Heating element on the polymer inside surface of a motor vehicle front-end module/bumper in an operative connection to a radar transmitter/receiver unit
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United States of America Patent
Stats
-
Feb 5, 2008
Grant Date -
Apr 27, 2006
app pub date -
Oct 7, 2005
filing date -
Oct 7, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heating element for an inside surface of a front-end module/bumper for a motor vehicle. The heating element is operatively connected to a radar transmitting/receiving unit. The heating element includes a heating film formed of a polymer, an array of conductor strips integrated into the heating film, and an electronic control element that controls the conductor strips. The array of conductor strips is divided into an inner region through which a radar beam from the radar transmitting/receiving unit is transmitted, and an outer region through which the radar beam is not transmitted. The conductor strips in the inner region are inclined by angles of about 45.degree. to about 90.degree. relative to a polarization plane of the radar beam. The conductor strips in the outer region are arranged in a meandering pattern.
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