| Patents for H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487) |
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| 01/06/1987 | US4634952 Inverter |
| 01/06/1987 | US4634950 Electric apparatus |
| 01/06/1987 | US4633694 Automatic control on strip continuous processing lines |
| 12/24/1986 | CN86103878A Control device for alternating current elevator |
| 12/23/1986 | US4631462 System for controlling the speed of an electric motor |
| 12/17/1986 | EP0204903A1 Servo control of a motor speed by using a phase locked loop |
| 12/16/1986 | US4629960 Induction motor controller |
| 12/03/1986 | EP0203550A1 Adaptive electrical control system |
| 12/03/1986 | EP0203145A1 Microprocessor speed controller |
| 12/02/1986 | US4626762 AC motor control system |
| 12/02/1986 | US4626753 Motor speed control by measurement of motor temperature |
| 12/02/1986 | US4625834 Speed control apparatus for elevator |
| 11/25/1986 | US4625159 Control apparatus for elevator |
| 11/18/1986 | US4623042 Elevator control apparatus |
| 11/18/1986 | CA1214291A1 Elevator polyphase motor control |
| 11/05/1986 | EP0200314A2 Electric motor control system |
| 10/28/1986 | US4620272 Line-regenerative motor controller with current limiter |
| 10/22/1986 | EP0198372A2 Method and arrangement to control an induction motor |
| 10/22/1986 | EP0198248A2 Control unit for a three-phase AC motor drive supplied by a frequency converter |
| 10/08/1986 | EP0196649A2 Stepless speed adjusting A.C. Motor |
| 09/24/1986 | EP0195697A1 Device to reduce the energy consumption of electric motors |
| 09/23/1986 | US4613799 Motor velocity control circuit |
| 09/16/1986 | CA1211577A1 Data input and output device for a drive regulation apparatus operated by a digital computer |
| 09/09/1986 | US4611159 AC motor control system |
| 09/09/1986 | US4611155 Servo control circuit |
| 09/03/1986 | EP0193212A2 Method for processing as a frequency submitted measured value |
| 08/19/1986 | US4607205 Method and system for reconnecting inverter to rotating motors |
| 08/19/1986 | CA1210149A1 Digital capstan servo circuit |
| 08/19/1986 | CA1210055A1 Precision electronic speed controller for an alternating-current motor |
| 08/12/1986 | US4605887 Arrangement for controlling the speed and positioning of an electric motor |
| 08/12/1986 | US4605884 Control unit |
| 07/30/1986 | EP0188576A1 Orbital shaker. |
| 07/22/1986 | US4602195 Industrial robot having individual electrical three-phase drives |
| 07/22/1986 | CA1208381A1 Apparatus for controlling an a-c power elevator |
| 07/17/1986 | WO1986004194A1 Speed control system for servo motors |
| 07/17/1986 | WO1986004193A1 Drive control system for servo motors |
| 07/15/1986 | US4600872 Apparatus for variable speed drive of an induction motor from a fixed frequency AC source |
| 07/15/1986 | US4600867 Motor speed controlling device |
| 07/15/1986 | US4600866 Motor revolution speed control device |
| 07/08/1986 | US4599569 Method and apparatus for detecting a phase or frequency error of a signal |
| 07/08/1986 | US4599549 Method and apparatus for controlling PWM inverters |
| 07/08/1986 | US4599545 Servomotor controller |
| 07/08/1986 | CA1207379A1 Induction motor controller |
| 07/02/1986 | EP0185773A1 Control board for ac motors |
| 07/02/1986 | CA1207019A Motor control apparatus with true rms non sinusoidal negative sequence stator current protection mode |
| 07/01/1986 | US4598354 Data input and output device for a drive regulation apparatus operated by a digital computer |
| 07/01/1986 | US4598239 Circuit for regulating the rpm and phase of a motor |
| 06/17/1986 | US4595868 Phase detector control for a servo system |
| 06/10/1986 | CN85107744A 电动泵 Electric pump |
| 05/27/1986 | US4591776 Synchronous machine with a superconducting voltage and speed regulator |
| 05/27/1986 | CA1205162A1 Electric motor damper drive with backup power pack |
| 05/22/1986 | WO1986003075A1 Microprocessor speed controller |
| 05/14/1986 | EP0181072A1 Motor speed control circuit |
| 05/10/1986 | CN85107258A Servo system |
| 05/07/1986 | EP0180311A1 Remote speed controller for a motor |
| 05/06/1986 | US4587605 Inverter-drive controlling apparatus |
| 04/23/1986 | EP0178869A2 Servo system |
| 04/22/1986 | US4584507 Motor speed control arrangement |
| 04/22/1986 | CA1203565A1 Method and apparatus for controlling the power factor of an induction-motor |
| 04/22/1986 | CA1203564A1 Three-phase power factor controller with induced emf sensing |
| 04/16/1986 | EP0177936A2 Digital servo apparatus |
| 04/16/1986 | EP0177525A1 Arrangement for the control or regulation of the rotation speed and/or the torque of an induction motor |
| 04/15/1986 | US4583033 Speed control device for stepping motor |
| 04/09/1986 | EP0176766A2 A power converter for a motor control system |
| 04/08/1986 | US4581569 AC motor control apparatus |
| 04/08/1986 | US4581568 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller |
| 04/01/1986 | US4580083 Chopper controller for a D.C. motor |
| 04/01/1986 | CA1202673A1 Overtemperature speed control for a variable speed device |
| 04/01/1986 | CA1202672A1 Digital servo circuit |
| 03/26/1986 | EP0175294A2 Method and apparatus for controlling induction motor |
| 03/25/1986 | US4578626 Electrical control arrangement for a rolling mill drive motor of a rolling mill |
| 03/25/1986 | US4578625 Rotational speed error detection circuit |
| 03/11/1986 | US4575668 Controller for providing PWM drive to an A.C. motor |
| 03/11/1986 | US4575667 AC Motor speed control apparatus |
| 03/11/1986 | CA1201749A1 Single phase four pole/six pole motor |
| 03/11/1986 | CA1201748A1 Six pole/eight pole single-phase motor |
| 03/10/1986 | CN85106646A Control device for elevator |
| 02/25/1986 | US4573002 Servomotor control system |
| 02/25/1986 | US4572995 Synchronism discriminating circuit |
| 02/18/1986 | US4571529 Actual speed value converter for the speed control in a motor drive system |
| 02/18/1986 | CA1200937A1 Elevator car load and position dynamic gain compensation |
| 02/13/1986 | WO1986000995A1 Orbital shaker |
| 02/11/1986 | US4570110 Programmable servo motor speed control apparatus |
| 02/05/1986 | EP0170641A2 A drive system for a.c. voltage motors |
| 01/28/1986 | US4567416 Device for controlling an electric motor |
| 01/28/1986 | US4567411 High frequency pulse width modulation |
| 01/28/1986 | US4567409 Control circuit for motor |
| 01/21/1986 | US4565953 Twelve pulse AC motor drive |
| 01/21/1986 | CA1199677A1 Waveform synthesizer and motor controller |
| 01/16/1986 | WO1986000490A1 Control board for ac motors |
| 01/15/1986 | EP0168256A2 Hand scanner |
| 01/14/1986 | US4564795 Motor speed control system |
| 01/14/1986 | US4564794 Phase locked loop and a motor control servo |
| 01/07/1986 | US4563623 Motor speed control apparatus |
| 01/02/1986 | EP0166052A1 Method and system for reconnecting inverter to rotating motors |
| 12/31/1985 | US4562394 Motor servo circuit for a magnetic recording and reproducing apparatus |
| 12/17/1985 | US4559485 Control systems for AC induction motors |
| 12/10/1985 | US4558269 Induction motor drive apparatus |
| 12/05/1985 | WO1985005509A1 Electric rotating apparatus |
| 11/26/1985 | US4555654 Means for reversing operation of a motor |