×

Seat weight sensor using fluid filled tubing

  • US 6,021,863 A
  • Filed: 01/07/1998
  • Issued: 02/08/2000
  • Est. Priority Date: 11/17/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A sensor for sensing the weight of an occupant on a vehicle seat, comprising:

  • a. a continuous flexible sensing tube mounted beneath the cushion of the seat and supported by the base of the seat;

    b. a fluid contained by said flexible sensing tube, whereby said flexible sensing tube is sealed;

    c. a pressure sensor operatively coupled to said flexible sensing tube for generating a signal responsive to the pressure of said fluid within said flexible sensing tube; and

    d. a signal processor for calculating the weight of the occupant from said signal.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×