One time operating state detecting method and apparatus
US7248053B2 · kind B2 · utility
13Cited by
17References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 15, 2005 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Jul 15, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/175
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for detecting a change in an electrical property between contacts. A one-time operating state detection device includes a member coupling a pair of contacts and a detector for detecting a change in the coupling between the pair of contacts when the member is removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.