PRESSURE-RESPONSIVE B-SURFACE SEAT OCCUPANCY SENSOR UNIT
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United States of America Patent
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Issued Date -
Sep 4, 2014
app pub date -
Aug 17, 2012
filing date -
Aug 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pressure-responsive B-surface seat occupancy sensor unit for detecting an occupancy state of a seat comprises a pressure sensor arranged on a base plate. The pressure sensor includes a printed circuit board having a first surface with at least two electrodes and a second surface, with which the PCB is arranged on the base plate, and a membrane element arranged in facing relationship with and spaced from the electrodes so as to deflect under pressure and establish an electrical contact between the electrodes. The base plate includes one or more fixation elements, by means of which the base plate is fixable to the structural frame, the seat cushion and/or the cushion-supporting springs of the seat.
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