Samsung Electronics Co., Ltd.

Jaedeok Cha

Sangju Kim

Wonseok Jang

Jinsoo Ha

Sunghoon Kim

Jongmin Kim

Yongjae Kim

Sunghun Kim

Hyungwook Choi

Insung Hwang

Haesoo Kim

Chahoon Park

Byongjeon Lee

Kangseok Cho

Jaesub Youn

Yongbum Ha

Kikwon Bin

Sungyun Jin

Seongtaek Kwon

Bohyeon Han

Jungje Bae

Seoncheol Kim

An electronic device is provided. The electronic device includes a substrate comprising a touch sensing circuit, which includes a first layer, a second layer overlapping with the first layer, a plurality of first electrode lines arranged on the first layer in a first direction, and a plurality of second electrode lines arranged on the second layer in a second direction that is vertical with respect to the first direction, a coil arranged to at least partially overlap with the substrate, a power transmission circuit for wirelessly transmitting power through the coil, a ground electrically connected to the power transmission circuit, and a control circuit electrically connected to the coil and the ground, wherein the control circuit can be configured to selectively connect the coil to the power transmission circuit or the ground.

Electronic device including coil for wireless power transmission

A charging adapter according to an embodiment comprises: a first battery; and a charging circuit configured to charge the first battery with external power and generate first power, wherein in a fast charging mode, the charging circuit is configured to charge a second battery in an electronic device detachably connected to the charging adapter based on the first power generated and the first battery is configured to generate a second power and charge the second battery with the second power while the charging circuit charges the second battery.

Power charging system and power charging method using adapter with built-in battery

An electronic device is disclosed. The electronic device discloses a plurality of wireless charging antennas, a plurality of shielding partition layers, at least some of the plurality of shielding partition layers disposed between the plurality of wireless charging antennas, a plurality of external device-receiving grooves formed through spaces defined between pairs of the shielding partition layers, and a processor electrically coupled to the plurality of wireless charging antennas. The processor is configured to: determine whether at least one external device is inserted into at least one of the plurality of external device-receiving grooves, and when the at least one external device is inserted into the at least one of the plurality of external device-receiving grooves, wirelessly transmit power through at least one wireless charging antenna corresponding to the at least one of the plurality of external device-receiving grooves into which the at least one external device is inserted.

Multi-device wireless charger and electronic device wirelessly charged by the same

An electronic device according to various embodiments of the present invention comprises: a first port and a second port; a system; a battery; a first charging circuit electrically connected to the first port, the system, and the battery; and a second charging circuit electrically connected to the second port, the system, the battery, and the first charging circuit. Accordingly, the electronic device can be supplied with electricity from a plurality of electric supplies through circuits which are realized in a simple manner.

Electronic device for controlling power

An electronic device, a cable, and a method of driving the same are provided. The cable that transmits data and power includes a notification device comprising notification circuitry configured to output a notification when the power is transmitted, a first connector positioned at one end of the cable, a second connector positioned at an other end of the cable, a wire connecting the first and second connectors and including a data line that transmits the data and a power line that transmits the power, and a cable controller connected to the power line and configured to identify a characteristic of power transmitted through the power line and to change a form of the notification output from the notification device based on the identified power characteristic.

Electronic device and cable and method of driving the same

An apparatus for charging a battery of an electronic device is provided. The apparatus includes a battery configured to supply power to the electronic device; a charger configured to charge the battery according to a set charging voltage (V_SET) and a charging current (I_SET); and a controller configured to set the V_SET and the I_SET, and receive an output value of the charger or the battery during charging to re-set the V_SET if the output value corresponds to a pre-set reference range.

Method and apparatus for controlling battery charging of device

An electronic apparatus according to an embodiment of the present disclosure may include an input/output interface, the mode of which can be changed to a data communication mode or a charging mode. An electronic apparatus according to an embodiment of the present disclosure may include: a connector to which an external electronic apparatus having an interface that can be connected to an input/output interface is connected; a power supply unit for supplying power to the external electronic apparatus through a power supply line connected to the connector; a host controller for controlling data transmission from and to the external electronic apparatus; and a mode controlling unit for measuring electric current flowing through the power supply line, changing an operation mode on the basis of a result obtained by comparing the electric current value with a reference value, and controlling operations of the power supply unit and the host controller according to the operation mode.

Input/output interface control method and electronic apparatus performing same

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Gyeonggi-do, South Korea

Jaedeok Cha