Rotary encoder
US4652947A · kind A · utility
24Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1983 |
| Grant date | Mar 24, 1987 |
| Priority date | — |
| Expiry date | May 17, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H3/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotary encoder comprises a case containing a rotary brush setting plate and an idler gear which is associated with an inside gear formed on the brush setting plate and a reduction gear contained in the case and connected to a driving shaft penetrating the case. Brushes on the rotary brush setting plate rotatingly slide on the plural pulse producing conductive patterns formed on inside surface of the case, thereby to effect switching in plural modes as the shaft revolves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.