| 摘要 |
PROBLEM TO BE SOLVED: To obtain the portable telephone set where the number of display sections is decreased, the quantity of electricity of a battery is not consumed by charge end display and end of charging and a circuit fault are discriminated. SOLUTION: One charging end incoming call display LED 15 is used for display of end of charging and display of the arrival of an incoming call so as to reduce the number of LEDs. In the case that an AC/DC converter 1 is connected to a connector 2, the AC/DC converter 1 supplies power for the charging end incoming call display LED 15 to suppress consumption of the quantity of electricity of the battery 4. Furthermore, the end of charging is displayed by the lighting of the charging end incoming call display LED 15 to discriminate the end of charging and a circuit failure. |
