| 摘要 |
PROBLEM TO BE SOLVED: To perform a quick charge while miniaturizing a charger. SOLUTION: This system is the charging system in which a rapid constant current power source 13 supplies power to perform a quick charge for a battery 31 when a portable telephone set 2 is not in a speech state, a control part 22 outputs a speech time signal to a control part 15 when the portable telephone set 2 becomes the speech state, the control part 15 stops the output of a rapid constant current power source 12 and prevents excess current from flowing in a charger 1, heat generation is suppressed, the charger is miniaturized and a rapid charge is performed. |
