Control device for a step-by-step motor
US4208868A · kind A · utility
11Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1973 |
| Grant date | Jun 24, 1980 |
| Priority date | — |
| Expiry date | Sep 5, 1993 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04C3/143
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Device for controlling a monophase rotary step-by-step motor supplying electric control pulses to the winding of the motor, comprising means for detecting the variation of the current passing through the motor winding at each control pulse, this detection means including means of interrupting the control pulse when a minimum appears in the current passing through the winding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.