Glass antenna for automobiles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 11, 1995
Issued Date -
N/A
app pub date -
Nov 29, 1993
filing date -
Feb 5, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automobile antenna including a defogging heater wire and a conductor combined into a simple structure to accomplish a good FM reception. A capacitor which effects high-frequency grounding of the terminals of the defogging heater wire is installed between the heater wire terminals and a vehicle body, and the heater wire which resonates in the FM frequency band but not in the AM frequency band is inductively coupled to the conductor which is installed on the surface of the window glass and resonates in the FM frequency band but not in the AM frequency band. The heater wire and the conductor are installed in such a positional relationship that a double resonance is created.
First Claim
Family
International Classification(s)
Cited Art Landscape
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