Antenna system especially for an anti-theft system of a motor vehicle
US6392607B1 · kind B1 · utility
3Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2000 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Sep 1, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2009/00769
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna system, especially for an anti-theft system of a motor vehicle. A primary magnetic field is produced by a primary coil (2). In the vicinity of the primary coil (2), a coupling coil (11) is disposed which is connected by a flexible conductor (12) with a secondary coil (13). By the magnetic connection of the primary field a secondary field can be produced through the secondary coil (13), which due to the distributed installation of the secondary coils (13) can act specifically in areas in which the primary field is not acting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.