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Vehicle obstacle avoidance system

  • US 5,598,164 A
  • Filed: 08/09/1993
  • Issued: 01/28/1997
  • Est. Priority Date: 08/10/1992
  • Status: Expired due to Fees
First Claim
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1. A vehicle system for warning of obstacles, the system comprising:

  • detection means for detecting the relationship of said obstacles to said vehicle;

    discrimination means for determining the state of said vehicle, said state including whether said vehicle is moving or stationary, said discrimination means determines whether said vehicle is stationary by determining if said vehicle is in park or stopped;

    logic means for interpreting said vehicle state and said relationship of said obstacles and for automatically causing forward movement of said vehicle to be inhibited without driver interaction when said vehicle state indicates said vehicle is stationary and when said detection means indicates said obstacle is within a predetermined proximity of said vehicle and when said obstacle is forward of said vehicle by automatically preventing said vehicle to be put in gear if said vehicle is in park or by automatically actuating a brake if said vehicle is stopped, thereby automatically preventing said driver from inadvertently driving forward into said obstacle, and for automatically causing rearward movement of said vehicle to be inhibited without driver interaction when said vehicle state indicates said vehicle is stationary and when said detection means indicates said obstacle is within said predetermined proximity of said vehicle and when said obstacle is rearward of said vehicle by automatically preventing said vehicle to be put in gear if said vehicle is in park or by automatically actuating said brake if said vehicle is stopped, thereby automatically preventing said driver from inadvertently driving rearward into said obstacle; and

    overriding means for overriding said inhibition of said vehicle movement upon acknowledgment of said obstacle by said driver.

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