Combination antenna and windshield heater
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United States of America Patent
Stats
-
Apr 30, 1991
Grant Date -
N/A
app pub date -
Mar 7, 1989
filing date -
Mar 12, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A motor vehicle windshield is formed with a transparent vapor-deposited metal coating for windshield heating and with an antenna for radio reception. Preferably, the metal coating is connected to an inner conductor of a coaxial cable leading to the radio receiver, while the outer conductor of the coaxial cable is connected to chassis or ground potential. A slot (10, 20, 30, 40, 55, 56) in the metal coating is dimensioned to have a length of some harmonic of one wavelength in the FM frequency band, a width smaller than a half wavelength, and a minimum spacing a from the supply buses on each side of the windshield.
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Cited Art Landscape
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