CAPACITANCE-TYPE OCCUPANT DETECTION SENSOR
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United States of America Patent
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Issued Date -
Dec 12, 2013
app pub date -
May 15, 2013
filing date -
Jun 7, 2012
priority date (Note) -
Abandoned
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Abstract
A capacitance-type occupant detection sensor of the present disclosure detects a vehicle occupant on a seat based on a difference of capacitance between a sensor body and a reference electric potential. The sensor body includes a main electrode and a parallel electrode. The parallel electrode is disposed in parallel with the main electrode with a gap interposed therebetween and has a detection voltage applied thereto. The main electrode and the parallel electrode each have a base material, a first electrode member disposed on the base material, and a second electrode member disposed on the base material to cover the first electrode member, where the second electrode member has an electric conductivity that is lower than the first electrode member. The first electrode member is disposed on a lateral perimeter of the second electrode member to surround a center of the second electrode member.
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