Incremental optical encoder with radiation regulation means
US4982085A · kind A · utility
0Cited by
10References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1989 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Sep 19, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/301
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An incremental optical encoder comprising a luminous source 1, an encoder disk 4 having windows 5 and a sensor 3 with at least two photosensitive elements. The light intensity from the source may be varied by use of a U-shaped wire 8 having a branch 12 positioned between the luminous source at the photosensitive elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.