Sensor element, in particular seat occupancy detection sensor element

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8698643
APP PUB NO 20130119728A1
SERIAL NO

13659560

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Abstract

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Seat-occupancy-detection-sensor-element featuring double-body/compression/spring (DBCS) in a recess of a base-member (BM); and slidable-member (SM) having a force-application-side (FAS) and inside facing the BM; measuring-coil (MC) arranged in the recess and surrounded by the DBCS and having wound-coil-wire (WCW); and current-generating/measuring/evaluating-unit (CGMEU) connected to the WCW; the DBCW abutting the BM on one side and being fixed to the SM on the side of the SM compressed by a force on the FAS, from a spring length either uncompressed or compressed by a predetermined extent; spring wire ends connected and electrically forming a spring-coil (SC); MC and SC coils constituting an inductively-coupled coil assembly (ICCA); and the CGMEU applying AC to the MC inducing AC in the DBCS, measuring voltage on the MC proportional to the ICCA's impedance, and ascertaining force on the SM's FAS.

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Patent Owner(s)

Patent OwnerAddress
SCHERDEL INNOTEC FORSCHUNGS- UND ENTWICKLUNGS-GMBH95615 MARKTREDWITZ
FORSCHUNGS- UND TRANSFERZENTRUM LEIPZIG E V AN DER HTWK LEIPZIGKARL-LIEBKNECHT-STR 132 LEIPZIG 04277

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barthold, Gisela Hohenberg, DE 1 16
Eiserbeck, Michael Leipzig, DE 1 10
Fiedler, Thomas Grossrueckerswalde-Mauersberg, DE 26 506
Rambold, Hans-Martin Marktredwitz, DE 1 10
Schmitt, Marco Kulmbach, DE 5 31
Seitenglanz, Jan Marienberg, DE 1 16
Wiessner, Fabian Leipzig, DE 1 10

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