Abstract: An emergency notification system and server are provided. The emergency notification system includes a wearable device that senses biosignals of a user wearing the wearable device and captures environment data; and a mobile device that periodically receives at least one of the biosignals and the environment data from the wearable device, determines a distance between the mobile device and the wearable device, periodically transmits the at least one of the biosignals and the environment data to a server, requests the wearable device to provide the at least one of the biosignals and the environment data, and transmits the received at least one of the biosignals and the environment data to the server.

Abstract: A smart watch capable of wireless charging includes a bezel which functions as a smart function operation circuit and a touchable display and a wrist band connected to the bezel. The bezel is separated from a power receiving coil.

Abstract: A wireless charging system includes a steering wheel including a wireless power transmission device that is configured to wirelessly transmit a wireless power signal based on a magnetic resonance technique or based on a magnetic induction technique and at least one wearable device including a wireless power reception device that is configured to wirelessly receive the wireless power signal to charge a battery included in the wearable device based on the wireless power signal.

Abstract: A dielectric ceramic composition includes: a base material powder BamTiO3 (0.995?m?1.010); 0.2 to 2.0 moles of a first accessory ingredient, an oxide or carbide containing at least one of Ba and Ca, based on 100 moles of the base material powder; a second accessory ingredient, an oxide containing Si or a glass compound containing Si; 0.2 to 1.5 moles of a third accessory ingredient, an oxide containing at least one of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, based on 100 moles of the base material powder; and 0.05 to 0.80 mole of a fourth accessory ingredient, an oxide containing at least one of Cr, Mo, W, Mn, Fe, Co, and Ni, based on 100 moles of the base material powder, a content ratio of the first accessory ingredient to the second accessory ingredient being 0.5 to 1.7.

Abstract: A multilayer ceramic electronic component includes a hexahedral ceramic body including dielectric layers and having first and second main surfaces opposing each other in a thickness direction, first and second end surfaces opposing each other in a length direction, and first and second side surfaces opposing each other in a width direction; first and second internal electrodes stacked to have the dielectric layer interposed therebetween within the ceramic body and alternately exposed through the first and second end surfaces; and first and second external electrodes electrically connected to the first and second internal electrodes, respectively, and including first and second head parts formed on the first and second end surfaces, wherein width of the first and second head parts is less than width of the ceramic body, and when length, width and thickness of the ceramic body are defined as L, W, and T, respectively, T/W>1.0 is satisfied.

Abstract: Provided is a disc clamping structure, a spindle structure, and an optical disc drive having the disc clamping structure. The disc clamping structure includes a chucking spring comprising a pressing portion pressing an upper surface of the clamper, and elastic portions surrounding the pressing portion and providing an elastic force toward the clamper. The disc clamping structure does not require a magnetic thrust as does the conventional optical disc drive.

Abstract: There is provided a multilayer ceramic electronic component including a lamination main body including a plurality of inner electrodes. When T1 represents a distance between vertically adjacent inner electrodes in a central portion of the lamination main body, and T2 represents a distance between vertically adjacent inner electrodes at an edges of the inner electrodes in a widthwise direction, a ratio (T2/T1) of T2 to T1 is 0.80 to 0.95.

Abstract: A multilayer ceramic electronic component includes a hexahedral ceramic body including dielectric layers and having first and second main surfaces opposing each other in a thickness direction, first and second end surfaces opposing each other in a length direction, and first and second side surfaces opposing each other in a width direction; first and second internal electrodes stacked to have the dielectric layer interposed therebetween within the ceramic body and alternately exposed through the first and second end surfaces; and first and second external electrodes electrically connected to the first and second internal electrodes, respectively, and including first and second head parts formed on the first and second end surfaces, wherein width of the first and second head parts is less than width of the ceramic body, and when length, width and thickness of the ceramic body are defined as L, W, and T, respectively, T/W>1.0 is satisfied.

Abstract: A dielectric ceramic composition includes: a base material powder BamTiO3 (0.995?m?1.010); 0.2 to 2.0 moles of a first accessory ingredient, an oxide or carbide containing at least one of Ba and Ca, based on 100 moles of the base material powder; a second accessory ingredient, an oxide containing Si or a glass compound containing Si; 0.2 to 1.5 moles of a third accessory ingredient, an oxide containing at least one of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, based on 100 moles of the base material powder; and 0.05 to 0.80 mole of a fourth accessory ingredient, an oxide containing at least one of Cr, Mo, W, Mn, Fe, Co, and Ni, based on 100 moles of the base material powder, a content ratio of the first accessory ingredient to the second accessory ingredient being 0.5 to 1.7.

Abstract: Provided is an optical disc drive that may prevent an optical disc from dropping during an unclamping operation. The optical disc drive includes a main frame to support the optical disc drive and a disc tray in which the optical disc is disposed, and one or more stopper mechanisms to prevent the optical disc disposed on the disc tray from dropping.

Abstract: There are provided a dielectric composition and a multilayer ceramic electronic component using the same, the dielectric composition including dielectric grains having a perovskite structure represented by ABO3, wherein the dielectric grain includes a base material, in which at least one rare earth element RE is solid-solubilized in at least one of A and B, and a transition element TR, and a ratio (TR/RE) of the transition element to the rare earth element is 0.2 to 0.8.

Abstract: A magnetic disc apparatus includes a micro actuator for two-stage actuator having a first stage and a second stage, and a slider mounted to the miro actuator and having a head element to perform recording and reproduction into/from a magnetic disc. A thermal actuator and a spring part are provided on a table, on which the slider is put. The thermal actuator is connected to the slider, and the thermal actuator includes a V-shaped thin film resistance.

Abstract: Provided is a disc clamping structure, a spindle structure, and an optical disc drive having the disc clamping structure. The disc clamping structure includes a chucking spring comprising a pressing portion pressing an upper surface of the clamper, and elastic portions surrounding the pressing portion and providing an elastic force toward the clamper. The disc clamping structure does not require a magnetic thrust as does the conventional optical disc drive.

Abstract: Disclosed is a structure for raising the Q-value of a near-field antenna used by a non-contact power transmission device that utilizes magnetic field coupling in the near field in a manner improving the efficiency of power transmission. The near-field antenna used by the non-contact power transmission device galvanically isolates a resonant circuit including a resonant first inductor 31 and a first capacitor 32 from a transmission circuit or a reception circuit and, through electromagnetic coupling or inductive coupling established between the transmission or reception circuit and the near-field antenna using a second inductor 33 or a second capacitor 34, maintains a high Q even if the coupling between the antennas weakens due to an extended distance the antennas.

Abstract: There is provided a multilayer ceramic electronic component including: a lamination main body including a dielectric layer; and a plurality of inner electrode layers formed within the lamination main body and having ends exposed from one or more faces of the laminated main body, wherein when a distance between central portions of adjacent inner electrodes among the plurality of inner electrodes is T1 and a distance between non-exposed edges of the adjacent inner electrodes is T2, the ratio (T2/T1) of T2 to T1 is 0.80 to 0.95.

Abstract: There is provided a multilayer ceramic electronic component including: a lamination main body including a dielectric layer; and a plurality of inner electrode layers formed within the lamination main body and having ends exposed from one or more faces of the laminated main body, wherein when a distance between central portions of adjacent inner electrodes among the plurality of inner electrodes is T1 and a distance between non-exposed edges of the adjacent inner electrodes is T2, the ratio (T2/T1) of T2 to T1 is 0.80 to 0.95.

Abstract: A micro actuator for two-stage actuator, which serves to position a magnetic disc apparatus, according to the invention comprises thermal actuators formed from a thin film resistance to generate a high force and arranged on both sides of a slider, and a parallel flat plate spring for driving the slider and a head element in a track widthwise direction, and has function to mount thereon a laser diode for thermal assist recording.

Abstract: The present invention relates generally to a method of processing packet data between a video server and clients, and more particularly to a method of transmitting packet data to a plurality of clients related to different data rates from a video server that employs a real-time moving image compression method. In the method of processing packet data between a video server and a plurality of clients of the present invention, the video server is implemented as a moving image compression video server including a camera, an image acquiring unit, a moving image compressor, a stream server and a network interface, and the clients are connected to the video server through different paths. In the method, the stream server divides compressed image data, which has been read from the moving image compressor, into packets and buffers the packets in at least one packet buffer provided in the stream server, before transmitting the compressed image data to the network interface.