| 摘要 |
<p>A switching circuit for the power supply of electronic apparatus, such as a radio, which includes a pair of flip-flop circuits, a clock set time switch for turning the apparatus on once every 24 hours for a short period of time, a sleep time switch which may keep the apparatus on for a short period of time without interfering with the functioning of the clock set time switch, a change of mode switch which may change the apparatus at any time from an on-state to an off-state or vice versa, and a disabling switch for the clock switch circuit.</p> |
