| 摘要 |
PURPOSE:To reduce the power consumption of the whole electronic equipment by controlling cyclically the turning ON/OFF of the electronic equipment. CONSTITUTION:A push switch 1 ON/OFF-controls cyclically the whole electronic equipment. When turning on the push switch 1 once, circuits 11 to 15 are oscillated and flip-flops 17 to 20 are frequency-divided along with it. Based on a signal frequency-divided by the flip-flops, a chattering circuit consisting of flip-flops 3 to 5 is operated so as to remove chattering from the ON operation of the push switch 1. A pulse signal removed with chattering is held by a holding circuit consisting of flip-flop 6 to 9. The output of the holding circuit turns ON/OFF the oscillation of the oscillation circuits 11 to 15. |
