Wide-band antenna on vehicle rear window glass
US5239303A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1991 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Dec 12, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/1271
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention relates to an antenna on a vehicle rear window glass for the reception of FM radio broadcasting and TV broadcasting in both the VHF and UHF bands. The window glass is provided with defogging heater strips, and the antenna uses a space left above the heater strips. The antenna is constructed of a plurality of linear elements comprising (A) a combination of two primary elements, which are spaced from each other in the direction widthwise of the window glass and each of which has two parallel horizontal parts and at least one relatively short vertical part connecting the two horizontal parts at their ends, and a linear conductor connecting the two primary elements to each other, (B) a secondary element having a vertical part extending upward from a selected part of the combination (A) and a horizontal part extending from the upper end of the vertical part toward a side edge of the window glass and (C) a reactance element which extends downward from the extended end of the horizontal part of the secondary element (B) and makes at least two turns so as to have at least one L-shaped portion in which one leg part is parallel to another part of the reactance element. At the e…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.