CHARGING SYSTEM, POWER SUPPLY ADAPTER, AND CHARGING METHOD

摘要

PROBLEM TO BE SOLVED: To enable an owner of a portable terminal to charge a portable terminal even when he or she does not have a charger, and to appropriately perform adjustment for charging of the portable terminal by using an electric outlet of another person.SOLUTION: A power supply adaptor 30 controls the connection of the connection terminal of a charger 10 with the connection terminal of an own device to be locked since the charging of a portable terminal 20 is started by a character 10 which charges the portable terminal 20 until the charge of electricity used for the charging of the portable terminal 20 is adjusted. Then, the power supply adapter 30 measures electric energy supplied to the portable terminal 20, and notifies a power supply charge adjustment device 50 which adjusts the charge of electricity used for the charging of the portable terminal 20 of the measured electric energy. Then, the power supply adapter 30 controls the lock of the connection of the connection terminal of the charger 10 with the connection terminal of the own device to be released when the release of the lock is instructed from the power supply charge adjustment device 50.SELECTED DRAWING: Figure 1