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Doppler shift detector

  • US 3,267,474 A
  • Filed: 02/24/1964
  • Issued: 08/16/1966
  • Est. Priority Date: 02/24/1964
  • Status: Expired due to Term
First Claim
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1. A DOPPLER FREQUENCY MEASURING SYSTEM COMPRISING MEANS FOR RECEIVING DOPPLER PULSES, A PRESET COUNTER FOR COUNTING SAID DOPPLER PULSES TO A PREDETERMINED NUMBER, AN OSCILLATOR, A PERIOD COUNTER FOR COUNTING THE PULSES FROM SAID OSCILLATOR, CONTROL MEANS FOR STOPPING THE COUNTING OF SAID PERIOD COUNTER WHEN SAID PRESET COUNTER HAS REGISTERED THE PREDETERMINED NUMBER COUNTS, A CLOCK, AND

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