Window glass antenna

Communications: radio wave antennas – Antennas – With vehicle

Patent

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Details

343841, H01Q 132

Patent

active

055658768

ABSTRACT:
A window glass antenna has a receiving antenna pattern and a loop-shaped guard pattern of an electrically conductive material disposed on a sheet of window glass around the receiving antenna pattern. The guard pattern is positioned on the sheet of window glass for intensive electromagnetic and electrostatic coupling between the guard pattern and an electric conductor disposed around the sheet of window glass. The guard pattern and the electric conductor are spaced from each other by a distance of 2 mm or less. The guard pattern has a width of 1 mm or more.

REFERENCES:
patent: 3766563 (1973-10-01), Sauer et al.
patent: 3771159 (1973-11-01), Kawaguchi et al.
patent: 4331961 (1982-05-01), Davis
patent: 5079560 (1992-01-01), Sakurai et al.

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