Rotation angle detector
US6861837B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2004 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Jun 7, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D2205/28
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A rotation angle detector is simple in structure and is capable of angle detection with a high resolution. First and second detecting units detect rotations of first and second detecting members rotating in association with a rotating member as detection signals in which predetermined waveforms continue. A control unit connected with the first and second detecting units detects a difference between the waveforms output from first and second detecting units as a gradually increasing detection signal and detects a rotation angle of the rotating member from two signals: the gradually increasing detection signal and the waveform output from the first detecting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.