Circular microstrip vehicular rf antenna
US4821040A · kind A · utility
112Cited by
28References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1986 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Dec 23, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q13/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A compact, easy to manufacture quarter-wavelength microstrip element especially suited for use as a mobile radio antenna has performance which is equal to or better than conventional quarter wavelength whip-type mobile radio antennas. The antenna is not visible to a passerby observer when installed, since it is literally part of the vehicle. The microstrip radiating element is conformal to a passenger vehicle, and may, for example, be mounted under a plastic roof between the roof and the headliner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.