| 摘要 |
<p>PURPOSE:To avoid the consumption of a power supply for a period covering an unrecorded state through a recording of a first data by using a connection switch which secures the connection between a memory and a back-up power supply. CONSTITUTION:The data are stored in a semiconductor memory 3, and the memory 3 is backed up by a back-up power supply 5. A switch rod 7 is moved by a slide switch 6 and changed to an ON state from an OFF state and vice versa. The power supply 5 is electrically connected to the memory 3 in an ON state and disconnected from the memory 3 in an OFF state respectively. At the same time, the ON or OFF state is kept even after the movement of the rod 7 caused by the switch 6 is released.</p> |
