| Patents for H02P 8 - Arrangements for controlling dynamo-electric motors rotating step by step (4,097) |
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| 12/31/1986 | CN85105312A Driving power supply for step electric motor |
| 12/30/1986 | US4633156 Stepping motor assembly |
| 12/30/1986 | EP0205989A2 Power transmission and braking system |
| 12/30/1986 | EP0205988A1 Improvements in machine tools |
| 12/23/1986 | US4631466 Phase locked stepper motor controlled light chopper |
| 12/17/1986 | EP0200959A2 Stepping motor control system |
| 12/10/1986 | CN86202716U High-low voltage power for driving step motor |
| 12/09/1986 | US4628475 Pulse width modulation pulse generator |
| 12/03/1986 | EP0203338A2 Driving circuit for a step motor |
| 12/02/1986 | US4626760 Control circuit for a stepping motor |
| 12/02/1986 | US4625667 Sewing machine with a step motor for feed control |
| 12/02/1986 | CA1214846A1 Control apparatus for a step drive |
| 11/20/1986 | EP0202043A2 Control for a stepper motor or other synchronous motor |
| 11/18/1986 | US4623828 Multiple phase stepper motor torque control apparatus and method |
| 11/12/1986 | CN86102796A Phase locked stepper motor controlled light chopper |
| 11/11/1986 | US4622505 Device for controlling rotation of stepping motor |
| 10/29/1986 | EP0199613A1 Process and device to control the acceleration of an electric stepper motor |
| 10/29/1986 | EP0199217A2 Phase locked stepper motor controlled light chopper |
| 10/21/1986 | US4618808 Electromagnetic actuator system using stepper motor with closed loop position sensing, electronic commutation and dynamic position and anomaly correction |
| 10/07/1986 | CA1212412A1 Stepper motor control circuit |
| 09/23/1986 | US4613806 Stepper motor logic circuit |
| 09/10/1986 | EP0194136A2 Electronic timepiece with a solar cell |
| 09/10/1986 | CN86101222A Integration type micro-pace-control circuit of step-motor |
| 09/03/1986 | EP0192896A2 Apparatus for recording and reading binary information on a magnetic disc |
| 09/02/1986 | US4609953 Disk unit |
| 09/02/1986 | US4609868 Circuit for detecting the failure of a step motor to respond to energization commands |
| 09/02/1986 | US4609857 Pulse motor driving circuit for floppy disc |
| 08/19/1986 | US4607204 Five-phase stepping motor |
| 08/13/1986 | EP0190591A1 Motor assembly capable of functioning at a high speed |
| 08/06/1986 | EP0189794A2 Electromagnetic actuator system |
| 08/06/1986 | EP0189732A1 Driving device for an electric motor with permanent magnetized rotor |
| 08/06/1986 | EP0189537A1 Motor device |
| 08/05/1986 | US4604034 Peristaltic pumps |
| 07/29/1986 | US4603287 Method of driving 5-phase stepping motor |
| 07/29/1986 | CA1208490A1 Printer escapement servomotor drive with a minimum power supply |
| 07/23/1986 | EP0188070A1 Microprocessor stepper motor drive |
| 07/22/1986 | US4602197 Stepping motor control system |
| 07/16/1986 | EP0187224A1 Current controlled motor drive circuit |
| 07/15/1986 | US4600868 Open loop acceleration/deceleration control for disk drive stepper motors |
| 07/08/1986 | US4599005 Step motor control mechanism for electronic timepiece |
| 06/17/1986 | US4595871 Stepping motor of hybrid multi-phase type and device for its control |
| 06/11/1986 | EP0183710A1 Permanent magnet stepping motor apparatus |
| 06/10/1986 | US4594620 Disk storage file with a four phase, single phase drive stepping motor |
| 06/04/1986 | EP0183260A2 Stepping motor drive circuit |
| 05/28/1986 | EP0182774A2 Step motor monitoring device |
| 05/28/1986 | EP0182490A1 Improvements in or relating to stepping motor driven electronic timepieces |
| 05/27/1986 | US4591774 High performance incremental motion system using a closed loop stepping motor |
| 05/20/1986 | US4590412 Method of energizing a stepping motor |
| 05/20/1986 | US4590411 Linear motors and control circuitry therefor |
| 05/20/1986 | US4589790 Method and apparatus for controlling escapement |
| 05/20/1986 | US4589753 Lens mounting having a reversible motor for controlling focusing and aperture setting of a camera |
| 05/10/1986 | CN85108798A Head positioning control system in magnetic disk device of index servo system |
| 05/06/1986 | US4587473 Stepper motor control circuit |
| 04/23/1986 | EP0178615A2 Power supply systems for inductive elements |
| 04/22/1986 | US4584512 Microstepping drives with waveform tuning and microprocessor control |
| 04/16/1986 | EP0178276A2 Motor drive/control circuit |
| 04/15/1986 | US4583033 Speed control device for stepping motor |
| 04/01/1986 | US4580087 Stepping motor control circuit |
| 03/19/1986 | EP0174327A1 A method of and apparatus for controlling a stepping motor |
| 03/12/1986 | EP0036424B1 Circuit arrangement for an asynchronous motor drive with variable speed |
| 03/04/1986 | US4574228 Current controlled motor drive circuit |
| 02/25/1986 | CA1201158A1 Step motor driving circuit |
| 02/19/1986 | EP0171635A1 Method and apparatus to recognise the position of the rotor of a stepping motor |
| 02/18/1986 | CA1200836A1 Average current regulation for stepper motors |
| 02/04/1986 | US4568867 Method for reducing the consumption of a stepping motor and device for carrying out the method |
| 01/28/1986 | US4567418 Operation control apparatus for robots |
| 01/14/1986 | US4564796 Driving circuit for a stepping motor |
| 01/02/1986 | EP0166335A2 Recognition method for step losses of stepping motor-driven regulating devices |
| 12/31/1985 | US4562395 Damped stepping motor for the driving of a measuring mechanism, particularly a roller counting mechanism having a control circuit arrangement |
| 12/11/1985 | EP0163947A1 Stepping motor control apparatus |
| 12/11/1985 | EP0163850A1 Method and device for synchronizing a material web, in particular a photosensitive material web, in a photocomposing process |
| 12/10/1985 | US4558268 Control device for two bidirectional step motors |
| 12/04/1985 | EP0163090A2 Method and apparatus for controlling escapement |
| 12/03/1985 | US4556836 Multiphase motor damping method and circuit arrangement |
| 12/03/1985 | CA1197550A1 Linear motors and control circuitry therefor |
| 11/27/1985 | EP0162177A1 Current control circuit with particular application in bipolar and unipolar constant current control of stepmotors |
| 11/27/1985 | EP0162150A2 Motor |
| 11/26/1985 | US4555653 Pulse motor driving apparatus |
| 11/21/1985 | EP0161582A1 Stepping motor assembly |
| 11/05/1985 | US4551665 Method of and a device for controlling a stepping motor |
| 10/29/1985 | US4550279 Step-by-step motor unit |
| 10/23/1985 | EP0159114A1 Stepper motor controller |
| 10/22/1985 | US4549126 Pulse motor-driving circuit |
| 10/15/1985 | US4546796 Apparatus for supplying gas under pressure and distributing it between n outlets |
| 10/15/1985 | CA1195376A1 Microprocessor controlled pulse motor |
| 10/08/1985 | CA1194922A1 Device for driving a stepping motor |
| 10/08/1985 | CA1194921A1 System for linear motor control |
| 09/26/1985 | WO1985004269A1 Permanent magnet stepping motor apparatus |
| 09/25/1985 | EP0155932A2 Circuit arrangement |
| 09/25/1985 | EP0155661A1 Control circuit for a stepping motor |
| 09/18/1985 | EP0154889A1 Constant-power supply means for a stepping motor fed by a variable-tension source |
| 09/17/1985 | US4542329 Energizing method for a single phase timepiece stepping motor |
| 09/17/1985 | CA1193649A1 Method of, and apparatus for, damping of stepper motor using non-active windings |
| 09/12/1985 | WO1985004061A1 A method of and apparatus for controlling a stepping motor |
| 09/10/1985 | US4541053 Electronically controlled postage metering machine and free stamping machine |
| 09/10/1985 | US4540944 Method of converting pulse frequency in a control circuit of a pulse motor |
| 09/10/1985 | US4540928 Closed loop resonance compensation circuit for stepper motors |
| 09/10/1985 | US4540927 Two speed step motor driving apparatus for copying machines |
| 09/03/1985 | US4538717 Control apparatus for a step drive |
| 09/02/1985 | EP0085098A4 Method for controlling the final approach to a desired destination and direct motor control system for performing same. |