Asustek Computer Inc.

Chia-Jui Shih

Yii-Lin Wu

Chia-Yu Liu

Kai-Chun Liang

Kian-Ming Chee

Kian Ming Chee

An accessory device, and an electronic system and an operation method thereof are provided. The accessory device includes a functional module, a first connection interface, a second connection interface, a switch module, and a microcontroller. The first connection interface is configured to be coupled to an external first electronic device. The second connection interface is configured to be coupled to an external second electronic device. The switch module is disposed between the first connection interface and the second connection interface, and between the first connection interface and the functional module. The microcontroller controls the switch module, so that at least one of the first electronic device, the second electronic device, and the functional module supplies power to at least another one of the first electronic device, the second electronic device, and the functional module.

Accessory device, and electronic system and operation method thereof

A charging device connected to a power source for charging a plurality of electronic devices is provided. Each of the electronic devices has a predetermined charging power. The charging device comprises a power input end, a plurality of power output ends, a plurality of charging units, and a controller. The power input end is connected to the power source. The power output ends are utilized to connect the electronic devices. The charging units are electrically connected to the power output ends respectively. The controller is electrically connected to the power input end, the power output ends and the charging units for accessing an output power of the power source via the power input and each of the predetermined charging powers via the power output ends, and controlling the charging units according to the output power and the predetermined charging powers.

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TAIPEI, Taiwan

Chia-Jui Shih