Window glass antenna device

Details Window glass antenna device Window glass antenna device

1992-11-04

1994-04-26

Hajec, Donald

Communications: radio wave antennas

Antennas

With ice clearer or preventer

343713, H01Q 102, H01Q 132

Patent

active

053070763

ABSTRACT:
A window glass antenna device is combined with a laminated window glass panel, such as a rear window glass panel of an automobile, which has a pair of inner and outer glass layers bonded to each other. The window glass antenna device has, as antenna elements, a plurality of defroster heater wires disposed between the glass layers. A pair of spaced first and second bus bars is disposed between the glass layers, the first bus bar electrically interconnecting first ends of the defroster heater wires and the second bus bar electrically interconnecting second ends of the defroster heater wires. A first electrode is disposed on an outer surface of the inner glass layer and joined to the second bus bar for supplying electric energy to heat the defroster heater wires, and a second electrode is disposed on the outer surface of the inner glass layer in confronting relationship to the first bus bar. The first bus bar and the second electrode jointly provide a capacitor for supplying a radio signal received by the defroster heater wires.

REFERENCES:
patent: 3484583 (1969-12-01), Shaw, Jr.
patent: 3484584 (1969-12-01), Shaw, Jr.
patent: 5017935 (1991-05-01), Sakurai et al.

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