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INTERPULSE TIME INTERVAL DETECTION CIRCUIT

  • US 3,634,869 A
  • Filed: 12/29/1970
  • Issued: 01/11/1972
  • Est. Priority Date: 12/29/1970
  • Status: Expired due to Term
First Claim
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1. In a circuit for providing an indicative output signal when a group of serial input signals, which are separated by decreasing intervals of time, are separated by a given interval of time, the combination comprising:

  • a first flip-flop;

    means responsive to the trailing edge of the input signals for setting the first flip-flop;

    delay means responsive to the input pulses for producing an output signal a given interval of time after each input pulse for resetting the first flip-flop; and

    a second flip-flop connected to be set by an input signal when the first flip-flop is set and to be reset by an input signal if the first flip-flop is reset, for producing the indicative output signal when set.

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