Angular position sensor working to measure high linearity magnetic flux density
US7298395B2 · kind B2 · utility
12Cited by
3References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 13, 2004 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | May 27, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/145
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An angular position sensor is provided which is designed to an angular position of a rotary shaft. The angular position sensor has a magnet affixed to the rotary shaft. The magnet has an N-pole and an S-pole and is so geometrically shaped as to produce magnetic flux which is substantially uniform in amount within a range extending around each of centers of the N-pole and the S-pole. This improves the linearity of a change in sensor output upon rotation of the rotary shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.