| 摘要 |
<p>PURPOSE: To execute the register work of commodity sales data even at the time of power interruption occurrence and to prevent the reduction of work efficiency by backing-up a power source at the time of power interruption only as against the circuits except the other parts requiring large power such as a printer and a drawer open device. CONSTITUTION: When power interruption occurs and the power interruption power source 17 is operated, the circuit parts except at least the printer 14 and the drawer open device 13 are energized. Therefore, an input part 6, a data processing part, a register memory and a display equipment 8 can be operated. Thus, data is processed based on the input operation of the input part 6, commodity sales data is registered in the register memory and the reduction of work efficiency is prevented.</p> |
