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Occupant type and position detection system

  • US 6,198,998 B1
  • Filed: 08/03/1999
  • Issued: 03/06/2001
  • Est. Priority Date: 04/23/1997
  • Status: Expired due to Fees
First Claim
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1. A method for determining position of an object located in a vehicle relative to a fixed structure within the vehicle comprising the steps of:

  • a. generating two-dimensional image data representative of any objects located within a front seating area of the vehicle; and

    b. detecting the location of the object relative to a narrow depth of focus reference plane using a de-blurring filter, wherein said narrow depth of focus lens has an optic axis and said de-blurring filter cooperates with said narrow depth of focus lens to provide a measure of distance along said optic axis to said object within the field of view relative to the fixed structure of the vehicle.

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