Motor vehicles – With means for promoting safety of vehicle – its occupant or... – Responsive to absence or inattention of operator – or...
Reexamination Certificate
2006-09-05
2006-09-05
Gibson, Randy W. (Department: 2841)
Motor vehicles
With means for promoting safety of vehicle, its occupant or...
Responsive to absence or inattention of operator, or...
C280S735000, C177S144000, C177S211000
Reexamination Certificate
active
07100731
ABSTRACT:
A weight-detecting system for detecting the weight of an occupant sitting on a seat includes inner and outer weight-detecting units. The outer weight-detecting unit includes strain resistors mounted on a lower surface of its sensor plate. The inner weight-detecting unit includes strain resistors mounted on an upper surface of its sensor plate. When output voltages from the outer weight-detecting unit are represented by A and B, and output voltages from the inner weight-detecting unit are represented by C and D, the weight of an occupant is detected based on a value A+B+C′+D′ provided by adding output voltages C′ and D′ resulting from the inversion of the output voltages C and D to the output voltages A and B. The weight-detecting units have the same characteristic of change in output voltages with respect to change in temperature. Therefore, when the output voltage (A+B) is added to the output voltage (C′+D′), a detection error due to a change in temperature can be countervailed. Thus, the weight of the occupant sitting on a seat can be detected accurately without being influenced by the change in temperature.
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patent: 6407350 (2002-06-01), Blakesley
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Gibson Randy W.
Hamre Schumann Mueller & Larson P.C.
Honda Motor Co. Ltd.
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