Driver device for reed switch and structure of mounting reed switch
US5537086A · kind A · utility
1Cited by
5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1994 |
| Grant date | Jul 16, 1996 |
| Priority date | — |
| Expiry date | Apr 14, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H36/0026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A driver device for a reed switch includes a reed switch including first and second reed pieces; a first magnet for magnetizing the first reed piece so as to have a specific magnetic polarity; a rotary member located close to the second reed piece; a second magnet, fixed to the rotary member, having different magnetic poles arranged in the circumferential direction, the second reed piece being located to face the second magnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.