Magnetic pole detection system and magnetic pole detection method
US8659290B2 · kind B2 · utility
2Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2011 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Mar 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/2497
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A magnetic sensor array including a plurality of magnetic sensors detects a phase regarding a magnetic pole of a magnetic pole array including magnetic poles of N and S arranged alternately. A pitch identification unit detects a pitch number of the magnetic pole currently being detected by the magnetic sensor array, in the magnetic pole array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.