Electric key switch with key sensing and ejection
US6969810B1 · kind B1 · utility
3Cited by
17References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 2004 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | May 25, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H27/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical key switch provides a sensing of inserted keys and an ejector mechanism preventing parking of the key in a partially inserted position within the key switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.