Weight sensor device
First Claim
1. A weight sensor device for detecting a weight of a occupant seated on a seat, the seat including a seat frame and a cushion, the cushion being deformed due to the weight of the occupant when the occupant is seated on said seat, said weight sensor device comprising:
- a displacement member arranged in the seat frame, said displacement member being displaced downward in the seat frame as the deformation of the cushion is caused; and
a converter for converting a displacement of said displacement member into an electric signal.
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Accused Products
Abstract
The present invention provides a weight sensor device for detecting a weight of an occupant seated on a seat having a seat frame and a cushion. The device has a sensing wire displaced downward in the seat frame as the cushion is deformed due to the weight of the occupant when the occupant is seated on the seat and a variable resistor for converting a displacement of the sensing wire into an electric signal indicative of the weight of the occupant.
12 Citations
16 Claims
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1. A weight sensor device for detecting a weight of a occupant seated on a seat, the seat including a seat frame and a cushion, the cushion being deformed due to the weight of the occupant when the occupant is seated on said seat, said weight sensor device comprising:
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a displacement member arranged in the seat frame, said displacement member being displaced downward in the seat frame as the deformation of the cushion is caused; and
a converter for converting a displacement of said displacement member into an electric signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification