Seat occupant sensing system

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

Patent

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Details

73767, 73781, 73790, 73862046, 7386268, 73862625, B60R 2132, B60K 2800, G01L 500

Patent

active

059916761

ABSTRACT:
A seat occupant sensing system has a plurality of variable resistance force sensors located between a rigid seat support member and the floor of the vehicle. The force transferred from the rigid seat support member to the floor of the vehicle passes through said variable resistance force sensors which sense the magnitude of the force transferred therethrough and generate a signal which is indicative of the force transferred therethrough resistance force sensors interposed between a rigid seat support member and a rigid seat pan member such that the weight supported by the seat pan member is transferred from the seat pan member to the seat support member via said at least one variable resistance force sensor which senses the magnitude of the weight transferred therethrough. A device, such as a microprocessor, processes a signal from the variable resistance force sensors to determine the weight that the rigid seat pan member is bearing. The signal processing device may control the activation and operation of a safety device such as an airbag or seat belt pretensioner as a function of the presence of and weight of a seat occupant.

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