Communications: radio wave antennas – Antennas – With vehicle
Patent
1991-12-12
1993-08-24
Hille, Rolf
Communications: radio wave antennas
Antennas
With vehicle
343704, H01Q 132
Patent
active
052393038
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 extended end of the reactance element (C) the antenna is connected to a feed point which is located near the side edge of the window glass.
REFERENCES:
patent: 4260989 (1981-04-01), Ishii et al.
patent: 4608570 (1986-08-01), Inaba et al.
patent: 4954797 (1990-09-01), Shinnai et al.
patent: 4967202 (1990-10-01), Shinnai et al.
patent: 5101212 (1992-03-01), Shinnai et al.
Fujii Kazuhiko
Hirotsu Tohru
Tadokoro Shingo
Tsukada Tokio
Central Glass Company Limited
Hille Rolf
Le Hoang-anh
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