Window glass antenna system

Details Window glass antenna system Window glass antenna system

1997-04-22

1999-08-03

Kim, Robert H.

Communications: radio wave antennas

Antennas

With vehicle

343704, 343713, H01Q 132

Patent

active

059331186

ABSTRACT:
A window glass antenna system is attached to a surface of a pane of vehicular window glass and comprises an antenna switching circuit attached directly onto the window glass pane in close proximity to antennas of the system for switching over the antennas. The antenna switching circuit has a plurality of mounting terminals and a plurality of input signal lines connected to the mounting terminals which in turn are fixedly secured to power terminals fixed to the window glass pane for powering the antennas. The thus-arranged antenna system has improved directional repeatability and reception sensitivity in that the antenna switching circuit is positioned closely to the antennas and connected to the antenna powering terminals without requiring the use of any elements that may form part of the antennas during operation thereof.

REFERENCES:
patent: 5557289 (1996-09-01), Ohara
patent: 5629711 (1997-05-01), Matsuoka et al.

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