Magnetic gear tooth sensor with Hall cell detector
US6690155B2 · kind B2 · utility
8Cited by
19References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2002 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | May 15, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/24495
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sensor includes a Hall cell and a compensation circuit for subtracting a magnet background field from the Hall cell output to provide a signal corresponding to rotations of a toothed ferrous gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.