Arrangement for detecting the occupancy of a seat in vehicles an

Details Arrangement for detecting the occupancy of a seat in vehicles an Arrangement for detecting the occupancy of a seat in vehicles an

1995-01-11

1996-12-17

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250DIG1, 340556, G08B 13194

Patent

active

055856250

ABSTRACT:
Arrangement for detecting the occupancy of a seat for safety systems having a plurality of light emitters, which are imaged onto the seat via an optical unit and the luminous spots created there are imaged via a further optical unit onto a photodetector field. The contour is acquired with a microprocessor via the evaluation of the position of these luminous spots on the photodetector field, and thus the type of occupancy is determined. This information can be supported via passive IR detectors for the acquisition of the temperature differential.

REFERENCES:
patent: 4683373 (1987-07-01), Tupman

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