Universal serial bus chargers and charging management methods thereof are provided. The universal serial bus charger includes a control unit, a charger module, a universal serial bus interface device, and a switch device. The control unit receives a power ...

A electronic device and a power supplying method thereof are provided. The device includes a system unit, an internal power supplying unit and a power controller. The internal power supplying unit is coupled to the system unit, and supplies a system voltag...

The present invention provides a wireless charger including a sensing device, a charging coil array and a processor. The sensing device determines the shape of the recharging area of an electronic device placed on the wireless charger. The charging coil ar...

A printing system and an aligning structure of a wireless data transmission interface thereof are provided, in which a printing apparatus includes a coil, a modulation unit, a drive control unit, and an electronic paper (ePaper). The coil receives a wirele...

Systems and methods for detecting positions are provided. First, a reference point is recorded by a first mobile device. Then, a movement, an acceleration, and an orientation of the first mobile device are detected by at least one sensor. Then, after a pre...

An electronic device includes a base (10), a locking mechanism (20), and a battery (30). The base (10) includes a receiving bay (11) and a battery bay (12). The receiving bay (11) includes a through slot (113) defined thereon. The battery (30) is selective...