Angle detector with self-calibration capability
US7143518B2 · kind B2 · utility
5Cited by
5References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 30, 2005 |
| Grant date | Dec 5, 2006 |
| Priority date | — |
| Expiry date | Aug 30, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/3473
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An angle detector with self-calibration capability has a number of first scale read heads and one second scale read head around the periphery of a single scale disk and includes means for performing self-calibration by determining measurement differences between the second scale read head and the individual first scale read heads and calculating the average thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.