Dynamic adjustment of a sampling rate for an optical encoder
US9651405B1 · kind B1 · utility
56Cited by
4References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 6, 2015 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Nov 11, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0362
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A light source in a rotary optical encoder can illuminate a pattern on a rotatable shaft and an optical sensor can detect either the light that is reflected or transmitted based on the pattern. A sampling rate of the optical sensor is dynamically adjusted based on a rotational speed of the rotatable shaft. A pulse rate of the light source may also be dynamically adjusted based on the sampling rate of the optical sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.