Diagnostic device for an antenna
US7126344B2 · kind B2 · utility
3Cited by
11References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2002 |
| Grant date | Oct 24, 2006 |
| Priority date | — |
| Expiry date | Jul 14, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/3241
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A diagnostic device for an antenna includes a coil (20) or the like connected on the one hand to a reference potential and on the other hand to the output of an amplifier (12), including two condensers (C2, C3) mounted in series, a first condenser (C2) being mounted in parallel with the coil (20) and the second condenser (C3) being inserted between a terminal of the coil (20) and the reference potential. The device is configured for the detection of the presence of an antenna in a hands free automotive vehicle system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.