| 摘要 |
In a display system for displaying remaining power of a battery (6) of an appliance which operates by the battery (6), a period of time for which when the appliance is continued to operate on the basis of transmitting power and the like which is set at the time point of the display, the appliance can be continued to operate under the condition of the remaining power of the battery (6) is obtained by battery voltage measuring means (7), consumed current calculating means (9) and battery remaining time calculating means (10), and then the data relating thereto is displayed as remaining time of the battery (6) on display means (11). On the basis of the display of the remaining time of the battery (6), a user can become aware of a period of time for which the appliance can be continued to operate, judge suitably whether or not the operation of the appliance should be continued, and make properly sure of the time when the battery (6) should be charged. <IMAGE> |
