State sensor systems and methods
US9366549B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2014 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Oct 23, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/72
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Sensor systems comprising a magnetic circuit comprising a coil, a magnet, at least one of a ferromagnetic armature plate and a conductive armature plate, wherein the at least one of the ferromagnetic armature plate and the conductive armature plate is configured to move axially in response to at least one of the magnet and the coil, and a controller configured to apply a known first voltage across the coil and monitor a current through the coil are provided. Methods are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.