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Pulse timing system

  • US 3,134,976 A
  • Filed: 12/20/1955
  • Issued: 05/26/1964
  • Est. Priority Date: 12/20/1955
  • Status: Expired due to Term
First Claim
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1. IN COMBINATION:

  • GENERATING MEANS FOR PROVIDING SIGNALS AT A FUNDAMENTAL FREQUENCY AND PARTICULAR HARMONIC FREQUENCIES, MEANS COUPLED TO THE GENERATING MEANS AND RESPONSIVE TO THE SIGNALS AT THE FUNDAMENTAL FREQUENCY AND AT THE PARTICULAR HARMONIC FREQUENCIES FOR COMBINING THESE SIGNALS TO PRODUCE A TIMING SIGNAL, MEANS COUPLED TO THE COMBINING MEANS AND RESPONSIVE TO SAID TIMING SIGNAL FOR PRODUCING A PULSE FOR TRANSMISSION TO A DISTANT OBJECT, MEANS FOR RECEIVING A REFLECTED PULSE FROM THE DISTANT OBJECT PRODUCED BY REFLECTION OF THE TRANMITTED PULSE THEREBY, AND MEANS RESPONSIVE TO THE REFLECTED PULSE AND TO THE PHASES OF THE SIGNALS AT THE FUNDAMENTAL AND HARMONIC FREQUENCIES AT THE TIME OF THE RECEPTION OF THE REFLECTED PULSE TO PROVIDE DIGITAL INDICATIONS AS TO THE TIME BETWEEN THE PRODUCTION OF THE TIMING SIGNAL AND THE RECEPTION OF THE REFLECTED PULSE.

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