| 摘要 |
PROBLEM TO BE SOLVED: To satisfy a specified responsivity by resetting a pulse output means receiving only pulses input at a specified or longer intervals among output pulses of a gate circuit and outputting after delaying for a specified time based on the second decode pulse. SOLUTION: A pulse width judgment means 122 lets only pulses with wider pulse width than a specified value among input pulses 108 pass. A delay means 124 gives a delay time equal to a pulse space intervalα. From an AND gate 125, a pair pulse or a pulse having decoded a single pulse with pulse width exceeding the pulse space intervalαis output. The output pulse of a decode circuit 101 is input in a reception resting means 106 together with the output pulse of a decode circuit 121 by way of an OR gate 131. The output pulse of the decode circuit 121 is also supplied to a reset means 132 and generates a reset pulse so as to return the reception resting means 106 and a system delay time generation means 107 to each initial state.
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