Two stage quadrature incremental encoder
US5021781A · kind A · utility
18Cited by
9References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1989 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Oct 18, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/37152
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An incremental position encoder and method are disclosed herein for a close loop position control system, for example, for positioning a printing device in an electronic postage meter. The incremental position encoder and method includes three channels, first and second of which provide signals for coarse position determination and first or second and third of which provide signals for fine position determination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.