Parking control device
US7474233B2 · kind B2 · utility
3Cited by
10References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 2004 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Sep 4, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/065
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A vehicle detection device with a parking gate and a parking stand includes a geomagnetic field sensor in the parking stand for detecting a vehicle at the parking stand and/or a geomagnetic field sensor in the parking gate for detecting a vehicle beneath the opened parking gate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.