Method and device for recognition of the seat occupancy of a...

Details Method and device for recognition of the seat occupancy of a... Method and device for recognition of the seat occupancy of a...

2011-03-29

2011-03-29

Lu, Shirley (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S561000

Reexamination Certificate

active

07916037

ABSTRACT:
The recognition of seat occupancy of a seat is achieved by recording at least one measured signal by way of a seat occupancy sensor. The measured signal is allocated a weight signal by way of an allocation rule, which is representative of a weight with which the seat is occupied. The allocation rule is altered when the weight signal over the course of time is first greater than a given upper threshold and when further, during a given first duration the weight signal lies in a first weight range at a weight zero value. The allocation rule is altered such that the then current measured signal is allocated the weight signal reduced by a given percentage from the weight signal. The allocation rule is further altered when the weight signal lies around the weight zero value in a given second weight range during a given second duration, which is much longer than the first duration. The allocation rule is altered such that the then current measured signal is allocated a weight signal reduced by a given correction value.

REFERENCES:
patent: 7578198 (2009-08-01), Lichtinger et al.

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