Magnetic field sensing device
US7202771B2 · kind B2 · utility
3Cited by
15References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2006 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Mar 8, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/096
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Two sensor units are formed from magnetoresistive material. Elements of the first sensor unit have a total anisotropy field in a first direction. Elements of the second sensor unit have a total anisotropy field in a second direction. An integral coil sets a direction of magnetization in the elements of the first and second sensor units. An output of the first sensor unit is representative of magnetic field components perpendicular to the first direction and an output of the second sensor is representative of magnetic field components perpendicular to the second direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.