Abstract:
A method for charging in a portable terminal is provided. The method includes charging a battery of an electronic device, using a natural resource, monitoring a charging state of the battery, and booting the electronic device based at least in part on the charging state and a determination that the electronic device is powered off.
Abstract:
Methods and apparatuses are provided for controlling a display of an electronic device. One or more reference points are detected at a touch panel of the electronic device. Screen display positions for a Head Mounted Display (HMD) mode are determined based on positions of the one or more reference points. Screens in the HMD mode are displayed at the screen display positions.
Abstract:
A control circuit for reducing a charging time and a method thereof are provided. The charging device includes an input unit configured to receive a control signal indicating that applied power is process power, and a switch configured to cut off a path between a terminal set and a battery while the process power is applied, when the applied power is the process power.
Abstract:
A power supply circuit in an electronic device is provided. The power supply circuit includes a connector configured to receive external power and IDentifier (ID) data, a first switch disposed between the connector and a system of the electronic device, a second switch connected to the system, and a controller configured to control ON and OFF states of each of the first and second switches based on the ID data.