In-vehicle antenna apparatus

Details In-vehicle antenna apparatus In-vehicle antenna apparatus

2005-06-23

2009-02-10

Wimer, Michael C (Department: 2821)

Communications: radio wave antennas

Antennas

With vehicle

Reexamination Certificate

active

07489279

ABSTRACT:
Rear glass is provided with a patch-like radiation conductor and a first ground conductor surrounding the patch-like radiation conductor. An electronic circuit unit includes a base plate fixed on the rear glass; a frame body which houses a circuit substrate and is fixed on the base plate; and a cover for covering the frame body. One surface of the circuit substrate defines a component-holding surface which is connected with a second end of a feeder cable connected with the radiation conductor and the first ground conductor. The other surface of the circuit substrate is provided with a second ground conductor to function as a radio-wave reflective surface. The radio-wave reflective surface faces the radiation conductor and the first ground conductor disposed on the rear glass such that the radio-wave reflective surface is separated from the radiation conductor and the first ground conductor by a predetermined distance.

REFERENCES:
patent: 4916456 (1990-04-01), Shyu
patent: 5633645 (1997-05-01), Day
patent: 08-148921 (1991-06-01), None
patent: 05-063423 (1993-03-01), None
patent: 2002-252520 (2002-09-01), None
patent: WO 2004-095639 (2004-11-01), None

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