Abstract: Technologies are described herein for utilizing a head heater to test temperature stability of a head of a storage device and to prevent the head from operating in an unstable temperature condition. A temperature condition of a read/write head in a storage device is ascertained and it is determined whether the temperature condition is within a predetermined range of temperature conditions in which the read/write head exhibits instability. If the temperature condition of the read/write head is within the predetermined range, a power level of a head heater of the read/write head is adjusted to change the temperature condition of the read/write head to be outside of the predetermined range.

Abstract: A method for wireless charging of an electronic apparatus includes: requesting a server for information regarding chargeable electronic devices; receiving the information regarding chargeable electronic devices from the server; and performing charging with at least one electronic device.

Abstract: A method and a device for performing communication in a wireless communication system are provided. In the wireless communication system, a transmitter determines a communication state for first devices using a first communication scheme for a first time interval, determines a duration of a second time interval to be allocated for the first devices, and transmits information on the second time interval having the determined duration to the first devices before the second time interval starts, wherein the first time interval and the second time interval are included in a frame allocated for a second communication scheme that different from the first communication scheme, wherein a frequency used for the first communication scheme is identical to a frequency used for the second communication scheme, and wherein a signal transmission operation of second devices using the second communication scheme is suspended during the first time interval and the second time interval.

Abstract: Disclosed herein is a digital photographing apparatus which identifies a registered user and applies digital photographing apparatus setting information corresponding to the identified user and a method of controlling the same. The apparatus includes an input unit that receives user identification information; an identifying unit that identifies a user registered to the digital photographing apparatus based on received user identification information; a storage unit that stores setting information regarding the digital photographing apparatus corresponding to a user registered to the digital photographing apparatus; and a control unit that confirms setting information regarding the digital photographing apparatus corresponding to the identified user and applies a setting corresponding to the confirmed setting information to the digital photographing apparatus.

Abstract: Provided are apparatuses and methods of resampling event data for quantitative improvement of a PET image, which acquire a quantitatively-improved new PET image by analyzing a storage format of list data prior to conversion into the PET image and nonparametrically resampling event data from the list data based on the analysis results to improve noise and statistical characteristics thereof. The quantitatively improved new PET image may be acquired by analyzing a storage format of list data constituting the PET image and nonparametrically resampling event data to improve noise and statistical characteristics thereof.

Abstract: A method and an apparatus perform a video call service. A transmission communication device provides information on a rotation angle of a video call image transmitted during a video call to a reception communication device corresponding to a counterpart of the video call. Then, the reception communication device renders the received video call image by using the information on the rotation angle of the received video call image, and displays a rendered video call image. Accordingly, an image of a counterpart of the video call can be normally provided during the video call.

Abstract: A laser optical system for a head lamp may include a laser diode emitting light, a PCB substrate to which the laser diode is attached, the PCB substrate controlling supply of current to the laser diode, a fluorescent body located in front of the laser diode, reacting with the light emitted from the laser diode and thereby outputting white light, a guide path located in front of the laser diode and guiding light, which is outputted from the laser diode, to the fluorescent body, and an internal reflecting surface located between the fluorescent body and the guide path and connected to the guide path, the internal reflecting surface reflecting light, which has been incident on the fluorescent body and scattered backwards, to the fluorescent body.

Abstract: An electron emission device includes a cathode electrode; a mesh-shaped gate electrode spaced apart from the cathode electrode; a plurality of gate spacers between the cathode electrode and the gate electrode; and a plurality of electron emission sources between the cathode electrode and the gate electrode, and alternating with the plurality of gate spacers.

Abstract: A method and device for determining an output of a visible frame in at Visible Light Communication (VLC) device are provided. A first VLC device determines whether to permit a second VLC device to generate visible frames, and transmits, to the second VLC device, visible frame information indicating whether the second VLC device is permitted to generate the visible frames.

Abstract: A wireless charging method includes synchronizing power phases of at least two charging power supply devices, and wirelessly charging a terminal using the at least two charging power supply devices.

Abstract: A method and apparatus for selectively securing records in a Near Field Communication Data Exchange Format (NDEF) message in a Near Field Communication (NFC) device are provided. The method includes generating a place marker signature record by setting a URI_present field to ‘0’ and setting a signature_type field to a predefined value, wherein a combination of the URI_present field set to ‘0’ and the signature_type field set to the predefined value indicates that a signature Record Type Definition (RTD) is a place marker signature record; and placing the place marker signature record in the NDEF message, wherein a set of records following the place marker signature record are secured.

Abstract: Described embodiments provide for handover in a long term evolution (LTE) communication network. A LTE macrocell base station may receive a measurement report from user equipment while providing a communication service to the user equipment located within a service area of the LTE macrocell base station, and determine whether or not the neighbor cell is a LTE macrocell or a LTE femtocell based on the measurement report. The LTE macrocell base station may initiate hand-over of the user equipment to a neighbor WCDMA macrocell base station when the neighbor cell is determined as the LTE femtocell.

Abstract: Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage.

Abstract: Provided is an apparatus for protecting a passenger of an automobile, including: an automobile body; a biaxial FIS sensor mounted at a front center of the automobile body to sense decelerations on an X axis which is in a length direction of the automobile body and a Y axis which is in a width direction of the automobile body during an automobile impact; a deceleration meter sensing a first deceleration during the automobile impact; and a controller determining an airbag splaying time based on a displacement value and a predicted displacement value moving forward from an initial position of the passenger calculated based on the first deceleration, and an X-axial velocity variation and a Y-axial velocity variation measured from the biaxial FIS sensor.

Abstract: A communication apparatus for inter-vehicular communication according to the present invention includes: a network state estimating unit configured to estimate network state information indicating a current network state based on driving information and channel state information of neighboring vehicles; a network access controller configured to control whether to transmit a message based on the network state information; a transmission scheduler configured to control a transmission time point of the message based on the network state information; and a transmission buffer unit configured to delay transmission of the message according to the control of the transmission time point of the transmission scheduler.

Abstract: The present invention relates to a pharmaceutical composition for treating or preventing a disease related to abnormal suppression of regulatory T cell activity comprising a polypeptide comprising a bee venom-PLA2 amino acid sequence exclusive of a leader sequence as an active ingredient. The secretory bee venom-phospholipase A2 of the present invention activates a regulatory T cell and suppress a differentiation of Th1/Th7. Therefore, the present polypeptide can be used as a pharmaceutical composition for treating or preventing a disease related to abnormal suppression of regulatory T cell activity, i.e. autoimmune diseases, allergic diseases, or neurodegenerative diseases.

Abstract: A semiconductor device includes a substrate including a first active region, a second active region and a field region between the first and second active regions, and a gate structure formed on the substrate to cross the first active region, the second active region and the field region. The gate structure includes a p type metal gate electrode and an n-type metal gate electrode directly contacting each other, the p-type metal gate electrode extends from the first active region less than half way toward the second active region.

Abstract: Provided is a composition for preventing or treating osteoporosis. The composition contains an ibandronic acid, or a pharmaceutically acceptable salt thereof, or a hydrate thereof, and vitamin D. The composition has uniform medicinal effects by minimizing the differences in physical properties between ibandronic acid, or the pharmaceutically acceptable salt thereof, or the hydrate thereof, and vitamin D.

Abstract: There is provided an even-level inverter, including: a voltage-dividing circuit dividing input DC power into an even number of voltage levels; a plurality of switching devices connected to individual nodes of the voltage-dividing circuit having the even number of voltage levels; and a bidirectional switching device connected to the individual nodes of the voltage-dividing circuit through at least one of the plurality of switching devices and including at least two transistors. According to the present invention, the bidirectional switching device is implemented without a diode to thereby reduce conduction loss caused due to an anti-parallel diode included in the related art bidirectional switching device, and a neutral point of the voltage-dividing circuit is electrically separated from the switching devices to thereby control reactive power.

Abstract: According to one embodiment, a photo detector-combined illuminance sensor includes a circuit for a Photo Detector (PD) function to detect the illuminance of the ambient environment. The illuminance sensor operates under the control of a controller in a visible light communication terminal. When an optical signal detected by the illuminance sensor is a visible light communication signal, the controller switches to cause the illuminance sensor to operate as the photo detector for the visible light communication in a visible light communication mode.