Wireless powerless switch sensor
US7466041B2 · kind B2 · utility
11Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2006 |
| Grant date | Dec 16, 2008 |
| Priority date | — |
| Expiry date | Mar 1, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/168
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A passenger door open request switch for use in a multi-passenger, mass-transit vehicle. A wireless, powerless switch sensor which includes an RFID reader, a circuit located remotely from the RFID reader that is formed by connecting an RFID antenna with a control/storage element, and a switch. The switch is connected between the antenna and the storage element in such a way as to either enable or disable the antenna. This allows the system to be configured to monitor the status of the switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.