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On-road object detecting system

  • US 5,883,585 A
  • Filed: 06/25/1997
  • Issued: 03/16/1999
  • Est. Priority Date: 06/27/1996
  • Status: Expired due to Fees
First Claim
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1. An on-road object detecting system comprising:

  • propagating means for propagating a signal along a travelling path and having propagation characteristics that change due to the presence of an on-road object;

    signal generating means for feeding the signal to the propagating means;

    the signal propagated by the propagating means being reflected not from the object but in the propagating means at the occurrence of a change in the propagation characteristics;

    signal receiving means for receiving the reflection signal reflected from the change in propagation characteristics of the propagation means caused by the on-road object; and

    detecting means for detecting the position of the on-road object based on the timing of the received reflection signal at the signal receiving means.

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