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Traffic radar device

  • US 4,236,140 A
  • Filed: 04/14/1978
  • Issued: 11/25/1980
  • Est. Priority Date: 04/14/1978
  • Status: Expired due to Term
First Claim
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1. A Doppler radar device for use in law enforcement and service vehicle speed surveillance and for determining the speed of a moving target vehicle when the radar platform vehicle is either moving or stationary, the device comprising:

  • means for receiving a Doppler signal,means for generating a time base,means for generating a shift clock signal having a rate related to the time base,means for converting said received Doppler signal into a binary signal,means for sampling said binary signal at said shift clock signal rate, andmeans for processing said sampled signal to determine the presence of a preselected relationship between said shift clock rate and said sampled signal in order to validate said received Doppler signal.

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