| Patents for H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487) |
|---|
| 02/28/1984 | US4434393 Induction motor control system |
| 02/28/1984 | US4434390 Motor control apparatus with parallel input, serial output signal conditioning means |
| 02/21/1984 | US4433276 Three phase power factor controller |
| 02/21/1984 | CA1162603A1 Pneumatic device to control the speed of an electric motor |
| 02/15/1984 | EP0100435A2 Electric regulation of motors |
| 02/14/1984 | US4431956 For an AC motor |
| 02/08/1984 | EP0099992A2 Machine tool with control device |
| 02/07/1984 | US4430607 Circuit arrangement |
| 02/01/1984 | EP0099803A1 Electrical appliance for controlling rotating asynchronous machines |
| 01/24/1984 | US4427934 Current limiter for a load commutated inverter |
| 01/24/1984 | US4427933 Load commutated inverter gating control system and motor drive with such control system |
| 01/24/1984 | US4427930 Electric vehicle current regulator |
| 01/17/1984 | US4426614 Pulsed thyristor trigger control circuit |
| 01/17/1984 | US4426611 For controlling power supplied to an AC load from an AC source |
| 01/17/1984 | US4426610 Induction motor control system |
| 01/17/1984 | US4426609 Power factor controller |
| 01/10/1984 | CA1160280A1 Inverter-motor system with different control characteristics for inverter voltage and frequency |
| 12/27/1983 | US4423364 Electric motor damper drive with backup power pack |
| 12/21/1983 | EP0096295A2 Erroneous pulse sequence detector |
| 12/21/1983 | EP0096073A1 Improved motor speed control system. |
| 12/20/1983 | US4422029 Instant reverse control circuit for a single phase motor |
| 12/13/1983 | US4420719 Cross-tied current regulator for load commutated inverter drives |
| 12/13/1983 | US4420715 Apparatus for controlling motor speed |
| 12/13/1983 | CA1158768A1 System for controlling the speed of a magnetic tape transport motor |
| 12/08/1983 | WO1983004349A1 Apparatus for processing regenerative energy of ac motor |
| 12/06/1983 | US4419615 Method of controlling pulse width modulated inverter for use in induction motor drive |
| 11/29/1983 | US4418309 Two phase induction motor circuit with series connected center-tapped stator windings |
| 11/29/1983 | US4418308 Scalar decoupled control for an induction machine |
| 11/29/1983 | US4418304 Circuit for controlling rotation of motor |
| 11/23/1983 | EP0094763A2 Pulse motor control device |
| 11/23/1983 | EP0094492A2 Multi-mode drive motor speed control for use in particular with information storage disks |
| 11/22/1983 | CA1157549A1 Circuit arrangement for energy economy |
| 11/10/1983 | WO1983003930A1 Power factor sensing motor controller |
| 11/10/1983 | WO1983003929A1 Induction motor driving device |
| 11/08/1983 | US4414499 Motor protecting improved energy economizer for induction motors |
| 11/02/1983 | EP0092937A1 Three phase variable frequency constant torque controllers for high torque servo positioners |
| 11/01/1983 | US4413217 Power factor controller |
| 11/01/1983 | US4413211 Control circuit for electrical appliances |
| 10/26/1983 | EP0092370A1 A.C. motor controller |
| 10/26/1983 | EP0091927A1 An arrangement for driving pumps and like loads |
| 10/25/1983 | US4412167 Polyphase power factor controller |
| 10/25/1983 | US4412163 Positioning drive |
| 10/25/1983 | US4412158 Speed control circuit for an electric power tool |
| 10/25/1983 | CA1155950A1 Digital control system for electric motors in power tools and the like |
| 10/18/1983 | US4410845 Backspin detection circuit for a submersible pump |
| 10/18/1983 | CA1155530A1 Digital speed control system for sewing machines |
| 10/12/1983 | EP0091197A1 Condition responsive control system |
| 10/12/1983 | EP0091192A1 Servo control apparatus and method of controlling the rotational velocity and phase of a rotating mechanism |
| 10/12/1983 | EP0091191A1 Phase detector control for a servo system |
| 10/12/1983 | EP0091188A1 Microprocessor controlled multiple servo system for a recording and/or reproducing apparatus |
| 10/11/1983 | US4409534 Microcomputer-based pulse width modulated inverter fed machine drive system |
| 10/11/1983 | US4409532 Start control arrangement for split phase induction motor |
| 10/11/1983 | CA1155198A1 Digital motor control system |
| 10/04/1983 | US4408149 Self-optimizing voltage control of an induction motor |
| 10/04/1983 | CA1154844A1 Motor speed control |
| 09/29/1983 | WO1983003325A1 Speed control circuit for motor |
| 09/21/1983 | EP0089208A2 A.C. motor drive apparatus |
| 09/20/1983 | CA1154126A1 Motor speed control |
| 09/14/1983 | EP0088626A2 Apparatus for controlling the speed of a rotating body |
| 09/13/1983 | US4404512 Motor drive circuit |
| 09/13/1983 | US4404511 Motor power factor controller with a reduced voltage starter |
| 09/13/1983 | US4404509 Device for controlling the drive of a stepping motor, to adjust the lateral stitch bight and/or the feed length of a sewing machine |
| 09/07/1983 | EP0087429A1 Marine drive system |
| 08/24/1983 | EP0086650A2 Apparatus for providing a controlled power waveform |
| 08/23/1983 | US4400655 Self generative variable speed induction motor drive |
| 08/23/1983 | US4400654 Digital speed control for a brushless DC motor |
| 08/23/1983 | US4399892 Thyristor Leonard type elevator control system |
| 08/23/1983 | CA1152581A1 Phase comparison circuit |
| 08/23/1983 | CA1152580A1 Phase comparison circuit arrangement |
| 08/17/1983 | EP0086114A1 Electrical tool having speed control circuit |
| 08/10/1983 | EP0085394A1 Control system for electric cars driven by induction motors |
| 08/10/1983 | EP0085338A1 Device for determining the common frequency of two independently variable alternating values, in particular in a rotating field machine |
| 07/12/1983 | US4393340 Motor speed control device |
| 07/07/1983 | WO1983002341A1 Improved motor speed control system |
| 07/05/1983 | US4392100 Optimum efficiency control system |
| 06/21/1983 | US4389607 Synchronous motor control device |
| 06/14/1983 | US4388578 Power factor controller |
| 06/08/1983 | EP0080788A1 Pulsed thyristor trigger control circuit |
| 06/07/1983 | US4387421 Optimal and adaptive control of variable speed AC motor drives |
| 06/07/1983 | US4387329 Three phase power-factor control system for A.C. induction motors |
| 06/07/1983 | US4387326 Variable reluctance motor systems |
| 06/01/1983 | EP0080268A1 Tumbler dryers |
| 05/31/1983 | US4386302 Control device for a multispeed motor |
| 05/31/1983 | US4386301 Digital speed control system for sewing machines |
| 05/24/1983 | US4385268 Two-quadrant operation system for a slip-recovery drive |
| 05/24/1983 | US4385267 Controlled rotor rectifier arrangement for a slip-recovery drive |
| 05/24/1983 | CA1147017A1 Reluctance motors 4-phase converter |
| 05/18/1983 | EP0079169A1 A power controller |
| 05/11/1983 | EP0078698A1 AC motor control method and arrangement |
| 05/10/1983 | US4383208 Dynamic determination of friction in a closed loop control system |
| 05/04/1983 | EP0077836A1 Control apparatus for electric motors |
| 04/28/1983 | WO1983001542A1 An arrangement for driving pumps and like loads |
| 04/27/1983 | EP0077455A1 Print head control system with controlled acceleration and deceleration |
| 04/27/1983 | EP0077446A1 Print head velocity control system using analog and digital feedback |
| 04/26/1983 | CA1145123A1 Pipe repair methods and apparatus using an electromagnetically exploded filament |
| 04/20/1983 | EP0077118A1 Motor power factor controller with a reduced voltage starter |
| 04/05/1983 | US4379258 Power control circuit for induction motor |
| 03/29/1983 | US4378517 Method and apparatus for controlling the energization of an electric motor |
| 03/22/1983 | US4377778 Sewing machine speed control system having quick response characteristic |
| 03/17/1983 | WO1983000851A1 Marine drive system |