Communications: radio wave antennas – Antennas – With vehicle
Patent
1990-07-23
1992-03-31
Wimer, Michael C.
Communications: radio wave antennas
Antennas
With vehicle
343704, H01Q 132
Patent
active
051012120
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 a combination of a main antenna and a secondary antenna, and every element of the antenna is a conductive strip. The main antenna has at least two horizontally extending primary elements which are parallel to and at a relatively short distance from each other. Each of the primary elements has a length of 300-550 mm and is connected at its one end to the other(s) by a subsidiary element arranged perpendicular to the primary elements. The secondary antenna has a middle part, which is relatively long and extends horizontally, and two extension parts which extend from the two opposite ends of the middle part parallel and close to the two opposite side edges of the window glass, respectively. The middle part is close to the upper edge of the window glass or close to the uppermost heater strip. The secondary antenna is connected to the main antenna by a straight extension of the subsidiary element of the main antenna.
REFERENCES:
patent: 4063247 (1977-12-01), Sakurai et al.
patent: 4954797 (1990-09-01), Shinnai et al.
Hirotsu Tohru
Nishikawa Kazuya
Shinnai Masao
Tsukada Tokio
Central Glass Company Limited
Le Hoang-anh
Wimer Michael C.
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