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OBJECT DETECTION APPARATUS AND METHOD

  • US 20080086268A1
  • Filed: 10/06/2006
  • Published: 04/10/2008
  • Est. Priority Date: 10/06/2006
  • Status: Active Grant
First Claim
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1. A method for determining the position of an object relative to a moving vehicle comprising the steps of:

  • while the vehicle is moving in a first direction, transmitting successive sensor pulses from a vehicle sensor toward the object,receiving an echo of each sensor pulse,determining a transit time between the transmission of each pulse and the receipt of its echo by the sensor,determining an angle factor as a function of the difference between the transit times of two sensor pulses and the distance traveled by the vehicle between said two sensor pulses,selecting an angle from a predefined table whenever the absolute value of the angle factor exceeds a preset threshold,calculating the angle as a function of said factor whenever the absolute value of the factor is less than the preset threshold,calculating the distance between the sensor and the object as a function of said angle and the transit time for the sensor pulse,generating a signal as a function of said distance calculating step.

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