Device for detecting and signaling a change in the state of a push button
US9390874B2 · kind B2 · utility
1Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2011 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Nov 29, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2003/024
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device for detecting and signalling a change of state of a push-button, for example of emergency stop type. The device is in a form of an attachment that can be removed from the push-button and includes: an electrical energy generator housed in a casing of the device and configured to cooperate with a control head of the push-button to convert mechanical energy into electrical energy; and a wireless transmitter to send a message to a remote receiver, the wireless transmitter being housed in the casing and electrically connected to the electrical energy generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.