Title:
【発明の名称】座乗者の体重を感知する方法及び装置
Document Type and Number:
Japanese Patent JP2002543369
Kind Code:
A
Abstract:
A system for measuring the weight of a seat occupant is used to control airbag deployment. The system includes a seat bottom that receives a vertical seat occupant weight force. The seat is divided into four quadrants, a front right quadrant, a left front quadrant, a left rear quadrant, and a right rear quadrant. Each quadrant includes a sensor that generates a weight signal corresponding in magnitude to the seat occupant weight in the respective quadrant. Each weight signal is comprised of a vertical force component and an error component induced by braking or deceleration forces acting on the seat bottom in a non-vertical direction. The sensors are orientated within their respective quadrants such that two sensors generate a positive error reading and two sensors generate a negative error reading. When the weight signals from each quadrant are added together to determine the total seat occupant weight, the error is eliminated as the positive and negative error components cancel each other out. The seat occupant weight is determined by adding the vertical force components from each of the weight signals together.
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Inventors:
Morel, Scott, M
Application Number:
JP2000601404A
Publication Date:
December 17, 2002
Filing Date:
February 18, 2000
Export Citation:
Assignee:
Siemens Automotive Corporation
International Classes:
B60N2/90; B60R21/01; B60R21/16; G01G19/12; G01G19/44; G01G19/414; G01G19/52; B60R21/015; (IPC1-7): G01G19/12; B60R21/32; G01G19/44; G01G19/52
Attorney, Agent or Firm:
Koichiro Kato