Lock monitoring
US8710977B2 · kind B2 · utility
2Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 5, 2008 |
| Grant date | Apr 29, 2014 |
| Priority date | — |
| Expiry date | Dec 12, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The cars of a passenger transport means are provided with a sensor (3) which scans the state of the locking mechanism and with a transponder antenna (5) which is fitted to the outside of the car (1), and the stations (6) contain transmission antennas (7) which poll signals from the transponder antenna in contactless fashion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.