Glass window antenna for use in a motor vehicle

Details Glass window antenna for use in a motor vehicle Glass window antenna for use in a motor vehicle

1989-10-26

1992-05-12

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With ice clearer or preventer

343713, H01Q 132

Patent

active

051131951

ABSTRACT:
A glass window antenna for use in a motor vehicle provides satisfactory antenna characteristics while making best use of the space of a glass window with a heating conductor as the main antenna element which is heated by a pair of power supply lines through choke coils. In a preferred embodiment, a capacitor is connected across the power supply lines at a position between the choke coils and the heating conductor to minimize the loss or leakage of radio signals from the heating conductor through the choke coils. A symmetrical pair of wires coupled with each other is formed on the glass window and connected to ends of the heating conductor to improve a radio wave reception gain.

REFERENCES:
patent: 3928748 (1974-12-01), Sauer
patent: 4063247 (1977-12-01), Sakurai et al.
patent: 4422077 (1983-12-01), Kropielnicki
patent: 4439771 (1984-03-01), Kume et al.

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