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Patent Searching and Data


Matches 1,651 - 1,700 out of 10,393

Document Document Title
JP3830286B2
To provide a wiper control device furnished with a wiper motor free to reciprocally rotate. A wiper control device 1 is furnished with first and second relays RL1, RL2, a first driving circuit 13 connected to the first relay RL1 and a fi...  
JP2006262641A
To shorten a searching time of an initialization pattern with regard to a servomotor and a servomotor driving device.A pulse signal having a different pattern change from the termination of the initialization pattern is outputted from a ...  
JP3825137B2
To reliably stop the rotation of a motor at any time during a short period irrespective of the environment in which the motor is used by correcting the impressing time of the braking signal in accordance with the detected power source vo...  
JP2006238638A
To effectively suppress thermal expansion of a sheet film and to conduct a processing of the sheet film, for example optical processing (for instance optical transfer and exposure or the like of an image) with high accuracy, by taking me...  
JP2006230084A
To provide a highly reliable dynamic brake capable of consuming an electromotive force, even if failure occurs in a system including any of a plurality of resistors, in a system including the other resistors.An alternating current is con...  
JP3815989B2
To provide a power window device detecting bite with the reduced storage capacity of a reference value memory 13, using the average operation parameter of divided movement regions moved immediately before, as the reference value of each ...  
JP3812712B2
To exactly detect a rotational speed and the number of revolutions of a brush-type DC motor with a simple and spaceless configuration, and to enable an effective rotation control. A pulse-number count means 151 of a motor-control circuit...  
JP3814061B2
To provide a motor control circuit for a multipole brush motor which protects a semiconductor element from a short circuit current when stopping a motor and, at the same time, can realize soft stopping, by relieving the brak ing force ap...  
JP3811558B2
To make it possible to close a valve perfectly, and to prevent breakage of a gear, etc., caused by obstruction caused by a foreign matter, by detecting the malfunction of the valve. A current quantity detecting element 52 detects the qua...  
JP3813856B2
To provide a motor drive controller which can eliminate the difference between the actual load position and the recognized position, which is produced after resetting to practice precise control. This motor drive controller has a microco...  
JP3812570B2
To enable continuous travel of a vehicle without overdischarge of a battery even at a time of failure of a motor and a generator in a control device for a hybrid vehicle having the motor 3 and an engine 2 generating driving force of the ...  
JP3812048B2
To achieve a judgment being strong against disturbance without delaying the judgment time, by decreasing sensitivity for pinching a foreign matter while time when the fluctuation value of detection operation state operates as a load agai...  
JP2006518980A
The circuit has a controllable switch connected to a DC motor, and a brake circuit exercising brake short-circuit to the motor. A MOSFET transistor (M3) has an anti-parallel diode and is connected in series to the brake circuit to produc...  
JP3809911B2
To provide a raindrop sensing type windshield wiper system for improving wiring structure between a multi-functional switch (20) and a rain sensor module (10) to reduce weight and cost of a wiring harness, wherein the sensitivity of the ...  
JP2006211782A
To provide a small and inexpensive servo controller having a ground fault detection function.This servo controller, consisting of: a converter section 3 for rectifying an AC power supply and generating a DC power supply; and a plurality ...  
JP3806577B2
To provide a motor PWM drive circuit which does not need two types of input signals, i.e., a speed control input signal and an S/S input signal, which a conventional circuit needs. A start/stop signal is generated from a PWM pulse signal...  
JP3806678B2
To provide a power supply device that detects the abnormality of an AC power supply and stops a short-circuit operation. An input cycle of a zero cross signal from a zero cross detection circuit that detects the zero cross point of the A...  
JP3807352B2
To reduce the number of times for making an initial setting by reducing an overrun angle of an electric motor during the timing from the stopping to the restarting of a motor control unit. When the motor control unit 220 is stopped by a ...  
JP3807335B2
To provide a motor control method and a motor control device displacing a movable part of the motor or a driven object driven by the motor in higher accuracy than in the past to a target displacement amount even when it is in a fine quan...  
JP3805657B2
To provide an electric power steering device in which a booster circuit is not broken even in the case where a motor becomes in the regeneration state. The booster circuit 100 is provided at a current feed circuit between a battery and a...  
JP3804341B2
To provide an inverter-controlled motor which can reduce protective operation at regenerating operation of an inverter-driven induction motor. An inverter-controlled motor contains a converter section 15 which converts AC power of an AC ...  
JP3804535B2
To control the quantity of inflow air to a radiator at a stop of a motor fan by a low-cost method. When the supply of power 3 to a motor 1 is stopped, the terminals 1a and 1b of the motor 1 are short-circuited. When a fan is rotated by t...  
JP3803489B2
To obtain a controller for a motor, wherein the nonconformity of the drive of the motor stops immediately can be avoided for surely preventing the damage to the motor. Sensing the feeding currents to a motor 1 with current sensors 12, 13...  
JP2006197766A
To prevent an occurrence of malfunction in a system when an instruction to turn off the system is issued.When an instruction to turn off the system is issued, control is carried out so that driving of the motor of a motor-operated coolin...  
JP3800917B2
To provide a motor controller capable of smoothly stopping a motor in terms of motor deceleration. The motor controller controls the speed of the motor M, based on the feedback information (encoder signal) from the motor. If the pulse wi...  
JP2006187058A
To provide a voltage feeder capable of utilizing a power supply charged by a counter electromotive voltage of a motor as a power supply of a small signal circuit.This voltage feeder includes: a power supply section 11 for supplying a pre...  
JP2006166504A
To provide an inverter apparatus for preventing a cost and a size from increasing, and also preventing switching elements and a DC power supply from being damaged.A controller 11 turns on the switching elements 3, 5, 7 when a three-phase...  
JP3783359B2
To provide a motor driving circuit which can maintain a stop position precision even if a motor is rotated at a high speed. In a normal driving rotation, driving currents are supplied to two coils La and Lb so as to have a phase differen...  
JP3782076B2
To provide a plant controller which can simplify an electric brake device. This plant controller is made to apply an electric brake by outputting a command value to the effect that it should zero an exciting current to an excitation curr...  
JP3781221B2
To suppress speed variation and torque variation, by permitting a braking resistance to discharge DC voltage in this regenerative braking device, and setting a braking setting value for starting the discharge at a setting voltage value l...  
JP3780804B2
To provide a motor control unit and a control method where positioning accuracy of the stop position of an object to be driven of a motor is high. This motor control unit is equipped with a stop position predicting control which commands...  
JP3777936B2
To provide a motor control method and a control unit, which enable accurate control, while maintaining behavior stability of a motor in the case of reduction control. In this motor control method, when the maximum, speed of the motor as ...  
JP3776683B2
To exactly detect a rotational speed of every rotational direction and the number of revolutions of a brush-type DC motor with a simple and spaceless configuration, and to effectively control the rotation. A DC motor M1 comprises electro...  
JP3773512B2
To provide a motor power supply apparatus which can reduce a product size and a manufacturing cost. The motor power supply apparatus includes a resistor arranged in a first attached line, an overvoltage protective diode disposed in paral...  
JP3773794B2
To obtain a DC voltage with high precision without having to use a complex circuit configuration by a method, wherein the DC voltage is obtained by utilizing the input/output and voltage/current of a power converter and a control value w...  
JP3769898B2
To provide a vector control inverter driven deceleration motor requiring no setting of circuit constant at the installation site, or an inverter driven deceleration motor with brake which can be wired easily at the installation site. A d...  
JP2006109684A
To provide a motor drive circuit, capable of controlling the torque, when braking a motor that is rotating in the positive-direction by applying a negative-direction torque to the motor.The motor drive circuit 3 is provided with a plural...  
JP3767645B2
To protect a power element being employed in an inverter, or the like, against a voltage induced in a motor by delivering an operation stop command if the highest set revolutional speed for low speed winding is exceeded when a winding sw...  
JP3765523B2
To provide a steering controller capable of providing the stable travelling without freely rotating tires even when a steering wheel is not operated in the steering controller having a handle and the steering wheel not mechanically conne...  
JP3765081B2
To provide a technology that is effective in preventing an adverse effect to the equipment when detaching a battery installed in a battery power driven tool. This is a battery driven power tool which comprises a main unit 103 that has a ...  
JP2006094666A
To prevent an element from being broken by the increase of a power supply voltage to a withstanding voltage of a connecting element or higher during the brake control or the deceleration control of a motor.A voltage detection determinati...  
JP3764433B2
To provide a method for detecting and controlling rotating speed of an induction motor that can drive the induction motor without any strains on an inverter even in an abnormal state such as instantaneous power failure and power recovery...  
JP2006087299A
To effectively utilize regenerative energy to a full extent.A voltage reference output circuit 12 outputs a voltage reference signal V-EDLCref based on a speed detection signal Vel from a speed sensor 8. A voltage instruction output circ...  
JP2006074928A
To provide a brush-holding DC motor or a brushless DC motor controlling device along with a voltage-raising means and the concept of miniaturized structure.This motor controlling device is structured with voltage-raising means (L2, Q1, D...  
JP3752079B2
To make an emergency stop of a machine in an operator cab or even outside the operator cab, in the machine capable of being driven either by an electric motor or an engine by enabling the electric motor and the engine to be stopped by on...  
JP2006507787A
A power control system ( 12 ) for an electric motor having at least one magnetic bearing includes a DC/DC converter ( 18 ) supplied from a DC link bus ( 179 ) connected to a main power supply ( 14 ), the bus ( 17 ) supplying power for th...  
JP2006056440A
To provide an occupant protection device capable of effectively reducing deceleration applied on an occupant in collision.A seat 1 is furnished with a seat widthward drive mechanism 14B and a seat depthward drive mechanism 14A to support...  
JP2006060943A
To provide a motor capable of attaining high energy efficiency, prevention of motor driving due to the misoperations and improvement in safety.This motor has a main switch 24 for turning on/off a power supply B, a motor M driven by the p...  
JP3747274B2  
JP3745324B2  

Matches 1,651 - 1,700 out of 10,393