Method and apparatus for sensing an occupant position using capa

Details Method and apparatus for sensing an occupant position using capa Method and apparatus for sensing an occupant position using capa

1995-05-16

1998-03-03

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

280731, 340562, B60R 2132

Patent

active

057226865

ABSTRACT:
An apparatus for controlling an actuatable restraint system (20) in response to a sensed position of an occupant (36) in an occupant compartment of a vehicle includes a variable capacitor (60) mounted relative to a known reference location (30) within the vehicle. The variable capacitor (60) is adapted so that its capacitance value is functionally related to the occupant's position relative to the reference location (30). A controller (50) is coupled to a capacitance sensing circuit (80) for controlling the actuatable restraint (22) in response to the sensed occupant position relative to the reference location.

REFERENCES:
patent: 4572207 (1986-02-01), Yoshimi et al.
patent: 4796013 (1989-01-01), Yasuda et al.
patent: 5074583 (1991-12-01), Fujita et al.
patent: 5330226 (1994-07-01), Gentry et al.
patent: 5411289 (1995-05-01), Smith et al.
patent: 5525843 (1996-06-01), Howing

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