Window glass antenna device

Details Window glass antenna device Window glass antenna device

1996-06-28

1998-10-13

Hajec, Donald T.

Communications: radio wave antennas

Antennas

With ice clearer or preventer

343713, H01Q 132

Patent

active

058219048

ABSTRACT:
A window glass antenna device disposed on an automobile window glass panel has a dedicated antenna disposed on the automobile window glass panel, a heater antenna comprising a defroster heater pattern disposed on the automobile window glass panel, and a feeder cable for transmitting received signals from the dedicated antenna and the heater antenna. An impedance transformer for effecting an impedance conversion between the dedicated antenna and the heater antenna, and the feeder cable has a primary winding having an end connected to the dedicated antenna, the primary winding having a tap connected to the heater antenna, and a secondary winding connected to the feeder cable.

REFERENCES:
patent: 1597379 (1926-08-01), Kolster
patent: 4791426 (1988-12-01), Lindenmeier et al.
patent: 5083134 (1992-01-01), Saitou et al.
patent: 5177495 (1993-01-01), Davies
patent: 5331271 (1994-07-01), Thuis
patent: 5334988 (1994-08-01), Murakami et al.

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