Communications: radio wave antennas – Antennas – With vehicle
Patent
1995-10-26
1997-08-12
Hajec, Donald T.
Communications: radio wave antennas
Antennas
With vehicle
H01Q 132
Patent
active
056570295
ABSTRACT:
A glass antenna device for automobile telephone includes a glass panel and an antenna pattern mounted on the glass panel. The antenna pattern has a radiation pattern, a signal leader pattern having a first feeder positioned closely to an edge of the glass panel, and an extension extending from the first feeder toward and connected to the radiation pattern, a shield leader pattern having a surrounding pattern surrounding the first feeder and having a second feeder, and a pair of parallel extensions extending from the surrounding pattern parallel substantially the full length of the extension of the signal leader thereto and disposed one on each side thereof, and a rectangular ground pattern connected to an end of at least one of the parallel extensions of the shield leader pattern. Preferably, a feeder cable interconnecting the antenna pattern and an automobile telephone set mounted in an automobile has a portion extending toward the antenna pattern and including a ground conductor electrically connected to an automobile body of the automobile.
REFERENCES:
patent: 4746925 (1988-05-01), Toriyama
patent: 4893126 (1990-01-01), Evans
patent: 5138330 (1992-08-01), Lindenmeier et al.
patent: 5220336 (1993-06-01), Hirotsu et al.
patent: 5248947 (1993-09-01), Shiga
patent: 5255002 (1993-10-01), Day
patent: 5521606 (1996-05-01), Iijima et al.
Doi Ryokichi
Iijima Hiroshi
Kawasaki Eiichiro
Hajec Donald T.
Nippon Sheet Glass Co. Ltd.
Phan Tho
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