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JP2002125390A |
To provide a method and a device for controlling the action of a multi-phase motor, especially for rotating a motor from inactive state to operable state.The electrical properties of one or more pieces of phase winding are detected initi...
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JP3275898B2 |
To prevent a false current control from being applied in a drive, which has the function of starting at high torque, applying braking when approaching a target position, and controlling energization. A microcomputer outputs a drive comma...
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JP3276859B2 |
To control a motor in response to switch operation independently of the state of a control circuit. A first control circuit F outputs a first signal with a specified period in the case of normal state, outputs a third signal controlling ...
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JP2002115632A |
To reduce a load of a secondary battery.This engine starting device comprises: the secondary battery 3; a hyper capacitor (electric double layer capacitor) 6 connected in parallel with the secondary battery 3; a cell motor 1; and a start...
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JP2002113051A |
To improve usability by enabling a rapid start, corresponding to the temperature change in a circumstance.A current limiting control circuit 20 of an electric actuator is provided with a temperature detecting element 21 for detecting the...
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JP2002106256A |
To provide a detector for detecting catching/non-catching in a window glass highly precisely and easily detecting the catching from only a control side irrelevant to the performance of a motor side.A duty signal of a prescribed duty rati...
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JP3272472B2 |
PURPOSE: To reduce power consumption by connecting a positive characteristic thermister for starting and control means for interrupting a start winding current upon completion of starting in series to the start winding. CONSTITUTION: If ...
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JP3272493B2 |
PURPOSE: To provide a starting device which can reduce the power consumption of a single-phase induction motor and, at the same time, can restart the motor in a short time. CONSTITUTION: This starting device is composed of a starting PTC...
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JP2002510189A |
The driver circuit (10) comprises a first triac or the like (11) for connection in series with the stator winding (5, 6) of the motor between the terminals (12, 13) of an alternating-current voltage supply, the gate of the first triac (1...
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JP2002095276A |
To provide an apparatus for stopping a motor capable of stopping the motor without contacting with a stopper when a CPU runs away.Output signals of an upper limit switch 33, a lower limit switch 24 and a watch dog timer 102 are input to ...
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JP2002089421A |
To solve problems of a starter current-carrying circuit at low cost that, a starter motor requires 400-500 A in starting, however, a rush current is generated at an initial time of starting the current-carrying, a large current such as 1...
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JP2002085145A |
To provide a shock absorber which can prevent generation of vibration by reversal motion in a case a heating device is move in swing motion at time intervals so as to enable hair treatment promotion to be accurately carried out.In a heir...
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JP2002081383A |
To provide a starting load reduction circuit of a compressor in a cooling storage house in which a starting property of the compressor is enhanced.When the temperature at the inside of storage house is raised, a resistance value of a the...
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JP2002508649A |
A dual stator winding induction machine has two windings with input terminals which are supplied separately with drive power. The two stator windings have a different number of poles to essentially eliminate the magnetic coupling between...
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JP2002508648A |
A motor starter circuit providing recovery of the energy trapped in the motor windings when the supply voltage and current have opposite polarities by selectively controlling actuation of a plurality of high speed switches. The circuit, ...
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JP3266291B2 |
PURPOSE: To provide a controller, which is used together with a usual motor and gets off with minimum wiring work and has superior versatility in feasibility, concerning the controller for a motor a rotary blind having two rotational dir...
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JP3263556B2 |
PURPOSE: To improve the drive circuit for servo motor. CONSTITUTION: The drive circuit comprises a section 21 for detecting the actual rotational speed of a servo motor M to produce a digital data indicating the detection results, i.e., ...
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JP3263287B2 |
To start an asynchronous machine quickly by a method, wherein a stator flux and a rotor flux have a same phase to make a generated moment zero and the supply frequency of an inverter is synchronized with the revolutions at which the roto...
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JP3255927B2 |
An electrical circuit for a switch having a lockout feature is described. The circuit permits both a primary operator and an auxiliary operator to operate a bi-directional motor by activating separate low-current switches. The circuitry ...
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JP3252732B2 |
To provide a motor control device capable of realizing the stable start in the low speed rotation. A compensating means to produce the control signal of a motor comprises a speed error preparing means 24 to prepare the speed error by the...
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JP2002032952A |
To reduce the power consumption of a spindle motor and to reduce the noise at actuation time while securing the reliability of the actuation of the motor.An actuation signal corresponding to a minimum required actuation current for actua...
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JP2002033065A |
To provide an X-ray tube rotary positive electrode starter device capable of preventing malfunction even if the impedance is changed by the heat of a rotary positive electrode stator coil.A commercial power source 1 is converted to the d...
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JP2002027773A |
To solve the problem of starting time becoming longer if speed overshoot of a motor on the occasion of its start is prevented, when the speed of the motor is controlled having a speed control system and a current control system.In a spee...
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JP2002027769A |
To provide a motor-operated retractable door mirror module which is easy to restart after a stop of the opening and closing of a door mirror.A battery power source 1 is connected to switches 2a, 2b. The switch 2a is connected to one powe...
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JP2002008502A |
To provide a starting switch which is capable of reducing electric consumption.The starting switch 50 comprises a resistance element 54 which is structured to be capable of connecting with a prescribed current channel and has the propert...
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JP2002002454A |
To quickly return a wiper blade to a storage position without operating a wiper switch, when the wiper blade is stopped in a midway of a windshield or a rear glass when electric power is fed.When a driver turns off an ignition switch 2 f...
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JP2002004717A |
To provide a power window drive control device with a simple device composition, capable of conducting the highly accurate low-cost detection of pinching foreign matter.In a reference circuit (QB, R66, CMP2, R61, C61, R62, and TR61) for ...
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JP3244608B2 |
PURPOSE: To suppress time lag fluctuation due to mechanical backlash before actual start of the operation of an object to be driven when rotation of a motor is started. CONSTITUTION: The motor starter circuit comprises a polarity inversi...
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JP2001359291A |
To provide a motor control circuit, including a motor protection circuit, which is formed in a simplified structure using few number of structural elements and moreover low price structural elements.This motor control circuit includes a ...
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JP2001357579A |
To set the optimum initial bias at the time of starting a motor by making the influence from the outside reflect to the initial bias.In a controller 2 for bias group, the initial biases are computed for every detection result outputted f...
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JP2001349135A |
To prevent malfunction of a motor of a drive even if a submersion accident happens, the drive being driven by activating relays for supplying power source to the motor 1 according to an operating condition of an operating section and for...
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JP2001349286A |
To provide an operation control system and method for a pump that can offer a slow stop even upon a service interruption and can reduce the size and weight of a pump.The operation control system for a pump comprises a battery 17 as an au...
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JP2001349136A |
To provide a power window apparatus which positively detects nipping in a short period of time, and minimizes malfunctions such as erroneous halting or inversion of window opening/closing operation when the window is not fully opened, fu...
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JP2001341531A |
To prevent the malfunction or the like of a motor even in case of a submergence accident in a driving device for rotating a motor 1 normally or reversely by actuating each relay for supplying the motor 1 with power according to the opera...
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JP2001339990A |
To provide a star-delta control device which changes the motor current and torque without step by seamlessly switching star connection and delta connection, and improve comfort for passengers.A connection control circuit using the star-d...
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JP2001339970A |
To provide an energizing control method which enables to suppress inrush current immediately after energizing a motor and securely operate the motor.An actual current Ia which flows in the motor 31 and a designated current I3 which is pr...
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JP2001339918A |
To provide an overload-protection unit having high reliability capable of cutting down power consumption, reducing the size and cost and controlling temperature rise, and also to provide a closed electric compressor having the overload-p...
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JP2001298977A |
To provide a uniform and multi-purpose device and method since a new method is required to adjust a start current to an electric motor. A data processor control system for controlling current to a circuit is provided with a current limit...
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JP2001292585A |
To provide an apparatus for limiting and monitoring the revolution of a motor, which can surely detect the condition where a motor cannot be started, also can accurately detect the waiting time until the re-start becomes possible and can...
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JP3219355B2 |
PURPOSE: To put components in common use for the rationalization of assembly by placing a screw terminal with tab, installed on a lid, on the center line of a pin terminal which is included together with a tab terminal in conductive hard...
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JP2001279541A |
To provide both an inverter device for textile machine capable of eliminating the need of control at a high level and carrying out the operation control of a motor during momentary power failure with a simple system and the control syste...
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JP2001277909A |
To correctly memorize the correct position of a seat when motor power is transmitted to a movable member of the seat through a flexible member. This motor-driven seat device 1 memorizes the seat position by transmitting the driving force...
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JP3215422B2 |
A dishwasher comprising: a wash chamber adapted to accommodate dishes and within which wash liquid is circulated, a rack within said chamber which supports dishes above the floor of said chamber, a rotatable spray arm having liquid disch...
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JP2001275392A |
To achieve high-speed rising on starting in a motor-control method and device. A level B that is lower than an overcurrent value (level A) of an overcurrent protection function and a level C that is lower than the level B are set, a moto...
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JP3215263B2 |
PURPOSE: To enhance operation rate of a plant by selecting the motors depending on the number of sound inverters upon failure of inverters within a predetermined number during restart operation and restarting the selected motors. CONSTIT...
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JP2001262937A |
To provide a submerged condition detection power window device, wherein submerged condition detection circuit 5 and a drive circuit operating at the time of submerged condition detection 9, and a motor 1 is automatically driven by operat...
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JP2001258224A |
To reduce the size and weight of the reactor for short-circuit current prevention and control degradation in power factor in a synchronous motor that switches between a variable power supply and a commercial power supply using switching ...
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JP2001258281A |
To realize smooth control of reversible switching time, easier measurement of soft start/stop time and a method of double-interlock of a reversible non-contact contactor to be used for reversible operation of an induction motor.A reversi...
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JP2001251876A |
To obtain a motor control unit which can control a motor without having to conduct troublesome operations of a power source switch.While a motor is operated (step 100), it is judged whether a a no-load state is continuing (steps 110, 120...
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JP2001238476A |
To provide a motor-control circuit, having a motor protection circuit that has a small number of components and a simple configuration, using inexpensive components.This motor-control circuit is provide with a current detection resistor ...
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