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Patent Searching and Data


Matches 1,801 - 1,850 out of 10,393

Document Document Title
JP2005033988A
To provide a three-phase motor controller having an inverter and a brake in the three-phase motor controller (device for controlling 3-phase motor).The three-phase motor controller includes the inverter coupled to each phase terminal of ...  
JP2005031877A
To obtain a motor control device which moves a moving object very precisely to a target stopping position in a short period of time without troublesome processing, and also obtain a method therefor.A motor 14 is controlled in two steps b...  
JP2005027452A
To provide the overheat protection control device of a motor simplified in constitution and reducible in manufacturing cost.A window drive control device 11 comprises an operation control unit 12, a motor driver 13 and the motor 14. The ...  
JP2005027454A
To obtain a control device for a vehicle that can detect an excess temperature of a brake resistor without the need for additionally installing a temperature sensor.The control device for the vehicle detects the excess temperature of the...  
JP3615127B2
A method for braking a washing machine in accordance with the present invention comprising the steps of: setting up an initial data of a duty ratio corresponding to a detected speed and a rotating position; discharging a voltage of the c...  
JP3610875B2  
JP3609637B2
To provide a fan of simple construction capable of high responsiveness overcurrent protection. Power, supplied from an AC power source 204 to a power supply controller 300, is supplied to a motor 203 by the operation of a semiconductor s...  
JP3604607B2
To improve convenience without casing complication of a switch circuit. Whether a sliding door closing switch is operated or not is judged (S11) while a slide door 4 is closing (S10), and whether a sliding door opening switch is operated...  
JP2004354983A
To solve the problem that, in the case where winding of the leading end of paper is detected by providing detection sensors at the entrance and exit of a fixing device in order to prevent winding of paper around the fixing device, even t...  
JP2004357412A
To discharge the charging electric charge of a capacitor without installing an exclusive discharging circuit when a device is stopped.This DC power supply device for an inverter is constituted as follows: A high-voltage DC power supply i...  
JP2004350493A
To provide a small-size and light-weight inverter controller which can prevent drive elements from being damaged due to an overvoltage for driving a motor at a low cost.The inverter controller includes a rectifier circuit for converting ...  
JP3598498B2  
JP3599073B2
To make it possible to detect the undervoltage or overvoltage of a main circuit voltage by using one isolator by connecting the output of a comparator for judging whether the main circuit voltage is the overvoltage or not and the output ...  
JP2004536542A
A control module advantageously reduces cost and enhances reliability, design flexibility, ease of assembly, and performance of a flywheel operated hand tool. The control module includes a thin film printed circuit with non-contact speed...  
JP2004343902A
To shorten an establishment time and a stopping time of a motor having a dynamic pressure bearing.A torque control voltage 20 controls a driving current 30 of a scanner motor which rotates a polygon mirror. It is accelerated by generatin...  
JP3596247B2  
JP3594100B2
To hold the voltage of a smoothing capacitor at the same voltage as that of a main battery by opening a DC side switching unit after an AC side switching unit is opened when the malfunction of an inverter, a motor, a controller and a pow...  
JP3591628B2  
JP3591522B2  
JP2004328954A
To control or stop drive of an actuator and to output an abnormal signal to a monitoring device, when coil temperature is the predetermined temperature or more in securely measuring and monitoring the coil temperature of the motor used f...  
JP3591476B2  
JP3590604B2  
JP3589227B2
To apply a brake to a body of rotation by the regenerative brake even by stopping power supply to a control device from a power source when the (external) power source is cut off at emergency stop time, service interruption time, etc., t...  
JP2004314195A
To provide an industrial robot wherein an encoder is kept warm without increasing the number of wire and component.When the industrial robot 2 is stopped and a driving power of a drive servomotor 3 with a shaft thereof being held by an e...  
JP3583501B2  
JP3585670B2
To enable holding the stopped state of a opening/closing body by simple structure, when an opening/closing body is opened and closed by a DC motor. A shutter is opened and closed by using a DC motor M as a driving source. After the shutt...  
JP3585031B2
To provide a controller suitable for an induction motor as a power source of an elevator or the like. A counter 17, a comparator 18 and a switching unit 19 are added to a conventional controller. When an operating time of the induction m...  
JP2004301039A
To solve the problem that though a shell temperature thermostat or the like is added at an outside of a compressor as protection instrument due to difficulty to protect, in coolant leakage, a stator coil from burning out only by means of...  
JP3582267B2  
JP2004291227A
To stop a motor regularly as usual and prevent a power transmission part connected with the motor from being damaged or the like.A wire saw is structured to drive a wire to be cut by a drive motor 25 or the like controlled by a servo amp...  
JP2004284555A
To limit a speed even in manual traveling with respect to a carrying vehicle provided with an auxiliary electric function.In a power source line 30 connecting a motor M to a direct-current power supply 31, a first switch 32 is interposed...  
JP2004289984A
To provide an inverter controller capable of quickly slowing down for stopping with no noise or unstable operation even if a DC bus line voltage fluctuates under a regenerative braking operation.The inverter arrangement comprises a micro...  
JP3576482B2  
JP3576401B2  
JP2004274928A
To restrain burning of a circuit, and provide reduction in size and manufacturing cost.Each control circuit of an actuator select either of a first exciting mode or a second exciting mode, and controls driving of a motor with the selecte...  
JP3572112B2  
JP3571692B2
A method of returning an electromechanical axial setting device, particularly suited for friction couplings. The axial setting device includes two setting rings centered on a common axis, one of which is axially held, with the other one ...  
JP3570119B2
To enable accurate and reliable position detection of a moving body for a long period of time by improving durability with a simplified structure. A switch lever 23 and a moving body are coupled via a play in a stroke which is a little s...  
JP3570289B2
To obtain a motor controller in which a dark current is prevented from flowing through a controller by interrupting the power supply to the controller after resetting the motor load when a key switch is opened. A power supply on/off circ...  
JP3567628B2  
JP3567440B2  
JP2004260971A
To provide a motor control circuit which can automatically stop a motor when CPU runs away in a simple circuit.A motor control circuit 100 comprises a drive voltage control circuit 2 which regulates drive voltage and outputs it under ins...  
JP3565355B2
PURPOSE: To efficiently recover the brake energy by operating a regenerative brake in priority to a frictional brake and to effectively operate the frictional brake by changing the gradient after restriction, by restricting the operation...  
JP3566443B2  
JP3566527B2  
JP3564589B2  
JP3564595B2  
JP3562960B2  
JP3563407B2  
JP3564008B2  

Matches 1,801 - 1,850 out of 10,393