| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 09/05/1984 | EP0117494A1 Speed control device for stepping motor |
| 09/04/1984 | US4469996 Input control circuit for a step motor |
| 09/04/1984 | US4469995 Method of stopping a stepping motor |
| 09/04/1984 | CA1173894A1 Method for detecting position of a stepping motor |
| 08/29/1984 | EP0116677A1 Stepping motor drive circuit |
| 08/28/1984 | US4468602 Method for reducing the consumption of a stepping motor and device for performing the method |
| 08/28/1984 | US4468601 Stepper motor control |
| 08/22/1984 | EP0116112A1 Average current regulator for stepper motors |
| 08/21/1984 | US4467256 Method and device for controlling a stepping motor of a timepiece |
| 08/21/1984 | US4467255 Position detector for a stepping motor |
| 08/14/1984 | US4465959 Step motor drive control |
| 08/02/1984 | WO1984003013A1 Switch circuit having improved switching characteristics |
| 07/31/1984 | US4463301 Step motor driving circuit |
| 07/24/1984 | US4461583 Alarm electronic timepiece having a stepping motor |
| 07/24/1984 | CA1171524A1 Control system for transducer positioning motor |
| 07/18/1984 | EP0113529A2 Drive control method for stepping motors |
| 07/17/1984 | US4460859 Stepping motor assembly |
| 07/17/1984 | US4460282 Timepiece stepping motor drive circuit with stepping failure compensation |
| 07/10/1984 | US4459527 Stepper motor control circuit |
| 07/04/1984 | EP0112730A2 A stepper motor control system |
| 07/03/1984 | US4458191 Step motor drive circuit |
| 06/26/1984 | US4456866 Method for slaving a stepping motor and arrangement for practising the method |
| 06/20/1984 | EP0111068A1 Stepping motor driving circuit |
| 06/19/1984 | US4455520 Method and means for stable operation of a synchronous motor |
| 06/19/1984 | US4455512 System for linear motor control |
| 06/05/1984 | US4453194 Integrated power circuit with current sensing means |
| 05/22/1984 | US4450517 Current control circuit with particular application in bipolar constant current control of step motors |
| 05/22/1984 | US4450394 Stepper motor drive circuit |
| 05/16/1984 | EP0108711A1 Method and device for controlling a step motor |
| 05/15/1984 | US4449086 Method and apparatus for controlling and regulating a motor with a permanent magnetic rotor |
| 05/09/1984 | EP0107807A1 Step motor driving circuit |
| 05/01/1984 | US4446413 Method for reducing the consumption of a stepping motor and device for carrying out the method |
| 05/01/1984 | US4446412 Method and apparatus for controlling stepper motors |
| 05/01/1984 | US4446411 Optimum acceleration/deceleration circuit |
| 05/01/1984 | US4445784 Electronic timepiece |
| 05/01/1984 | CA1166683A1 Movement detector for a stepping motor |
| 04/25/1984 | EP0106595A2 Multi-function machine tooling |
| 04/24/1984 | US4445077 Drive circuit for step motor |
| 04/17/1984 | US4443746 Control circuit for stepping motor |
| 04/10/1984 | US4442392 Electric indexing drive and stepping motor with drive retardation therefor |
| 04/03/1984 | CA1164930A1 Quantized speed control of a stepper motor |
| 03/27/1984 | US4439717 Control device for a stepping motor |
| 03/27/1984 | CA1164523A1 Movement detector for a stepping motor |
| 03/21/1984 | EP0103542A1 Stepping motor assembly |
| 03/20/1984 | US4438381 Synchronous motor system |
| 03/20/1984 | US4438380 Disk storage system |
| 03/20/1984 | US4438379 Method of damping a stepping motor |
| 03/20/1984 | US4437769 Electronic timepiece |
| 03/14/1984 | EP0102471A2 Stepping motor driving circuit |
| 03/13/1984 | US4437049 Stepper motor controller |
| 02/29/1984 | EP0101538A2 Printer escapement servomotor drive system |
| 02/28/1984 | US4434392 Circuit arrangement for controlling the commutation in a stepping motor |
| 02/21/1984 | US4433401 Electronic timepiece having a stepping motor and driving circuit compensated for power source variations |
| 02/15/1984 | EP0100576A1 Method of analysing the voltage induced in an exciter coil of a stepping motor |
| 02/14/1984 | US4431955 Step motor control circuit |
| 02/14/1984 | CA1162276A1 Stepper motor load tuning |
| 02/07/1984 | US4430007 Method of reducing the power consumption of the stepping motor of an electronic timepiece and an electronic timepiece employing the method |
| 01/31/1984 | US4429268 Speed control for step motors |
| 01/24/1984 | CA1161108A1 Device for the pulsed drive of an electric motor for reducing the response of mechanical resonnance vibrations |
| 01/17/1984 | US4426608 Stepping motor control system |
| 01/10/1984 | US4425538 Timepiece with a device for the control of a stepping motor |
| 01/04/1984 | EP0097350A1 Method of feeding a single phase stepping motor of a time piece |
| 01/04/1984 | EP0097311A1 Device for the metering and distribution of a pressurized gas between n exits |
| 12/28/1983 | EP0097145A2 Circuit arrangement for regulating current commutation |
| 12/27/1983 | US4423447 Head positioning mechanism for magnetic disc memory device |
| 12/27/1983 | US4423366 Motor drive |
| 12/20/1983 | US4422040 Method of testing stepping motors |
| 12/13/1983 | US4420717 Use of motor winding as integrator to generate sawtooth for switch mode current regulator |
| 11/30/1983 | EP0095375A1 Spacecraft solar array pointing drive |
| 11/29/1983 | US4418307 Method and apparatus for controlling the rotational speed and phase of synchronous motors |
| 11/23/1983 | EP0094763A2 Pulse motor control device |
| 11/23/1983 | EP0094696A1 Method and arrangement for the control and regulation of, especially, a clock motor with a permanent magnet rotor |
| 11/22/1983 | US4417189 Control circuit for stepper motor |
| 11/22/1983 | US4417188 Pulse motor driving system |
| 11/16/1983 | EP0093912A1 Linear motor |
| 11/15/1983 | US4415845 Electric motor control device |
| 11/08/1983 | US4414498 Stepping motor drive circuit |
| 11/08/1983 | US4414497 Digitally controllable electronic damper |
| 11/08/1983 | US4414496 Electronic typewriter and its control apparatus |
| 10/26/1983 | EP0092522A1 Reversible step motor and method of controlling the same |
| 10/25/1983 | US4412166 Stepper motor drive circuit for synchronous switching of core winding |
| 10/25/1983 | CA1155911A1 Electronic damping of stepper motor |
| 10/04/1983 | CA1154845A1 Multi-phase motor with a back-emf feedback system |
| 09/13/1983 | US4404510 Electronic timepiece |
| 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 | EP0087583A1 Integrated power circuit with current sensing means |
| 08/31/1983 | EP0087387A1 Method and means for controlling a bidirectional step-motor |
| 08/31/1983 | EP0087172A1 Method and circuitry for controlling the torque of a stepping motor |
| 08/30/1983 | US4401931 Apparatus actuated by a pair of stepper motors with shared drive |
| 08/10/1983 | EP0085648A1 Stepping motor with two directions of rotation, in particular for electronic time pieces, and motor unit comprising the same |
| 08/10/1983 | EP0085098A1 Method for controlling the final approach to a desired destination and direct motor control system for performing same |
| 08/04/1983 | WO1983002695A1 Stepper motor control circuit |
| 07/20/1983 | EP0083841A1 Stepping motor exciting system |
| 07/06/1983 | EP0083231A1 Control circuit for stepping motor |
| 07/05/1983 | US4392097 Circuit arrangement for the continual operation monitoring and error diagnosis of a stepper motor |
| 07/05/1983 | US4391244 Device of controlling the idling speed of an engine |
| 06/21/1983 | US4389605 Pulse motor driving apparatus |
| 06/17/1983 | EP0071642A4 Microprocessor controlled micro-stepping chart drive. |
| 06/07/1983 | US4387328 Shaped voltage waveform motor controller |
| 06/07/1983 | US4386852 Phase synchronization apparatus |