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Police radar detector for detecting radar signals and determining the directional origin of the signal source

  • US 5,083,129 A
  • Filed: 02/25/1991
  • Issued: 01/21/1992
  • Est. Priority Date: 02/25/1991
  • Status: Expired due to Term
First Claim
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1. A motor vehicle radar signal detector for alerting an operator of a motor vehicle to incoming radar signals, said detector comprising:

  • receiver means comprising a first antenna aimed in a first direction relative to said motor vehicle and a second antenna aimed in a second direction relative to said motor vehicle and different from said first direction for receiving incoming radar signals at frequencies within at least one frequency band;

    radar signal detector means for generating radar identification signals which identify incoming radar signals;

    connector means for connecting signals from said receiver means to said radar signal detector means;

    processor means for controlling said connector means to selectively connect signals from said first and second antennas to said radar signal detector means and responsive to radar identification signals generated by said radar signal detector means to identify radar signals coming from said first direction relative to said motor vehicle and radar signals coming from said second direction relative to said motor vehicle, and to generate direction signals identifying the direction of origin of incoming radar signals; and

    alarm means for alerting an operator of a motor vehicle upon identification of incoming radar signals, said alarm means including direction indicating means responsive to said direction signals for identifying whether the identified radar signals are coming from said first direction or are coming from said second direction.

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