RusosPatentes.com
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Device for potential separation of dc circuits. RU patent 2469392. |
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FIELD: electricity. SUBSTANCE: device comprises an amplifier - limiter, an amplitude modulator with transformer separation of an "input-output" circuit, a summator, an integrator, a relay element, a unit of a logical function "Equivalence", a frequency divider, a separation transformer, a rectifier (demodulator). EFFECT: improved accuracy of device operation and reduction of weight and dimensional indices. 4 dwg
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Continuous-logic device / 2465643 Device has five comparators, five closing and five opening switches. |
Multizone frequency-pulse-duration alternating voltage controller / 2461875 Multizone frequency-pulse-duration alternating voltage controller has a terminal, a setting signal source, first and second adders, an integrator, first, second and third relay elements, first, second, third, fourth, fifth and sixth comparators, first, second and third D flip-flops, first, second and third power switches, a load distributed on phases A, B, C, terminals for connecting a three-phase voltage source A, B, C, and output terminals. |
Analogue-digital zero current sensor / 2460134 Device has a signal source, an input four-terminal network, an adder, an integrator, a relay element, a switch element, a four-terminal feedback network, a nonlinear link with a dead zone, two univibrators, a count pulse generator, an adding counter, a memory register, a digital comparator, a binary signal source, a delay element and logic elements AND, OR and NAND. |
Multi-zone analogue-discrete current sensor / 2459249 Multi-zone analogue-discrete current sensor has a first and a second operating four-terminal network, a group of switch elements equal to the number n of relay elements, a pulse generator, a univibrator, a first and a second NOT logic element, a first and a second three-input AND logic element, a delay element, a first and a second binary counter, a first and a second memory register, an arithmetic-logic unit, which compares codes, counts the number of '0' and '1' signals, and also performs the inhibit function if the number of '0' and '1' signals is not equal. |
Signal mixer / 2452010 Signal mixer comprises a multiplying Hilbert cell, the first and the second output transistors of the channel "Y", the first and second dividing separators, from the first to the third current-stabilising dipoles, a load circuit, the first and second additional transistors. |
Analogue mixer of two signals with output cascode / 2450353 Analogue mixer of two signals with an output cascode comprises an input multiplying Gilbert cell, the first and second output transistors, the first and second load resistors, the first and second additional resistors, the first and second current-stabilising dipoles. |
Analogue mixer of two signals / 2450352 Analogue mixer of two signals comprises an input multiplying Gilbert cell, the first and second additional transistors, the first and second load resistors, the first and second additional resistors, the first and second dipoles with low differential resistance by AC, the first and second circuits of static mode setting, the first and second additional current-stabilising dipoles. |
Device for the knapsack problem solution / 2443013 FIELD: computational engineering. SUBSTANCE: additional groups of m fifth I elements, a delay element, a trigger, a group of elements, a group of sixth registers were introduced, wherein the output of each of them being connected to the first input of the fifth I elements group, the second input of which is connected to the startup unit, the delay element input is connected startup unit, its output being connected to the first trigger input and the second input of which is connected to the counter overflow output and the output being connected to the second I element input. EFFECT: enhanced the functional capabilities of the device with reference to fast determination of optimum knapsack filling with various items in such a the total value of the knapsack is as large as possible, its total weight being fixed. 1 dwg, 1 dwg |
Discrete-analogue device / 2432611 Device has five analogue multipliers, four analogue subtractors and three analogue adders. |
Discrete-analogue device / 2427036 Device has first and second analogue subtractors, first and second analogue multipliers and an adder. Analogue values (one or zero) or discrete values (with logic level one or zero) enter first, second and third data inputs in parallel. An additional data input of device "1" from which the value of the signal entering the third data input of the device is subtracted. |
Alternating voltage regulator / 2468410 Into alternating voltage regulator containing control element of step-by-step action actuated between inputs and outputs, and also counter, sync pulse former connected by input to input outputs and by output to counter inverting input, and comparing unit which first input is connected to output of duration codes converter and the second input is connected to counter output, there included are two units "log. AND" and unit "log. OR", RS-trigger, which setting input is connected to comparing unit output, and reset input is connected to high-order bit with counter output, direct and inverse outputs of trigger are connected to inputs of units "log. AND", converter of reference level codes to which input control code is sent and which output is connected to input of unit "log. AND", converter of final level codes to which input control code is sent and which output is connected to input of unit "log. AND", converter of duration codes to which input control code is connected. |
Voltage regulator / 2467376 Voltage regulator is designed for use in power supply systems for regulation, including stabilisation, of single-phase and three-phase voltage of an AC power source, and also for regulation, including stabilisation, of DC voltage. The voltage regulator comprises a computing-metering unit, and at least one regulating unit, at the same time it additionally comprises a tuning unit and a memory unit, besides, the first output of the computing-metering unit is connected to the input of the regulating unit control, and a power input of the regulating unit is connected with an appropriate input of the voltage regulator, a power output of the regulating unit is connected to an output of the voltage regulator, the input and output of the voltage regulator are also connected with inputs of measurement of input and output voltage of the computing-metering unit accordingly, the second of the outputs of the computing-metering unit is connected to the input of the tuning unit, and the output of the tuning unit is connected with the input of the memory unit, besides, the output of the memory unit is connected with an appropriate input of the computing-metering unit. |
Voltage stabilisation device on high side of transformer substation of organisation / 2461949 Three-phase voltage stabiliser includes booster transformer and three-phase switch connected to a pocket of star of secondary winding of booster transformer, which is connected to secondary winding of power transformer. Primary windings of power transformers of substations are connected to networks through primary winding of booster transformer to which three-phase capacitor unit is connected in parallel and phase by phase. One more heating element that supplements the operation of the main heaters of transformer substations users is connected to terminals of three-phase switch. |
Source of reference voltage / 2461864 Device contains the first transistor connected to emitter of the second transistor by emitter, the first resistor engaged between emitter of the first transistor and common bus, the second resistor engaged between collector and base of the second transistor, the third transistor connected to collector of the first transistor by emitter, collector of the third resistor is connected to field transistor (FT) input and its base is connected to the point of connection of base of the fourth transistor, collector of the fourth transistor and FT output, emitter of the fourth transistor connected to base of the second transistor and is output of the device, FT power output is connected to power bus. |
Reference-voltage source / 2449342 Device contains the first transistor by its emitter connected to the second transistor's emitter, the first resistor connected between emitter of the first transistor and common bus, the second resistor by its first output connected to the point where the first transistor base is connected with the second transistor collector, the third transistor which base is connected to the second transistor base and to device output, emitter of the third transistor is connected with emitter of the second transistor, collector of the third transistor is connected to the source of the first field transistor, which gate is connected to power bus and its drain - to the base of the fourth transistor, the third resistor is connected between source of the first field transistor and power bus, the second field transistor by its source connected to collector of the first transistor, by its gate - to power bus and by its drain - to the point where base and collector of the fifth transistor is connected with the base of the sixth transistor, emitters of the fifth transistor and the sixth transistor. |
Reference-voltage source / 2447477 Device contains the first transistor connected by emitter to the emitter of the second transistor; the first resistor is included between emitter of the first transistor and common bus; the second resistor is connected by the first output to the point of connection of the first transistor base with collector of the second transistor, the second output of the resistor is connected to the second transistor base and to device output; the third resistor is connected to power bus by the first output, the third transistor and field-effect transistor (FET), at that collector of the first transistor is connected to power bus, the third transistor base is connected to the second transistor base, its emitter is connected to emitter of the second transistor and collector of the third transistor is connected with the second output of the third resistor and FET source, which gate is connected to power bus and drain is connected to device output. |
Ac voltage controller / 2399084 In AC voltage controller, comprising control element of discrete action connected between inlet and outlet terminals, control inlets of which are connected to outlet of arithmetic device, connected by the first inlet to control inlets of AC voltage controller, by high-order bits of the second inlet - to source of logical zero signal, and by its low-order bit - to outlet of comparator, the first inlet of which through chain of cascade-connected shaper of clock pulses and binary counter is connected to inlet terminals of controller, converter of codes is introduced, connected by inlet to control inlet of controller, and by outlet - to the second inlet of comparator, as well as decoder, also connected by inlet to control inlet of controller, and by outlet - to control inlet of arithmetic device. |
Method for stabilisation of current in series of aluminium electrolytic cells / 2398343 Invention may be used to stabilise process mode and to increase efficiency of electrolytic baths. Method includes system of automatic control of power thyristors of rectifying unit designed for power sufficient to compensate current reduction during anode effects at electrolytic cells of series connected to rectifying set, rectifying unit is connected parallel to rectifying unit. |
Voltage and transmitted power regulator / 2356081 Application: in complex closed alternating-current mains. The device contains two power transformers, rectifier, condenser, first and second inverters, first and second control units. Also first and second measuring voltage transformers, measuring current transformer, voltage measuring unit, unit for measuring power transmitted via line, logic unit are introduced. |
Adjustable autotransformation reactor / 2352010 Device includes magnetic conductor with main core carrying network winding with taps, compensation winding and control winding circuited to control unit. Network winding outputs are connected to primary winding of voltage amplification transformer over excitation adjustment unit, while secondary winding of voltage amplification transformer is connected to power transmission line splitting. Control winding covers main core. Voltage amplification transformer features compensation winding. High harmonic filters are connected to compensation windings, and control unit and excitation adjustment unit are made of fully adjustable semiconductor devices. |
Limit current stabilization dc voltage pulse converter control method / 2249842 Output pulse-width signal for controlling adjusting member of converter is got as a result of conjunction of two pulse-width signals. First signal is formed on the base of voltage error signal, the second signal - on the base of current error signal. Level of current error signal is subject to correction depending on value of demodulated output pulse-width signal for controlling adjusting member. In case the output signal reaches preset limit value and converter switches from voltage stabilization mode to current stabilization mode, the error of stabilization of converter output current can be reduced. |
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