| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 08/27/1997 | CN1157882A Method and apparatus for driving pump motor for refrigerator dispenser |
| 08/20/1997 | EP0790699A2 DC motor control method and apparatus for operating the method |
| 08/20/1997 | EP0725996B1 Control circuit |
| 08/20/1997 | CN1035711C Rotor magnetic potential holographic control motor |
| 08/13/1997 | EP0789447A2 Accumulator-fed small sized electric appliance |
| 08/12/1997 | US5656911 Circuit for driving permanent-magnet synchronous motor using proportional controller |
| 08/05/1997 | US5654613 Over drive control apparatus of direct current series motor |
| 07/29/1997 | US5652825 Power supply for low-voltage DC motor |
| 07/22/1997 | US5650705 Apparatus and method for controlling currents in an inductor |
| 07/16/1997 | CN2257973Y Magnetizing curve simulator |
| 07/16/1997 | CN2257972Y Potential regulator |
| 07/16/1997 | CN1035462C Governor for dc motor with ac power supply |
| 07/09/1997 | EP0782787A1 Process and circuit for controlling fans |
| 07/09/1997 | CN1035411C Dynamic current feedback exciting type DC motor |
| 07/08/1997 | US5647051 Cold therapy system with intermittent fluid pumping for temperature control |
| 07/03/1997 | WO1997023947A1 Device for increasing the original set speed of a dc motor |
| 07/03/1997 | WO1997023946A1 Current supply device for a d.c. motor drive system, especially comprising travel-dependent detection of parameters of the driven object |
| 07/03/1997 | WO1997023873A1 Drive system comprising a motor, control means and method for controlling the motor, apparatus for information storage and/or reproduction comprising the drive system |
| 07/03/1997 | DE19617947C1 Power supply circuit for motor minimising mains network reaction |
| 07/02/1997 | EP0782248A1 PWM control method of a bridge supplying a load and power supply device incorporating this bridge |
| 06/26/1997 | DE19548270A1 PWM control of power output of DC motor e.g. for automobile |
| 06/26/1997 | DE19547965A1 Stromspeiseeinrichtung für ein Gleichstrommotor-Antriebsaggregat, insbesondere mit Erfassung wegstrecken-abhängiger Parameter des angetriebenen Gegenstandes Power supply device for a direct current motor driving unit, in particular with a detection path distance-dependent parameter of the driven object |
| 06/24/1997 | US5642247 Automatic fault monitoring system and motor control system incorporating same |
| 06/24/1997 | US5642022 Aircraft window shade speed regulation control system |
| 06/12/1997 | WO1997021268A1 Process for controlling a physical quantity, and arrangement for carrying out said process |
| 06/05/1997 | DE19647983A1 Physical variable control method and device e.g. for electronically commutated electric motor |
| 05/28/1997 | CN1150710A Method and apparatus for preventing excessive current flow in motor |
| 05/22/1997 | WO1997018620A1 Programmable dual-phase digital motor control with sliding proportionality |
| 05/20/1997 | US5632000 Device for optimizing the speed control behavior of a subfractional horsepower motor |
| 05/20/1997 | US5631817 Load current control of pulse width modulated drive signal including calibration and correction coefficient |
| 05/20/1997 | US5631527 Voice coil motor feedback control circuit |
| 05/18/1997 | CA2163137A1 Method and apparatus for controlling downhole rotary pump used in production of oil wells |
| 05/14/1997 | CN1149787A Stepless speed regulating system for electrohydraulic asynchronous motor |
| 05/13/1997 | US5630009 Method and apparatus for controlling a DC electric motor |
| 05/07/1997 | EP0772285A1 Enhanced resolution pulse width modulation control |
| 05/06/1997 | US5627710 Electric motor drive system |
| 05/06/1997 | US5627411 Switching circuit with lockout feature |
| 04/22/1997 | US5623193 Electrical device such as an electrical shaver or hair cutter |
| 04/22/1997 | CA2070369C Apparatus and method for d.c. motor control |
| 04/16/1997 | CN2252451Y Stepless speed regulator for vehicle electric fan air conditioner cold and warm air motor |
| 04/08/1997 | US5619126 Circuit arrangement for automatically decreasing the load current |
| 04/02/1997 | CN2251225Y Numerically controlled full speed energy-storage-transducing apparatus |
| 04/01/1997 | US5617503 Motor control arrangement, and shaver comprising such a motor control arrangement |
| 03/27/1997 | WO1997011523A1 Switching circuit with lockout feature |
| 03/27/1997 | DE19639178A1 Control for motor vehicle electrical steering system |
| 03/25/1997 | US5614798 Circuit configuration for identifying a short circuit or shunt event in a servomotor system |
| 03/12/1997 | EP0762626A1 Motor control unit |
| 03/06/1997 | WO1997008817A1 System for controlling the speed of a motor driven by an unregulated voltage |
| 03/06/1997 | DE19532377A1 Supply of AC load especially AC motor |
| 03/06/1997 | CA2230729A1 System for controlling the speed of a motor driven by an unregulated voltage |
| 03/05/1997 | EP0760552A1 Method and circuit for PWM mode driving a bridge and disk guide using the same |
| 02/26/1997 | EP0759223A1 Controlled commutator circuit |
| 02/25/1997 | US5605130 Electronic governor having increased droop at lower selected speeds |
| 02/18/1997 | US5603388 Electric powered bicycle |
| 02/13/1997 | WO1997005716A1 Noise suppression in pwm-driven dc motor |
| 02/11/1997 | US5602451 Electric power steering circuit device |
| 02/11/1997 | US5602448 Electric powered bicycle |
| 02/05/1997 | CN1142290A Controller for dc. motor |
| 02/04/1997 | US5600217 CMOS disk drive motor control circuit having back-EMF regulator circuitry |
| 01/30/1997 | WO1997003364A1 Process and circuit arrangement for determining the speed of a d.c. motor |
| 01/29/1997 | EP0755585A1 Electronic speed governor |
| 01/28/1997 | US5598072 Regenerative braking circuit utilizing separately excited motor |
| 01/23/1997 | DE19534715A1 Protection circuit for relay-controlled electrical motor |
| 01/23/1997 | DE19526237A1 Movable conveyance esp. for infants |
| 01/22/1997 | CN2245828Y Motor intelligence controllor |
| 01/22/1997 | CN1141098A Overcurrent feed preventing device |
| 01/21/1997 | US5596490 Converter circuit for generating direct current with selectable polarity |
| 01/14/1997 | US5594307 Current servo amplification/control apparatus and method for reversible DC motor |
| 01/09/1997 | DE19524913A1 Verfahren und Schaltungsanordnung zum Ermitteln der Drehzahl eines Gleichstrommotors Method and circuit arrangement for determining the speed of a DC motor |
| 01/08/1997 | CN1033777C Equipment for driving two motors |
| 01/07/1997 | US5592112 Motor current detection circuit |
| 01/02/1997 | EP0596919B1 Variable speed latching motor control |
| 01/01/1997 | CN1139312A Reversing dc motor |
| 12/31/1996 | US5590237 Apparatus and method for controlling the rotation speed of electric motors |
| 12/31/1996 | US5590019 Device for change-over switching of individual electric motors or groups of electric motors |
| 12/31/1996 | US5589805 Enhanced resolution pulse width modulation control |
| 12/19/1996 | DE19619778A1 Hand-held battery-operated cosmetic appliance e.g. for nail treatment |
| 12/18/1996 | EP0749203A1 Controller for dc motor |
| 12/18/1996 | EP0749189A1 Overcurrent feed preventing device |
| 12/18/1996 | CN1138244A Efficiency control system of induction motor |
| 12/12/1996 | DE19543873A1 Motor control unit e.g. using PWM |
| 12/12/1996 | DE19518591A1 Motorised finger-nail cosmetic care apparatus |
| 12/04/1996 | EP0745495A2 Circuit for driving the motor of a temperature blend door |
| 11/27/1996 | EP0744823A1 Masking of switching noise in controlling a "H" bridge |
| 11/21/1996 | DE19547152A1 Cosmetic machine for finger nail or toe nail care |
| 11/19/1996 | US5577155 Rectifier based motor speed/brake control |
| 11/19/1996 | US5577153 High frequency control circuit for DC motors, particularly for washing machines |
| 11/19/1996 | US5576613 DC motor-generator control circuit |
| 11/19/1996 | US5576536 Image forming apparatus including motor-driven rotary scanner and system for judging if motor rotation comes to steady state and for maintaining rotation at steady state |
| 11/13/1996 | CN1033297C Numerically-controlled flat-out electrical/power unit |
| 11/12/1996 | US5574349 Servo motor control circuit |
| 11/12/1996 | US5574344 Power steering apparatus for performing feedback control of motor-driving current |
| 11/12/1996 | CA2115287C Apparatus and method for controlling the introduction of chemical foamant into a water stream in fire-fighting equipment |
| 11/07/1996 | WO1996034541A1 Device for fitting rivets or control therefor |
| 11/07/1996 | DE19516345A1 Vorrichtung bzw. Steuerung für eine Vorrichtung zum Ansetzen von Nieten Or control device for a device for fitting rivets |
| 11/07/1996 | CA2219989A1 Device for fitting rivets or control therefor |
| 11/05/1996 | US5572156 Control circuit with a level shifter for switching an electronic switch |
| 11/05/1996 | US5572106 Motor driving apparatus |
| 11/05/1996 | US5572098 Motor vehicle accessory control with control module having single power terminal |
| 10/31/1996 | WO1996033892A1 Control system for an automotive vehicle multi-functional apparatus |