Glass antenna system for vehicles

Details Glass antenna system for vehicles Glass antenna system for vehicles

1998-02-20

1999-08-03

Wong, Don

Communications: radio wave antennas

Antennas

With vehicle

343704, H01Q 132

Patent

active

059331194

ABSTRACT:
There is provided a glass antenna system which is attached to a vehicle rear window glass for receiving FM and AM radio broadcast waves. The glass antenna system comprises a defogging heater element disposed on the rear window glass in a way as to leave a space therearound. The defogging heater element includes a plurality of heating strips and a pair of bus bars. The glass antenna system further comprises an antenna having a feed point disposed in a widthwise marginal area of said space under the heater element, a first vertical conductive strip disposed in an area of said space between one of the bus bars and a lateral edge of the window glass and connected at a lower end thereof to the feed point, a horizontal conductive strip disposed in an area of the space above the heater element and connected at one of opposite ends thereof to an upper end of the first vertical conductive strip, and a second vertical conductive strip connected at an upper end thereof to the other of the opposite ends of the horizontal conductive strip and extending downwardly therefrom in a way as to intersect at right angles while being electrically connected to the heating strips.

REFERENCES:
patent: 4967202 (1990-10-01), Shinnai et al.
patent: 5099250 (1992-03-01), Paulus et al.
patent: 5231410 (1993-07-01), Murakami et al.
patent: 5334989 (1994-08-01), Nagayama et al.

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