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Conjugate-phase, remote-clock synchronizer

  • US 4,368,987 A
  • Filed: 06/25/1980
  • Issued: 01/18/1983
  • Est. Priority Date: 06/25/1980
  • Status: Expired due to Term
First Claim
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1. A method for determining the time reading of a remote-station clock at a first clock station, each station having a clock producing a train of clock pulses, both trains having substantially the same frequency but being different in time phase by an amount Δ

  • t, the method comprising the steps of;

    transmitting a clock pulse, called the originator pulse, from the first station to start the timing sequence;

    receiving at the remote station the originator pulse and utilizing the received pulse to form a conjugate-phase pulse from the remote-station clock;

    transmitting the conjugate-phase pulse to the first station and receiving it there;

    measuring at the first station the time difference Δ

    between the time of reception of the conjugate-phase pulse and the time of generation of the originator pulse; and

    determining the difference in time phase Δ

    t between the time reading of the remote-station clock and the first-station clock according to the relationship Δ

    t=Δ

    /2.

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