| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 04/30/2002 | US6380702 Commutator motor control system |
| 04/30/2002 | US6378865 Sheet transport system |
| 04/24/2002 | CN2488224Y Electric actuator without brake |
| 04/24/2002 | CN1346482A Soundless alarm device |
| 04/24/2002 | CN1083634C Equipment and method for controlling current limiter of motor |
| 04/18/2002 | US20020044769 DC motor rotation detecting apparatus and DC motor rotation control apparatus |
| 04/16/2002 | US6373216 LCD motor reverse driving with storage capacitors |
| 04/11/2002 | US20020042896 Diagnostic and managing distributed processor system |
| 04/10/2002 | CN2485865Y Self-adapt energy-saving controller for electric motor |
| 04/09/2002 | US6369540 Bypass circuit for use in DC brush motor control |
| 04/04/2002 | WO2002027955A1 Circuit and method for preventing erroneous opening and closing in an automatically/manually foldable portable radio phone |
| 04/04/2002 | DE10145711A1 Öffnungs- und Schließsteuerungsvorrichtung für eine Abdeckung Opening and closing control device for a cover |
| 04/04/2002 | DE10139732A1 Steuereinheit für elektrische Servolenkung Control unit for electric power steering |
| 04/04/2002 | DE10044546A1 Circuit operating DC series motor in e.g. traction engineering, has separate, independently-adjustable current controllers for armature and field circuits. |
| 04/03/2002 | EP1192706A1 Direct current motor safety circuits for fluid delivery systems |
| 04/02/2002 | US6366041 Railway switch machine motor control apparatus |
| 04/02/2002 | US6366038 Method and circuit for generating a pulse-width modulated actuating signal for a direct current actuator |
| 03/28/2002 | US20020036475 Opening and closing control device for cover |
| 03/28/2002 | US20020036474 Circuit and method for preventing erroneous opening and closing in an automatically/manually foldable portable radio phone |
| 03/21/2002 | WO2002023736A1 Current sense ic |
| 03/21/2002 | WO2002023710A1 Pole-change type motor |
| 03/21/2002 | US20020033683 Movable barrier operator |
| 03/14/2002 | US20020030459 Power window system with control unit for detecting foreign object caught in car window |
| 03/14/2002 | US20020030457 Power supply for DC motors |
| 03/14/2002 | DE19931921C2 Schaltung und Verfahren zur sensorlosen Drehzahlmessung eines Gleichstrommotors Circuit and method for sensorless speed measurement of a DC motor |
| 03/13/2002 | CN2482272Y DC electronic speed-regulating switch |
| 03/13/2002 | CN1339868A Pulse width regulating method and device independent from voltage |
| 03/12/2002 | US6356710 DC motor control system and method |
| 03/07/2002 | WO2001084063A3 A cooling system with brushless dc ring motor fan |
| 03/07/2002 | DE10138540A1 Steuereinheit für elektrische Hilfskraftlenkvorrichtung Control unit for electric power steering apparatus |
| 03/06/2002 | EP1184256A2 Electrically-driven power steering system having failure detection function |
| 03/05/2002 | US6353705 Speed control circuit of a direct current motor |
| 03/05/2002 | US6353297 Series motor |
| 02/28/2002 | US20020024317 Electrically-driven power steering system having failure detection function |
| 02/28/2002 | US20020024313 Motor driving circuit using a PWM input signal |
| 02/27/2002 | EP0998776B1 Control circuit for a direct current motor |
| 02/26/2002 | US6351601 Fan speed control system having an integrated circuit fan controller and a method of using the same |
| 02/26/2002 | CA2233837C Speed control device for dc motors |
| 02/21/2002 | WO2001022095A8 Method for regulating the rotational speed of a motor and a motor for carrying out a method of this type |
| 02/21/2002 | US20020022914 Control unit for electric power steering apparatus |
| 02/21/2002 | US20020021232 Digital encoder control method |
| 02/21/2002 | US20020021102 DC motor control device and control method |
| 02/14/2002 | WO2000035689A3 Method and device for operating an actuating drive of a motor vehicle with different vehicle electric system voltages |
| 02/14/2002 | US20020017885 Control unit for electric power steering apparatus |
| 02/14/2002 | EP1144213A3 Method and device for operating an actuating drive of a motor vehicle with different vehicle electric system voltages |
| 02/07/2002 | US20020014873 Apparatus and method for controlling cooling fan for vehicle |
| 02/07/2002 | DE10036381A1 Motor speed controller for toy racing cars, comprises pulse width modulator, comparator, controller and power output stage |
| 02/06/2002 | EP1177925A2 Power window system with control unit for detecting foreign object caught in car window |
| 02/06/2002 | EP1177832A1 Shredder drive control device and method of drivingly controlling the shredder |
| 02/06/2002 | CN1078977C Motor control device and apparatus for recording and/or reproduction of information including motor control device |
| 02/05/2002 | US6344719 Motor driving apparatus for controlling plurality of motors with less motor driving units than motors |
| 02/05/2002 | US6343881 Camera shutter apparatus |
| 01/31/2002 | US20020013106 Trolling motor with integral sonar transducer |
| 01/31/2002 | DE10125647A1 Rotation controller for micromotor for medical applications e.g. dental diagnostic unit, has actuator for outputting control signal, voltage controller and micromotor revolution rate range selection arrangement |
| 01/30/2002 | EP1175673A1 Motion control system |
| 01/24/2002 | US20020008537 Processes and devices for monitoring the rotation of DC electric motors |
| 01/24/2002 | DE10125313A1 Power supply system for the accessories of an electrically powered vehicle, comprises brush and brushless motors connected with output of pulsed DC-DC converters |
| 01/23/2002 | EP1175011A1 Digital encoder control method and apparatus |
| 01/23/2002 | CN1078400C Control circuit of DC motor for electric bicycle |
| 01/22/2002 | US6341322 Method for interfacing two buses |
| 01/17/2002 | US20020005706 H-bridge motor driving circuit four |
| 01/16/2002 | CN2472413Y Speed regulator for permanent magnet DC motor |
| 01/16/2002 | CN1331510A Frequency-conversion voltage-varying speed control method with high-torque vector control for asynchronous motor |
| 01/16/2002 | CN1331507A Dual-loop current limitation controller of motor controller |
| 01/10/2002 | US20020003381 Brushless DC ring motor cooling system |
| 01/09/2002 | CN1077616C Drive unit for shaft of device working in synchrony with shanks of mechanical loom to form leno selvage |
| 01/08/2002 | US6338150 Diagnostic and managing distributed processor system |
| 01/02/2002 | EP1168592A1 Speed regulator for modulating pulse width in direct current motors |
| 01/02/2002 | EP1166446A1 Method and apparatus for providing pulse width modulation |
| 01/01/2002 | US6335600 Motor drive unit and method of detecting malfunction of motor drive unit |
| 12/25/2001 | US6333617 Inductive load drive control for selectively extinguishing energy through switching devices or diodes |
| 12/19/2001 | EP0721693B1 Braking circuit for a universal motor |
| 12/19/2001 | CN1076540C Low-voltage generation in mains-powered hot-air appliances having fan motor |
| 12/18/2001 | US6332202 Method of remote access and control of environmental conditions |
| 12/13/2001 | WO2001095474A1 Method for determining the position of an element driven by the drive shaft of a direct current motor |
| 12/13/2001 | WO2001095473A1 Method for providing a digital current fluctuation signal |
| 12/13/2001 | WO2001095472A1 Method for determining the rotational position of the drive shaft of a direct current motor |
| 12/13/2001 | WO2001095471A1 Method for detecting the rotational position of the drive shaft of a dc motor |
| 12/13/2001 | WO2001094733A1 Method for determining the rotational position of the drive shaft of a direct current motor |
| 12/13/2001 | WO2001094140A1 Method for determining the position of an element driven by the drive shaft of a direct current motor |
| 12/13/2001 | US20010052042 System and method for the add or swap of an adapter on an operating computer |
| 12/13/2001 | DE10126094A1 Impulserzeugungsschaltung zum Antrieb eines Gleichstrommotors Pulse generation circuit for driving a DC motor |
| 12/13/2001 | DE10028041A1 Determining the position of an element, e.g. sun roof of vehicle, actuated by the drive shaft of DC motor, involves evaluating current ripple contained in armature current signal when moving element from one block position to another |
| 12/13/2001 | DE10028039A1 Position determination method for actuated element, involves performing correction process when period of detected current ripple does not conform with period of reference current ripple |
| 12/13/2001 | DE10028038A1 Position determining method for DC-motor-driven element, involves moving element to block position on system side and afterwards to mechanically defined block position, and normalizing block position on system side |
| 12/13/2001 | DE10028037A1 Determining the rotating position of the rotor of a DC motor, involves determining current ripple to be expected during slowdown of rotor of DC motor |
| 12/13/2001 | DE10028036A1 Rotating position determination method involves correcting periods of detected current ripple signals so that they conform to period of reference current ripple |
| 12/13/2001 | DE10028035A1 Rotation position determining method for DC motor shaft, involves determining relevant current ripple component for each time first and last current ripples are detected, which are included in current ripple evaluation |
| 12/13/2001 | DE10028033A1 Providing digital current ripple signal from analog armature current signal of DC motor, involves including current ripple detected from oversampling in further evaluation when non-conformance is detected |
| 12/11/2001 | US6329777 Motor drive control apparatus and method having motor current limit function upon motor lock |
| 12/06/2001 | US20010048281 Pulse generating circuit for driving DC motor |
| 12/05/2001 | CN2464013Y Switchin device |
| 12/04/2001 | US6327425 Regulator for heating and air conditioning appliances in motor vehicles |
| 12/04/2001 | US6326757 Rotational pulse generating circuit for commutator DC motors |
| 11/29/2001 | WO2001054263A8 Motor control apparatus for a railway switch machine |
| 11/27/2001 | US6324608 Method for hot swapping of network components |
| 11/22/2001 | US20010043049 Electric golf car with low-speed regenerative braking |
| 11/22/2001 | DE10118401A1 Motoransteuerungsvorrichtung Motor control device |
| 11/20/2001 | US6321031 Control circuit for a dc motor |
| 11/20/2001 | US6321030 DC motor controller with full-wave rectified AC for motor drive power |