Samsung Electronics Co., Ltd.

Sungsoo Moon

Bongjae Rhee

Kemsuk Seo

Changsu Lee

Sangmoon Lee

Jihun Heo

Jihoon Park

Sunggeun Yoon

Taeyoon An

Chihyuan Lin

According to an embodiment, a battery pack comprises a battery cell including a positive electrode and a negative electrode and configured to generate an electromotive force via the positive electrode and the negative electrode, a plurality of first sub paths configured to connect the positive electrode to a sensing circuit of an electronic device to which the battery pack is connected, a plurality of second sub paths configured to connect the negative electrode to the sensing circuit, a power line configured to connect the positive electrode and the negative electrode to at least one of a system of the electronic device or a charging circuit of the electronic device, a first switch configured to selectively connect at least one of the plurality of first sub paths, selected depending on a voltage applied to the positive electrode and the negative electrode, to the sensing circuit, and a second switch configured to selectively connect at least one of the plurality of second sub paths, selected depending on the voltage, to the sensing circuit.

Battery pack and electronic device for selecting path for measuring voltage of battery cell

An electrostatic induction device is provided which includes at least one first element including a first electrode, a second electrode electrically connected to the first electrode, and a third electrode electrically connected to the first electrode and the second electrode, at least one second element including a charged area having been charged with positive or negative charges and moves while adjacent to the first element so as to cause an electrostatic induction action with the first element, and a third element which is electrically connected to the first element, and receives, from the first element, a first electric current generated between the first and the second electrode, a second electric current generated between the first and the third electrode, and a third electric current generated between the second and the third electrode, by the movement of the second element, and rectifies the received first, second and third electric currents.

Electrostatic induction device for performing power generating function

Disclosed is a photovoltaic cell including a first electrode and a second electrode having transparency and disposed facing each other, and a photovoltaic cell layer disposed between the first and second electrodes, and configured to produce electric energy by absorbing a part of incident light, wherein the photovoltaic cell layer includes a plurality of unit cells disposed in a specific distance from each other and formed with a plurality of slits for polarizing the incident light, and a transparent insulator disposed in the plurality of slits.

Photovoltaic cell having polarization characteristic and electronic device having the same

An interface device and method between an electronic device and an external device using an ear jack of a smart device are disclosed in order to implement an interface that is capable of automatically recognizing an ear jack insertion type appcessory. The interface device includes: an electronic device including an ear jack including a plurality of audio signal input and output terminals; an external device including an interface unit including a connector unit configured to be inserted into the ear jack, the connector unit including a plurality of terminals that correspond to the plurality of audio signal input and output terminals provided in the ear jack of the electronic device, respectively; and a recognizing unit on the connector unit of the interface unit configured to recognize whether the external device is connected to the ear jack of the electronic device through a plurality of detections.

Growing community of inventors

Gyeonggi-do, South Korea

Sungsoo Moon