Step motor excitation system
US4471282A · kind A · utility
6Cited by
0References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 1982 |
| Grant date | Sep 11, 1984 |
| Priority date | — |
| Expiry date | Apr 30, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P8/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A step motor provided with a plurality of coils and driven in a one-two phase excitation mode is provided with a current setting device by which the current flowing in the coils is changed when switching from one to two phase excitation, to linearize the time dependence of the rotation angle of the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.