| 摘要 |
PURPOSE:To improve detection ability while evading the complexity of a circuit by generating pulses which are used to detect an object pulse in a time zone wherein the object pulse is expected to be generated. CONSTITUTION:A reset pulse generating circuit 2 which receives clock pulses from a clock pulse generating circuit 1 generates a reset pulse 2out and a bistable circuit 4 which receives the pulse is reset. The pulse 3out for detection is generated by a detection pulse generating circuit 3 in the time area wherein the pulse to be detected is expected to be generated, so when the pulse to be detected is generated in the time zone, the circuit 4 is set with the signal and its set output signal 4out is used to decide the generation of the pulse to be detected. Thus, the time zone in which the pulse can be detected is set for the detection of the pulse to be detected, so the complexity of a circuit for detection is not entailed and the detection ability for the object pulse is held at high level. |
