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US 8,558,506 B2Granted
Method and apparatus for controlling battery charging of portable device
AssigneeSamsung Electronics Co., Ltd.
InventorJu Hwan Lee
Life of this patent
Estimating the term…
Abstract
A device and method for controlling the charging of a portable terminal is provided. The device includes an external power supply interface unit for supplying an external power, a battery interface unit to which a main battery and a sub battery are connected, and a charging controller for controlling a charge of the main battery or a simultaneous charge of the main battery and the sub battery.
Claims12
A charging control device of a portable terminal, the device comprising:
- an external power supply interface unit for supplying an external power;
- a battery interface unit to which a main battery and a sub battery are connected;
- and
- a charging controller for controlling at least one of a charge of the main battery and a simultaneous charge of the main battery and the sub battery,
- wherein the battery interface unit comprises:
- a lower slider comprising a settling portion in which the main battery is settled and a main battery interface unit electrically connected with the main battery;
- an upper slider comprising a sub battery settling portion that slides on the lower slider and settles the sub battery according to a slide state;
- and
- a sub battery interface unit prepared in one side of the lower slider and electrically connected with the sub battery.
6 more elements
A charging control method of a portable terminal, the method comprising:
- supplying an external power supply;
- determining whether a main battery is electrically connected to the portable terminal;
- determining whether a sub battery is electrically connected to the portable terminal when the main battery is connected;
- and
- controlling to simultaneously charge the main battery and the sub battery,
- wherein the main battery and the sub battery connection process comprises:
- settling the main battery in a main battery settling portion prepared in a lower slider;
- settling the sub battery in one side of an upper slider;
- and
- moving a sub battery interface unit accepted in the lower slider after the sub battery is settled to electrically connect to an electrode of the sub battery.
7 more elements
Dependencies are inferred from the claim text.