Safety switch
US6409083B1 · kind B1 · utility
19Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1999 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Jun 1, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/958
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A safety switch for monitoring movable protection devices comprises a switching member with at least one reading head, and an actuating element which can be moved in relation the reading head. The actuating element engages in contactless interaction with the reading head. The actuating element has an inductive reactance for interaction with the reading head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.