| Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779) |
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| 04/04/1989 | US4818890 Turbine helper drive apparatus |
| 04/04/1989 | US4817938 Bicycle ergometer and eddy current brake therefor |
| 03/28/1989 | US4816734 Speed control system |
| 03/28/1989 | US4816723 Variable speed motor control method and apparatus |
| 03/28/1989 | US4816722 Digital phase-locked loop filter |
| 03/22/1989 | EP0308292A1 Electromechanical cyclical programmer for the actuation of devices such as vehicle roof windows |
| 03/21/1989 | US4814679 Motor speed control |
| 03/21/1989 | US4814678 Speed control apparatus for motor |
| 03/21/1989 | CA1251540A1 Electrically-controlled rotary actuator |
| 03/09/1989 | WO1989002185A1 Servo motor controller |
| 03/08/1989 | CN1031631A Method of controling electric motor for air-blower of air conditioner |
| 03/07/1989 | US4810942 Method of controlling at least one electric motor on an offset printing machine |
| 02/22/1989 | EP0304196A2 Electric motor armature current control circuit |
| 02/08/1989 | EP0302493A2 Torque control apparatus for rotating motor machine |
| 02/07/1989 | US4803568 Motor control apparatus effecting phase control on rotating body |
| 02/07/1989 | US4803409 Acceleration signal corrected motor speed control system |
| 02/07/1989 | US4803354 Circuit for correcting output phase of rotary encoder |
| 01/31/1989 | US4801854 Adjustment and dialogue device more particularly for speed variators |
| 01/25/1989 | EP0300053A1 Method of controlling injection motor of injection molding machine |
| 01/24/1989 | US4800310 Bicycle ergometer and eddy current brake therefor |
| 01/18/1989 | EP0299089A1 Speed controller |
| 12/13/1988 | CA1246664A1 Microprocessor based two speed motor control interface |
| 11/30/1988 | EP0292926A2 Rotor speed control method |
| 11/30/1988 | EP0292575A1 Servo motor controller |
| 11/30/1988 | EP0292574A1 Numerical controller |
| 11/30/1988 | EP0292573A1 Speed controller |
| 11/22/1988 | US4786994 Method of and apparatus for controlling the displacement of a movable system driven by an electric motor |
| 11/09/1988 | EP0148260B1 Controlled electric current supply unit |
| 11/03/1988 | WO1988008640A1 Device for controlling speed of servo motor |
| 10/18/1988 | US4779031 Motor system |
| 10/05/1988 | EP0285053A2 Fiber optic sensing system and method across working air gap of an electric motor |
| 09/20/1988 | US4771606 Helper drive apparatus for turbine drive system |
| 09/14/1988 | EP0282270A1 Programmable motor controller using look-up memory |
| 09/06/1988 | US4769798 Successive period-to-voltage converting apparatus |
| 09/06/1988 | US4769582 Low vibration pulse drive device for an electric motor |
| 08/31/1988 | EP0280444A1 Electromagnetic contactor with lightweight wide range current transducer |
| 08/24/1988 | EP0279596A1 Electromagnetic contactor with lightweight wide range current transducer with sintered powdered metal core |
| 08/24/1988 | EP0279427A2 Commutation compensation device for a dc machine |
| 08/24/1988 | EP0250552A4 Power converter for an electrically-compensated constant speed drive. |
| 08/11/1988 | WO1988005977A1 Speed controller |
| 08/11/1988 | WO1988005720A1 Method of controlling injection motor of injection molding machine |
| 08/10/1988 | EP0277638A2 Successive period-to-voltage converting apparatus |
| 08/02/1988 | US4761591 RPM regulation of an electromotor |
| 07/26/1988 | US4759705 Switching control system for unit torque limit value of servo motor for injection molding machine |
| 07/19/1988 | US4758787 Processing quadrature signals |
| 07/12/1988 | US4757488 Rotation control apparatus for constant linear velocity system information recording disc |
| 07/05/1988 | US4755892 Method of and apparatus for displacing a movable system driven by an electric motor along a given trajectory |
| 07/05/1988 | US4755070 Circuit for actuating electric motors, especially in an electronic typewriter |
| 06/16/1988 | WO1988004493A1 Speed controller |
| 06/16/1988 | WO1988004446A1 Servo motor controller |
| 06/16/1988 | WO1988004445A1 Numerical controller |
| 06/14/1988 | US4751443 Servo simulator |
| 06/14/1988 | US4751442 Servomotor drive control system |
| 06/08/1988 | EP0270474A1 Electrically commutated, variable speed compressor control system |
| 06/08/1988 | EP0270072A2 Speed control device |
| 06/07/1988 | US4749922 Electric motor control circuit |
| 05/31/1988 | US4748555 Control unit for a moving body |
| 05/18/1988 | EP0267583A2 Turbine helper drive apparatus |
| 05/18/1988 | EP0139982B1 Control circuit for a road vehicle |
| 05/17/1988 | US4745563 Method of detecting the speed of a motor |
| 05/03/1988 | US4742444 Method of optimizing drive controls in machine tools having computer control |
| 04/26/1988 | US4740538 Coated minerals for filling plastics |
| 04/26/1988 | CA1235774A1 Dynamically interactive responsive control device and system |
| 04/19/1988 | US4739240 Commutator for switched reluctance drive |
| 04/19/1988 | US4739237 PLL motor controller |
| 04/06/1988 | EP0262120A1 Control circuit for an electric motor. |
| 04/05/1988 | US4736143 Torque control apparatus for rotary machine |
| 03/29/1988 | US4734628 Electrically commutated, variable speed compressor control system |
| 03/22/1988 | US4733155 Speed control unit for an aircraft generator |
| 03/22/1988 | US4733149 Adaptive control system |
| 03/15/1988 | US4731566 Intermittent drive controller for windshield wiper motor |
| 03/08/1988 | US4730149 Circuit arrangement for regulating the rpm of a series motor |
| 03/02/1988 | EP0257612A2 Helper drive apparatus for turbine drive system |
| 02/24/1988 | EP0256937A1 Control and dialog device, espcecially for a variable-speed drive |
| 02/24/1988 | EP0256141A1 Method of controlling servo motor |
| 02/23/1988 | US4727300 Motor control method |
| 02/11/1988 | DE3632962C1 Control device for the brake and/or drive of a conveying system |
| 02/09/1988 | US4724366 For digitally controlling the supply of power |
| 02/03/1988 | EP0255304A2 Coated minerals for filling plastics |
| 02/03/1988 | EP0254970A2 Method and arrangement to generate a tachovoltage for driving dc motor in typewriters or similar office machines |
| 02/02/1988 | US4723180 Intermittent drive type magnetic recording apparatus |
| 01/27/1988 | EP0254465A2 Servo simulator |
| 01/27/1988 | CN87104603A Arrangement for controlling motor speed |
| 01/26/1988 | US4721895 Multi-speed analog servo |
| 01/26/1988 | US4721894 Temperature monitor system for an intermittent duty wound field motor |
| 01/26/1988 | US4721861 Turbine helper drive apparatus |
| 01/26/1988 | CA1232049A1 Controllable rotary actuator |
| 01/20/1988 | EP0252948A1 Motor system |
| 01/07/1988 | EP0251725A2 Method of and apparatus for preventing overheating of heating element |
| 01/07/1988 | EP0250684A1 Internal combustion engine equipped with a torque controller |
| 01/07/1988 | EP0250552A1 Power converter for an electrically-compensated constant speed drive |
| 12/22/1987 | CA1230635A1 Bicycle ergometer and eddy current brake therefor |
| 12/15/1987 | US4713764 Transmission control apparatus and method for vehicle traveling uphill or downhill |
| 12/15/1987 | US4713593 Method and device for determining the operating condition or status of an actuating or adjusting drive of a printing machine |
| 12/02/1987 | EP0247624A2 Motor speed control system |
| 12/02/1987 | EP0247206A1 Speed control system |
| 12/01/1987 | US4710119 Injection molding machine using servo motor and having mold protecting function |
| 11/17/1987 | US4707646 Method of limiting motor power output |
| 11/17/1987 | US4707644 Auxiliary starting for electric motors |
| 11/03/1987 | US4704698 Method for the synchronization of a moveable material web and an optical deflection path |