Weight sensing system
DCFirst Claim
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1. A weight sensing system for measuring strain on a seat frame of a seat disposed within an occupant compartment of an automotive vehicle comprising:
- a measuring device positioned solely on the seat frame at a stress concentration point thereon for measuring a strain placed on the seat frame due to a seated occupant weight; and
an electronic module electrically connected to said measuring device to receive a signal of measured strain from said measuring device for determining the seated occupant weight from the measured strain on the seat frame.
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Abstract
A weight sensing system is provided for use with a seat disposed within an occupant compartment of the vehicle. The weight sensing system includes a sensing mechanism positioned on a seat frame of the seat for measuring a strain on the seat frame due to a seated occupant weight.
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Citations
10 Claims
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1. A weight sensing system for measuring strain on a seat frame of a seat disposed within an occupant compartment of an automotive vehicle comprising:
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a measuring device positioned solely on the seat frame at a stress concentration point thereon for measuring a strain placed on the seat frame due to a seated occupant weight; and
an electronic module electrically connected to said measuring device to receive a signal of measured strain from said measuring device for determining the seated occupant weight from the measured strain on the seat frame. - View Dependent Claims (2)
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3. A weight sensing system for measuring strain on a seat frame of a seat disposed within an occupant compartment of an automotive vehicle comprising:
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a plurality of measuring devices positioned solely on the seat frame at stress concentration points on the seat frame to measure the strain placed on the seat frame caused by a seat suspension of the seat from the weight of the seated occupant; and
an electronic module electrically connected to said measuring devices to receive a signal of measured strain from said measuring devices for determining the seated occupant weight from the measured strain on the seat frame. - View Dependent Claims (4)
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5. A weight sensing system for measuring strain on a seat frame of a seat disposed within an occupant compartment of an automotive vehicle comprising:
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a strain gauge positioned solely on the seat frame at at least one stress concentration point on the seat frame to measure the strain on the seat frame caused by a seat suspension of the seat from the weight of the seated occupant, wherein said seated occupant weight is determined from the measured strain on said seat frame; and
an electronic module electrically connected to said strain gauge to receive a signal of measured strain from said strain gauge for determining the seated occupant weight from the measured strain on the seat frame.
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6. A method for measuring strain on a seat frame of a seat disposed within an occupant compartment of an automotive vehicle comprising the steps of:
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providing at least one measuring device;
positioning the measuring device at a stress concentration point on the seat frame;
measuring the strain placed on the seat frame by a seated occupant with the measuring device; and
determining the seated occupant weight from the measured strain on the seat frame. - View Dependent Claims (7, 8, 9)
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10. A method for measuring strain on a seat frame of a seat disposed within an occupant compartment of an automotive vehicle comprising the steps of:
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providing at least one strain gauge and an electronic controller electrically connected to the strain gauge;
positioning the strain gauge closely adjacent a location of which a seat support is attached to the seat frame to form at a stress concentration point on the seat frame;
measuring the strain placed in the seat frame at a stress concentration point on the seat frame by a seated occupant; and
determining the seated occupant weight from the measured strain on the seat frame.
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Specification