Switch state detection circuit and switch system
US9543084B2 · kind B2 · utility
1Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2014 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Jul 4, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/167
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switch state detection circuit according to the present invention comprises: a plurality of switch connection portions to each of which a switch is connected, a connection line to which any one of the switch connection portions is connected in a switchable manner, a detection portion that detects a state of the switch connected to the connection line based on a state of the connection line, and a connection control portion that switches successively each of the switch connection portions and connects it to the connection line, wherein the state of each switch is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.