Occupant detection system

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control

Reexamination Certificate

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C280S735000, C180S273000

Reexamination Certificate

active

10987906

ABSTRACT:
An occupant detection system includes: a front weight sensor group formed from two weight sensors that are connected in series and arranged to the left and right on an upper face of a seat cushion; and a rear weight sensor group formed from two weight sensors that are connected in series and arranged to the left and right on the upper face of the seat cushion. The weight sensor groups are connected in parallel to each other. Regardless of whether an occupant sits on a front or rear part of a seat, since the load of the buttocks always acts on both left and right sides of the seat cushion, two series-connected left and right weight sensors of at least one of the plurality of weight sensor groups are both turned on without fail, thereby reliably detecting the occupant.

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patent: 2005/0072249 (2005-04-01), Maeda et al.
patent: 101 43 326 (2003-03-01), None
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Patent Abstracts of Japan, Crew Detecting Sensor, Publication Date: Feb. 13, 1998.
Front page of WO 2005/000637 A1, Seat Occupancy Sensor, Publication Date: Jan. 6, 2005. (English abstract for EP 1 491 408 A1).
Front page of WO 03/026934 A1, Device for the Weight Classification of People, Publication Date: Apr. 3, 2003. (English abstract for DE 101 43 326 A1).

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