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| Number | Title | Issue Date |
| 6680598 | Circuit for the speed recovery of a direct current motor and method using said circuit A circuit for the speed recovery of a direct current motor includes an output stage, output stage having a first pair of transistors, a second pair of transistors, and means a first circuit configured to detect a current circulating in the motor. The outp... | 01/20/2004 |
| 6659250 | Electro-mechanical torque control-elimination of stopping noise A method of returning an electromechanical axial setting device, particularly suited for friction couplings. The axial setting device includes two setting rings centered on a common axis, one of which is axially held, with the other one being axially disp... | 12/09/2003 |
| 6118241 | Dynamic braking system for electric motors A dynamic braking system for a brushless motor where energization of the motor winding is achieved through a transistor bridge circuit wherein half of the switching transistors are connected to a positive supply and the remaining switching transistors are... | 09/12/2000 |
| 5914582 | Permanent magnet synchronous motor controller and electric vehicle controller A permanent magnet synchronous motor controller includes an inverter for supplying an alternating current power converted from a direct current power to a three-phase permanent magnet synchronous motor, having a pair of switching elements for each of said... | 06/22/1999 |