| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 11/08/1994 | US5363024 D.C. fan control circuit device for linearly variable cooling |
| 10/26/1994 | CN1094196A Digitally controlled linear motor with hollow shaft |
| 10/19/1994 | EP0518911B1 Circuits for the separate potential transmission of pulses of any length or frequency for driving transitor circuits |
| 10/19/1994 | CN1093840A Motor control arrangement, and shaver comprising such a motorl control arrangement |
| 10/18/1994 | US5357392 Motor drive device comprising a tacho-generator that can be configured as a back-up motor |
| 10/18/1994 | US5357219 Pulse width modulator including incrementer/decrementer |
| 10/12/1994 | EP0619200A1 Stepped compound voltage control circuit of battery in combination with field-control DC motor driving circuit |
| 10/11/1994 | US5355060 Load impact controller for a speed regulator system |
| 10/11/1994 | US5355043 Brushless polyphase DC motor |
| 09/29/1994 | WO1994022212A1 Power driven venting of a vehicle |
| 09/29/1994 | DE4410061A1 Circuit arrangement for a power steering system with motor drive |
| 09/29/1994 | CA2135069A1 Power driven venting of a vehicle |
| 09/27/1994 | US5351336 Motor control having improved speed regulation under intermittent loading |
| 09/21/1994 | EP0616414A1 Controllable compound voltage DC/AC transforming circuit |
| 09/21/1994 | EP0447422B1 A linkage system for loading machines |
| 09/15/1994 | WO1994020890A1 Automatic venting system for a vehicle |
| 09/14/1994 | EP0615081A1 Control of two or more electric motors |
| 09/14/1994 | CN1092220A System for controlling the speed of dc motor using pulsewidth modulation |
| 09/13/1994 | US5347214 Method and device for setting the short circuit moment in electric motors, particularly in servomotors |
| 09/13/1994 | US5347205 Speed and mode control for a blender |
| 08/31/1994 | EP0613237A1 Bidirectional chopper transconductance amplifier |
| 08/31/1994 | EP0613235A1 Driving method of a reversible electric apparatus |
| 08/30/1994 | US5343382 Adaptive current control |
| 08/25/1994 | DE4405515A1 System and method for reversing the polarity of permanent magnet DC motors |
| 08/25/1994 | DE4405482A1 Semiconductor component |
| 08/25/1994 | DE4305477A1 Rotation speed control circuit |
| 08/24/1994 | EP0504153B1 Drive device for movable components |
| 08/23/1994 | US5341454 DC motor control in electronic sewing machine |
| 08/23/1994 | US5341286 Current detecting method |
| 08/17/1994 | EP0611143A2 Apparatus and method for controlling the introduction of chemical foamant into a water stream in fire-fighting |
| 08/10/1994 | EP0609964A2 Adjustable reactance device and method |
| 08/10/1994 | EP0609407A1 Fail safe switch. |
| 08/02/1994 | US5335307 Precision electric motor speed |
| 07/27/1994 | CN1090100A Method for driving of electric motor |
| 07/26/1994 | US5332954 Optimal DC motor/controller configuration |
| 07/21/1994 | WO1994016372A1 Low loss recirculation apparatus |
| 07/21/1994 | DE4301203A1 Controlling revolution speed of washing machine drive |
| 07/19/1994 | US5331258 Synchronous-rectification type control for direct current motors and method of making |
| 07/13/1994 | EP0605438A1 Battery-operated device. |
| 07/12/1994 | US5329214 Motor drive circuit |
| 07/06/1994 | CN1089067A Numerically-controlled flat-out electrical/power unit |
| 06/29/1994 | EP0604394A1 Control circuit for a DC motor |
| 06/23/1994 | WO1994014232A1 Converter |
| 06/23/1994 | WO1994014229A1 Automatic load current back regulation |
| 06/23/1994 | CA2151271A1 A converter circuit |
| 06/22/1994 | CN2169948Y Frequency modulation speed governer for ac motor |
| 06/22/1994 | CN1088165A Voltage compensation of a pulse-width-modulated servomechanism |
| 06/15/1994 | CN1025065C Operation control circuit for pump motor |
| 06/14/1994 | US5321344 Control circuit for model railroads |
| 06/09/1994 | DE4241056A1 Control circuit for wipe-wash operation of windscreen wiper motor for motor vehicle - has push-button for activating washing medium wetting of screen and time limited re-wiping operation of screen wiping motor after end of supply of washing medium |
| 06/08/1994 | EP0600552A1 Motor control arrangement, and shaver comprising such a motor control arrangement |
| 06/07/1994 | US5319271 Pulse signal generating device |
| 06/04/1994 | CA2110304A1 Motor control arrangement, and shaver comprising such a motor control arrangement |
| 06/01/1994 | EP0599608A2 Method and apparatus for driving motor |
| 06/01/1994 | EP0598893A1 Solid-state sensing and control transit car door system |
| 05/31/1994 | US5317669 Direct current motor speed control apparatus |
| 05/24/1994 | US5315219 Driving circuit for direct-current (DC) motor |
| 05/24/1994 | US5315218 Motor controls |
| 05/24/1994 | US5315194 Actuator device for an electric window winder |
| 05/18/1994 | CN2165569Y Brushless dc motor controlled by electronic brain |
| 05/18/1994 | CN1086939A Method for rotor magnetic potential holographic control and motor |
| 05/18/1994 | CN1024616C Procedure for selection of bridge or bridge section in rectifier bridge unit and bridge selector unit |
| 05/17/1994 | US5313548 Direct current motor speed controller |
| 05/11/1994 | EP0596472A2 Circuit arrangement for feeding an inductive load |
| 05/11/1994 | EP0596170A1 Simultaneously operative multi-unit AC or DC series excitation motors or compound motors interlock driving circuit device |
| 05/10/1994 | US5311615 Method of changing speeds in a multi-polar electric motor of the constant flux type, and a motorized fan unit with change of speed controlled by such a method |
| 05/04/1994 | CN2164149Y Fireproof AC conversion speed-regulating device |
| 05/04/1994 | CN1086330A A dual motor speed controller |
| 05/04/1994 | CN1024441C Method and apparatus for optimization of thyristor power supply transport time delay |
| 05/03/1994 | US5309077 Apparatus and method for loading a cassette tape in a video equipment |
| 04/26/1994 | US5306990 Electric motor control apparatus including an output stage protected against malfunction and damage |
| 04/07/1994 | DE4333813A1 Pulse width modulator for control of DC motor - has incrementer-decrementer incrementing or decreasing data value held in timer in accordance with result of data comparison |
| 03/30/1994 | CN1084681A Stepless speed-regulating AC motor |
| 03/29/1994 | US5298812 Regulating circuit as for controlling the speed of a motor |
| 03/22/1994 | US5296792 Bidirectional chopper transconductance amplifier |
| 03/10/1994 | DE4229440A1 Inductive load switching circuitry - uses two switches in series and in parallel with load supplied with inverse control signals |
| 03/09/1994 | EP0585581A2 Carriage motor controller for printer |
| 03/09/1994 | CN1083636A Method for the control of a motor |
| 03/08/1994 | US5293518 Multiple two-node windings electrical motors controllers |
| 03/08/1994 | US5293104 Drive device for movable structural component units |
| 03/08/1994 | US5293103 Quiet fan speed control with linear adjustment actuator |
| 03/03/1994 | WO1994005031A1 Fail safe switch |
| 03/02/1994 | EP0585140A2 Motor drive circuit |
| 03/02/1994 | EP0462169B1 An actuator device for an electric window winder |
| 03/01/1994 | US5291107 Circuit for driving reel motor of videotape recorder |
| 03/01/1994 | CA2104980A1 Motor drive circuit |
| 02/24/1994 | DE4227761A1 Regulating and/or limiting control current for electric motor, e.g. of video recorder - using pulse modulated signals with signal current value as measure of actual current supplied to electric motor and determined by given equation |
| 02/23/1994 | EP0583724A2 Method and circuit for controlling a motor |
| 02/22/1994 | US5289560 DC motor control using frequency and pulsewidth modulation |
| 02/22/1994 | US5289092 Apparatus and method for d.c. motor control |
| 02/17/1994 | WO1994003969A1 Drive circuit for a resonant reciprocating motor |
| 02/17/1994 | WO1994003968A1 Power window driving controller |
| 02/17/1994 | CA2141311A1 Apparatus for driving and controlling power window |
| 02/16/1994 | CN2156619Y Electric rolling gear for water electric machine group |
| 02/15/1994 | US5287046 Method and system for actuator control for direct access storage devices |
| 02/15/1994 | CA1327055C Compartment panel control apparatus for a motor vehicle |
| 02/09/1994 | EP0582467A2 The improvement of the shunt type series excitation field driving circuit |
| 02/09/1994 | EP0582417A1 Method and circuit device for DC series or compound excitation type machine |
| 02/09/1994 | EP0582415A1 Voltage compensation of a pulse-width-modulated servomechanism |
| 02/08/1994 | US5285144 Generation of multi-phase multiple-order harmonics of a fundamental frequency source with adjustable phase angle capability |