| Patent No. | Patent Title: |
| 5254914 | Position detection for a brushless DC motor without Hall effect d... |
| 5189357 | Method and apparatus for improving performance of AC machines |
| 5173645 | Brushless motor drive circuit |
| 5172036 | Method and apparatus for resynchronizing a moving rotor of a poly... |
| 5170110 | Regulator mechanism for a two-speed motor |
| 5164651 | Starting-current limiting device for single-phase induction motor... |
| 5165006 | Vehicle motor switching apparatus |
| 5162707 | Induction motor propulsion system for powering and steering vehic... |
| 5159657 | Method and apparatus for controlling single or polyphase a.c. pow... |
| 5157307 | Sewing machine drive apparatus |
| 5153489 | Electric current measurement apparatus for a solid state motor co... |
| 5151641 | Electric automobile driving apparatus |
| 5151642 | Apparatus for controlling an electric motor |
| 5150020 | Driving controlling method for drums of automatic winder |
| 5150029 | Method and apparatus for controlling the magnetic flux of an indu... |
| 5148093 | System for controlling AC excited synchronous machine |
| 5146146 | Method and device for operating electric drives |
| 5144216 | High speed flux feedback for tuning a universal field oriented ... |
| 5144215 | Current supply control apparatus for an inductance load |
| 5142214 | Synchronous motor having selectable rotation direction |
| 5140244 | Lock detector for switched reluctance machine rotor position esti... |
| 5140232 | Brushless motor drive circuit |
| 5140248 | Open loop motor control with both voltage and current regulation |
| 5140245 | PMG-based position sensor and synchronous drive incorporating sam... |
| 5136228 | Induction motor vector control |
| 5122715 | Drive device for a brushless motor |
| 5121043 | PWM control in the pulse dropping region |
| 5115181 | Power converter for a switched reluctance motor |
| 5113126 | Control device for electric car |
| 5103153 | Control equipment for multi-speed electric motors |
| 5097191 | Reluctance type electric motor |
| 5097193 | Method and apparatus for direct regulation of output currents of ... |
| 5091686 | Operation control circuit for pump motor |
| 5089760 | DC bus voltage regulation by controlling the frequency in a varia... |
| 5086491 | Electronic control circuit for A/C motors |
| 5077512 | Energy conserving electric motor control method and apparatus |
| 5077508 | Method and apparatus for determining load holding torque |
| 5077823 | Electric motor starting circuit |
| 5075613 | Electrical motor monitoring system for a domestic appliance |
| 5070290 | Alternating current motor control system with emergency control ... |