Methods and apparatus for magnetic sensor having an integrated coil or magnet to detect a non-ferromagnetic target
US10495699B2 · kind B2 · utility
8Cited by
265References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2013 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Jul 19, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/093
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for detecting a magnetic field include a magnetic source configured to provide a magnetic field to induce an eddy current in a non-ferromagnetic target, and a magnetic field sensing element configured to detect the magnetic field as a result of the eddy current. The magnetic field provided by the magnetic source can be a static (i.e. DC) field or a changing (i.e. non-DC) field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.