Pane antenna having an amplifier
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 11, 1992
Grant Date -
N/A
app pub date -
Mar 8, 1990
filing date -
Mar 8, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An active window pane antenna for use in motor vehicles includes an antenna conductor arranged on the window pane and being connected via a conductor of negligible length to an input terminal of an active four terminal network also arranged on the pane. The output terminals of the network are connected via a first section of a transmission line to an antenna connector whose ground contact is connected for high frequencies to a ground point on the body of the motor vehicle. The impedance of the first section of the transmission line is not negligible for the received frequency bands and the input impedance of the four terminal network is balanced with respect to the first section. A second section of the transmission line extends from the antenna connector to a receiver.
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Cited Art Landscape
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