing at least a network address. The network device (1) and the connecting device (21) are configured to operate in discovery mode. Said network device (1), upon receiving said discovery message, enters commissioning mode, wherein the network device (1) provides said connecting device (21) with connection information comprising at least a third network address of said first network system (30). The connecting device (21) stores said connection information in said configuration memory (28), so that said connecting device (21) is addressable in said first network system (30) and said second network system (35). |
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Method of transmitting and receiving control information, communication device and system Method of transmitting control information includes setting corresponding control bits in downlink control information (DCI) format to generate control information applied by a network side to a terminal, where control the bits include validity indication bits and transmission control bits, where indication information is recorded in the validity indication bits, said information indicating whether transmission control performed by the network side on a transmission block is valid with respect to the terminal, and validity indication bits are situated outside the transmission control bits; and transmitting the generated control information to the terminal. |
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Video encoding method and apparatus, video decoding method and apparatus and programmes therefor Invention relates to video encoding and decoding techniques. Disclosed is a method of encoding video using motion compensation with fractional accuracy. The method includes a step of performing motion search to obtain a motion vector, a step of computing reference probabilities in positions of fractional pixels denoted by the obtained motion vector. The method also includes a step of dividing interpolation positions which are the positions of fractional pixels into multiple groups based on the computed reference probabilities; a step of selecting, for each of the groups of interpolation positions, interpolation filter coefficients to be used to generate an interpolated prediction image from among multiple interpolation filter coefficient candidates. |
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Method, system and related device for gsm security Method comprises steps of: obtaining, by a network entity, a network integrity key by adopting a network root key generated in a one-way authentication process with a mobile station (MS); protecting a security start message by adopting the network integrity key, where the security start message at least carries an identifier of an integrity algorithm; sending the protected security start message to the MS, so that the MS protects information by adopting an MS integrity key and the integrity algorithm and sends the protected information to the network entity; where the MS obtains the MS integrity key by adopting an MS root key generated in a one-way authentication process with the network entity, the MS root key and the network root key being the same, and the MS integrity key and the network integrity key being the same. |
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Buffering prediction data in video coding Method includes determining an internal prediction mode for a block of video data included in a coded unit of video data and positioned below a top row of top neighbouring blocks in the coded unit, wherein determination of the internal prediction mode is based on the most probable internal prediction mode, based on an internal prediction mode from other blocks in the coded unit, but not based on the internal prediction mode from top row blocks in the coded unit, coding the block based on the determined internal prediction mode. |
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Signalling of deblocking filter parameters in video coding Method includes decoding a first syntax element defined to indicate whether deblocking filter parameters are present in both a picture layer parameter set and a slice header; when the first syntax element indicates that deblocking filter parameters are present in both the picture layer parameter set and the slice header, decoding a second syntax element in the slice header. |
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Methods for power headroom reporting, resource allocation and power control Power headroom reporting for a mobile terminal may include determining whether physical uplink shared channel (PUSCH) transmission and physical uplink control channel (PUCCH) transmission are allowed in the same subframe; determining whether an event for requesting power headroom reporting is generated; and reporting a first power headroom and a second power headroom to a base station. |
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Method for operation of symbol threshold element in symbol majority decoder Invention relates to computer engineering. The said result is achieved by sending, from a certain number of cells of a syndrome register of a decoder to the input of a computer, verification symbol values of the used code, the contents of which are further sent to a symbol comparison unit and to a unit for determining the occurrence frequency thereof, which makes a decision on an error value, wherein the symbol threshold element includes two memory arrays, one of which stores verification values and the second stores the number of verifications from all possible values thereof arriving at the decoder input. |
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Invention relates to computation and can be used for computation of logical function systems in programmable logical IC. Claimed device comprises the set of n inverters, n sets of transmitting transistors, set of 2n inverters, inverter, 2n sets of zero constituents and m sets of functions computation. |
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Collapsible screened chamber with double screen Chamber comprises rectangular modules, each having a frame from a dielectric material. Each frame is coated at two sides by webs from an electroconductive material, adjacent side edges of neighbouring modules are electrically and mechanically connected to each other, forming solid inner and outer screens, galvanically disconnected from each other. The frame is made of a timber of a square cross section of two types, in the timber of the first type along the middle of one of the sides there is a symmetrical stepped slot, and in the timber of the second type along the middle of one of sides there is a ridge, at the sides of which there are adjoining slots. The specified web on each side of the module is extended to the edges of the module, bent and inserted into the slots of timber of both types, in the slots the web is pressed by a metal strip. |
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Method of forming beam pattern of double-ring digital phased antenna array Invention relates to antenna systems with electronic beam control and use of annular digital phased antenna arrays in mobile and stationary communication equipment. A method of forming the beam pattern of a double-ring digital phased antenna array includes: digitally processing a microwave signal; generating control signals in accordance with data of the required beam pattern and transmitting to exciting signal emitters with an amplitude-phase distribution defined in accordance with a selected criterion; the amplitude Anm and phase φnm of the exciting signals are determined by minimising the function F of the mean-square deviation of the formed beam pattern R(φ) from a given distribution E(φ) of the radiation field of the antenna array, characterised by the lowest side lobe level with a given width of the main lobe, wherein the value of the amplitude Anm is not greater than 1. |
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Method of making photodetector array In the method of making a photodetector array, a channel with a defined depth is etched on the front side of a photosensitive element before hybridisation. During thinning, when polishing reaches the bottom of the channel, owing to the given width of the depression, there is a sharp change in the size of the base region which can be detected visually. At that instant, thinning is stopped - the obtained crystal has even edges and a fixed size defined by photographic masks under the depression. In order to make a depression after etching indium microcontacts, a thin SiO film is sprayed without removing the lower protective and the upper photoresist. Further, photolithography is performed on SiO using a rectangular photographic mask which opens the place under the depression. Further, the method includes plasma-chemical etching of SiO at the site of the depression and wet chemical etching of the depression directly by the required depth. The photoresist is removed, the remaining SiO film is plasma-chemically etched away and the photoresist remains are removed. |
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Invention relates to a novel aqueous polishing composition for polishing semiconductor substrates having polysilicon and silicon oxide dielectric films, and optionally having silicon nitride films. Said aqueous polishing composition contains (A) at least one type of abrasive particles, (B) 0.001-5.0 wt % of at least one water-soluble polymer, (C) at least one anionic phosphate dispersant. The abrasive particles (A) contain or consist of cerium dioxide, are positively charged during dispersion in an aqueous medium, are free of component (C) and have pH in the range of 3-9, which is confirmed by electrophoretic mobility. Component (B) is at least one water-soluble polymer selected from a group consisting of straight and branched alkylene oxide homopolymers and copolymers. The invention also relates to a method of polishing substrates for electrical, mechanical and optical devices using said aqueous polishing composition. |
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Waveguide window for input and/or output of microwave energy Waveguide window for input and/or output of microwave energy comprises two waveguides placed (1, 2) one above the other and closed at one end by walls (3, 4) respectively. The waveguides are interconnected from the side of wide walls by an opening (5), whereto a rod (6) in inserted and fixed to at least an outer wide wall of one of the waveguides. The rod is surrounded by a leak-proof dielectric partition (7) having a view of a lathe object. According to one of the alternatives for matching within a preset frequency band, a ring (8) is fixed to a wide wall of one of the waveguides. |
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Mine scanning aero gas monitoring system System includes a set of mobile warning devices containing a sensor network detector of the intra mine environment. Base stations for the collection of information from such detectors are installed in the mine. Mobile devices and base stations are fitted with Wi-Fi transceiving devices. At least one controller of the cluster of base stations is fitted with devices of digital communication with the base stations and head office. The system includes land and underground routers, a unit of analyser of signals from mobile devices for alerting and alarming on the gas contamination level. Each mobile device in addition contains a positioning unit for the identification of position with reference to the base stations. Data collection base stations are installed in mine roadways so that in each point of the roadway to provide the reception of a signal by alerting mobile devices at least from two base stations. |
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Invention is referred to batteries recycling method by breaking or crushing of waste batteries in order to produce recycled materials, and this method includes the following stages: sorting multitude of batteries into groups by their manufacturing technology; removing batteries with button cells from the above groups; breaking the above groups of batteries into particles equal to approximately one quarter of inch or less in order to obtain final mass of particles; removing ferromagnetic material from final mass of particles, delivering final mass of particles for treatment process or remelting in order to produce recycled materials; at that breaking of batteries is performed initially at temperature of 40-50°C using cyclone for removal of emitted gases, thereafter the received mixture through an air permeable transportation pipe is delivered for final crushing. |
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Systems and methods for providing wireless operation for electronic devices Disclosed are modules, systems and methods for providing wireless operation for electronic devices. A module comprises a housing, module leads, a wireless transmitter, a first electronic component and a power supply. The size of the housing allows removable insertion of said electronic device into a power supply holder. Module leads are in contact with corresponding leads of the electronic device. The first electronic component is configured to receive source data from the electronic device through a module lead and transmit said source data using the wireless transmitter. The method includes inserting the module into the power supply holder of the electronic device, receiving source data from the electronic device and transmitting said source data of the device using the wireless transmitter. |
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Semi-bridge self-maintained inverter Semi-bridge self-maintained inverter comprises divider of input supply voltage at two in-series capacitors, two in-series field-effect transistors, transformer, load coil and control circuit supply coil, control element, current-limiting resistors, frequency-setting circuit, trigger circuit and rectifier with filter capacitor to supply the control circuit. Voltage comparator is used as the control element with balancing circuit connected additionally to its input. The field-effect transistors have different type of conductivity: n-type and p-type. Aforesaid elements are interconnected in such a way as pointed out in application materials. |
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Method for fast link layer handover in heterogeneous networks Invention relates to wireless communication. When handing over a multi-mode patient monitoring device (PMD) (28) between radio access technology (RAT) networks, a serving access point (AP) (12, 16, 72), with which a communication link is established by the PMD (28) over a first RAT network (RAT-1) to permit the PMD to communicate with a hospital IP network (18) via the serving AP (12, 16, 72), is used. A scanning interface (14, 54, 74, 104) collects information regarding other available RAT networks and candidate AP therein. If the RAT-1 communication quality of service falls below a predetermined threshold, the serving AP (12, 16, 72) delivers information regarding the candidate AP (22, 24, 26) and their RAT networks to the PMD (28). The PMD (28) selects a candidate AP (22, 24, 26) as a target AP, and initiates a handover to the target AP. |
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Wire based on oxide superconductor and superconducting coil Wire based on an oxide superconductor includes a layer structure with a superconductor, which comprises a substrate formed as a tape, and an intermediate layer, a layer of the oxide superconductor and a stabilising metal layer, which are layered onto the substrate, and a layer of the insulating coating, which is used to coat the external surface of the layer structure with the superconductor, at the same time either the entire outer surface or the entire inner surface of the layer of the insulating coating is coated with a fluorine rubber layer. |
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Multiple-input multiple-output (mimo) communication Invention discloses a method of supporting multiple-input multiple-output communication with a base station of a wireless communication network, user equipment and a computer-readable medium. The method comprises steps of establishing transmission permission associated with a secondary stream; and determining the size of a transport block for said secondary stream according to the relationship between the transmission permission and the size of the transport block, wherein said relationship differs from a primary relationship between the transmission permission and the size of the transport block used to determine the size of a primary transport block for a primary stream. Use of this approach, wherein a distinct relationship, conversion, function or look-up table is used to retrieve the size of the transport block for the secondary stream, relative a relationship, conversion or function used to retrieve the size of the transport block for the primary stream from the transmission permission of the primary stream, enables to use different sizes of transport blocks, wherein each can be suitable for its own associated stream. |
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When generating a reference signal, a physical downlink control channel is used for demodulation, wherein physical downlink control channel signalling is embedded in a physical downlink shared channel, and the demodulation reference signal is included in a control channel element. When performing blind decoding, user equipment obtains blind decoding indication information from a base station, the blind decoding indication information including an indication of a search space in which the user equipment performs the blind decoding. The search space includes a control channel element of a traditional physical downlink control channel and further includes a control channel element of a pre-coded physical downlink control channel; and performs blind decoding with the number of search cycles indicated by the blind decoding indication information in the search space indicated by the blind decoding indication information, according to the blind decoding indication information. |
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Snap-action adjustment mechanism for circuit-breaker in moulded case Circuit-breaker includes a fixed contact, a movable contact, switching unit, actuating lever, disconnecting unit and arc-quenching unit. The circuit-breaker is coupled to the main circuit in order to ensure passage of current. The disconnecting unit comprises stationary magnet, armature and mechanism of snap-action. Stationary magnet is placed in the main circuit and intended to create magnet force when current deviating from the rate value if generated in the main circuit. Armature is designed so that it can rotate and contact the stationary magnet, at that one side of the armature is placed at fixed distance from the stationary magnet while the other side forms stepped slant surface at that. The mechanism of snap-action is designed to contact stepped slant surface of the armature and to perform linear motion to the left or to the right in order to adjust the distance between the stationary magnet and armature for the purpose of its turning, thus allowing adjustment not only between the stationary magnet and armature but also setup of current value deviating from the rate value and actuating the disconnector. |
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Collision reduction mechanisms for wireless communication networks Method of reducing collisions includes a step of wirelessly communicating with one or more stations which are divided into one or more groups, a step of generating a message which identifies one or more time periods during which each station of a first group from the one or more groups is permitted to contend for a communication channel or restricted from contending for the communication channel, and a step where the message is transmitted. |
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Terminal device, base station device, transmission method and receiving method Retransmission (ARQ) is used for communication which uses an uplink unit band and a plurality of downlink (PDCCH) unit bands associated with the uplink unit band. A control unit in said device selects one value from values obtained by adding 1 to four PUCCH resource indices, which have been preset for PUCCH resource 1 by a base station, based on the values for transmission power control information in a PDCCH, for which notification has been received at the start of SPS. |
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Method for erosive copying silicon carbide structures Method includes application of several semiconductor substrates, on all surfaces of which electricity-conducting layer is created, substrates are collected in form of package, with electric discharge being initiated in mode of melt formation, before initiation of discharge, in package formed is at least one through hole, which possesses specified shape, geometrical dimensions and axial symmetry, and axis of which is oriented strictly parallel to profiling electrode, with realisation of further initiation of electric discharge in mode of melt formation under conditions of profiling electrode movement around hole on specified trajectory, copying its contour. |
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Implementation of the method involves supply to an amplitude modulator of a pulse low-frequency control voltage relative to activation of power of a laser diode with time delay Δt determined based on the following: Δt≥Δtmin=100(11-5α)tL, where Δtmin is a minimum value of supply delay time to the amplitude modulator of pulse low-frequency control voltage, tL is life time of an active centre of laser medium at the upper level of signal transition, and α = P p u m p P p u m p t h r e s is a pumping parameter showing excess pumping power Ppump over the threshold value P p u m p t h r e s . The range of variation in α value for implementation of an equal bundle of pulses is within 1.6≤α≤2.0. |
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In a thermoelectric battery thermal element anisotropy of thermal conductivity is artificially created. The thermoelectric battery comprises thermal elements, branches of which are made of semiconductors of p- and n-type, divided by electric insulation, and switching plates, at the same time branches of thermal elements are made at the angle relative to heat-absorbing and heat-releasing surfaces of the thermal element, and current height of the branch Lc is selected in the range where h - dimensional height of the thermal element branch, mm, Lc - current height of the thermal element branch, mm, δ - element-to-element gap between branches of p and n types (electric insulation), mm, kmat - average integral specific heat conductivity of thermal element material, λ - medium - specific heat conductivity of the medium filling the gap δ between branches, At the same time cross section of the thermal element branch parallel to current lines is a parallelogram with the angle of inclination α of the base to the heat-absorbing side of the thermal element, or a chevron, parallel or equidistant sides of which adjoin the heat-absorbing and heat-releasing sides of the thermal element, or a circular sector, toroidal surfaces of which form side surfaces of thermal element branches, and surfaces that adjoin the heat-absorbing and heat-releasing sides of the thermal element, are equidistant to these surfaces. The angle of inclination of the thermal element branch to the heat-absorbing side α shall be equal to or more than the value determined from the ratio |
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Device contains the thermoelectric generator with the hot side absorbing heat from the heat source, the cold side giving up heat to the heat sink and electric connections for giving up the electric energy with output voltage, the electric circuit with the maximum allowable input voltage the inputs of which are connected to electric connections of the thermoelectric generator absorbing heat from the heat source. The thermoelectric generator (1) contains the thermoelectric element consisting of n-layer (2) and p-layer (3) of the thermoelectric material with formation along the boundary layer of p-n-transition (4). Parallel to the boundary layer between the hot and cold sides (5, 6) of the thermoelectric generator (1) the temperature gradient is applied. N-and p-layers (2, 3) of the thermoelectric generator (1) have the thickness (11) at which the saturation of the output voltage (S1, S2, S3) occurs below or at achievement of the maximum allowable input voltage of the electric circuit (9). |
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Connection module comprises an isolating transformer of coaxial type with an open magnetic conductor, onto the primary winding (1) of which outside and at the side of its fixation to the CM (3) body there are copper magnetic screens (10) installed, the secondary winding (2), fixed to a high-voltage connector (4), which in its turn is installed on the rear wall of the CM body, a current transformer (5), a high voltage bleeder (7), the upper arm of which is made in the form of a structural reservoir, a water cooling system (6), arranged in the expansion volume of the CM body, a unit of control sensors (8) and a unit of oil filling and drainage (9). |
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Device contains: power direction monitoring unit, start-up unit of minimum frequency, resistance relay, the first logic unit, the first timer, the first minimum voltage monitoring unit, the second logic unit, the second timer, the third logic unit, the first actuating unit, the second minimum voltage monitoring unit, the third timer, and the second actuating unit. The first timer is output of minimum frequency protection with monitoring of power direction. The second timer is output of the first stage of minimum voltage protection with monitoring of power direction. The third timer is output of the first stage of minimum voltage protection. The first actuating unit cuts off input of busbar section that lost power supply and kills field of synchronous motors at the busbar section that lost power supply. The second actuating unit cuts off electric motors. |
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Mobile communication method, radio base station and mobile station Invention relates to wireless communication. The mobile communication method includes: a step of notifying, by a radio base station (eNB), configuration information of a CSI-RS (channel state information reference signal) of a CoMP transmission point to a mobile station (UE) connected to a cell managed by the radio base station (eNB), when instructing an addition or change of the CoMP transmission point performing a CoMP transmission/reception process by "RRC Connection Reconfiguration"; a step of measuring, by the mobile station (UE), CQI (channel quality information) of the CoMP transmission point by using the CSI-RS of the CoMP transmission point, while performing the CoMP transmission/reception process; and a step of notifying, by the mobile station (UE), the CQI of the CoMP transmission point to the radio base station (eNB). |
Another patent 2551208.