Automobile antenna system
US4819001A · kind A · utility
15Cited by
32References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1985 |
| Grant date | Apr 4, 1989 |
| Priority date | — |
| Expiry date | Nov 25, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/3283
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An automobile antenna system mounted on a vehicle body electromagnetically detects surface currents induced on the vehicle body by broadcast waves. The antenna system includes a casing, a loop antenna and circuitry housed in the casing. A part of the loop antenna which is exposed from an opening provided in the casing is mounted on the vehicle body in proximity to a marginal edge portion thereof. The casing has a metallic electrostatically shielded portion for housing the circuitry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.