Derive speed from back electromotive force, bemf

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Patents Grantslast 30 patents

Information Patent Grant
Servomotor control systems and methods
- Patent number 9,360,846
- Issue date Jun 7, 2016
- Horizon Hobby, LLC
- Paul Beard
- G05 - CONTROLLING REGULATING
Information Patent Grant
Elevator door control system
- Patent number 4,776,433
- Issue date Oct 11, 1988
- Westinghouse Electric Corp.
- James L. Lagree
- G05 - CONTROLLING REGULATING
Information Patent Grant
Remote window operating system
- Patent number 4,544,865
- Issue date Oct 1, 1985
- Amerock Corporation
- William G. Sharp
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
3376486
- Patent number 3,376,486
- Issue date Apr 2, 1968
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES