Rotation switch and electronic timepiece
US8220987B2 · kind B2 · utility
24Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2010 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Jun 12, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H25/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotation switch includes an operating member that is operable to rotate, a magnet member that rotates integrally with the operating member, a magnetic sensor that is placed opposite to the magnet member, and a frame-shaped magnetic shield plate that surrounds the periphery of the magnetic sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.