Method and apparatus for stepper motor position control
US4409530A · kind A · utility
14Cited by
10References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1980 |
| Grant date | Oct 11, 1983 |
| Priority date | — |
| Expiry date | Nov 10, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/41326
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A stepper motor positioning control utilizing phase detection of the stepper motor windings. The device utilizes crude positioning apparatus to position the attached turntable or the like in an approximate position. The phase detection of the stepper motor windings is then used to position the attached turntable in the exact location desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.