Abstract: An event-triggered contact information provision apparatus and method of a mobile terminal is provided for presenting contact information of a person, who has triggered an event, around the contact object representing the person on a specific screen. An information provision method of a mobile terminal preferably includes detecting an event; tracing a contact object associated with triggering the event; and presenting contact information of a person triggering the event around at least a portion of the contact object on a display of the mobile terminal.

Abstract: A driver for light emitting diodes can reduce heat generation in a switching device by dividing surplus voltage from a plurality of LED arrays, caused by a voltage difference between LEDs, and providing the divided voltage to a plurality of switching devices. The LED driver includes a power part supplying a preset driving voltage to a plurality of LED arrays, and a plurality of driving parts switching a driving voltage flowing to the plurality of LED arrays, respectively. The plurality of driving parts each include a plurality of switches each receiving a divided surplus voltage remaining after the driving voltage is applied to the plurality of LED arrays.

Abstract: A method and an apparatus for providing a history of information associated with time information capable of displaying internal or external associated information associated with time information as one information item and capable of intuitively providing a history of information associated with a corresponding time by controlling time information are provided. The method for providing information in a mobile terminal includes, displaying an information item including a combination of time information and associated information, updating and displaying the associated information as time information goes by, extracting associated information corresponding to changed time information when the time information changes according to a control event, and displaying a history of associated information corresponding to the changed time information.

Abstract: A method and apparatus for displaying information of multiple applications simultaneously on the execution screen of a common application is provided. A method for providing information in mobile terminal includes displaying an execution screen having a plurality of information display regions with execution of a common application, detecting an interaction made to one of the information display regions, executing an application related to information presented in the information display region at which the interaction is detected, and displaying original data corresponding to the information presented in the information display region at which the interaction is detected.

Abstract: A light source driver supplies a driving voltage, obtained by the multiplication of an input voltage, to a light source, especially to an LED array. The light source driver includes a power converting part switching an input power to be converted into a first power having a predetermined voltage level; and a multiplying part including at least one multiplying cell having at least one capacitor charging and discharging the first power according to the switching of the power converting part and at least one diode providing a path for transmitting the first power according to the switching of the power converting part, multiplying the first power to thereby transmit a driving power to at least one light source, and being configured as a closed loop in which the capacitor and the diode are connected to an input terminal of the power converting part through which the input power is inputted.

Abstract: A coverage apparatus and method for testing a multi-thread environment is provided. The coverage apparatus and method analyzes an application to search for synchronization blocks, forcedly schedules an execution order of a plurality of threads including the detected synchronization blocks in such a manner as to induce execution conflicts of the synchronization blocks, and then executes the threads in the scheduled order to perform coverage of the corresponding application.

Abstract: An instrumentation apparatus and method capable of adding an additional operation to an execution program, are provided. A processor for supporting instrumentation assigns an instrumentation bit to an instruction that includes instrumentation code that needs to be executed. The processor jumps to an address of a memory for execution of the instrumentation code, and stores the jump address in a register. If a fetched instruction includes the instrumentation bit, the processor jumps to the jump address stored in the register and executes the instrumentation code.

Abstract: There is provided a backlight unit having a protection circuit using a center-tap, the backlight unit including: a current balancing unit including a plurality of primary coils individually transmitting the lamp driving power from an inverter unit to the lamps, and a plurality of secondary coils each formed of one conductor having a center-tap, and receiving an electromagnetically induced voltage from each of the plurality of primary coils, the one end and the center-tap of each of the plurality of secondary coils connected in series with the one end and the center-tap of the neighboring secondary coil to form at least one closed loop and maintain current transmitted to each of the lamps balanced; a sensing unit sensing a variation in current of the closed loop and a variation in current of the primary coil from the current balancing unit; and a determination unit determining whether each of the lamps performs an abnormal operation or not.

Abstract: The present invention relates to a light emitting device (LED) driving apparatus that constantly maintains the average current flowing onto a plurality of channels. The light emitting device (LED) driving apparatus includes: a LED light source unit in which at least one LED channel is connected in parallel; at least one current detector that is disposed on a low end of a LED channel of the LED light source unit to detect the current flowing onto respective LED channels; at least one channel current controller that generates control signal controlling the average current of the channels by comparing current detected from the channels with reference wave; and a switching element that controls the average current of the LED channels in a PWM scheme according to the control signals.

Abstract: Disclosed therein is a diamond tool fabricated by combining a mesh net with a synthetic resin material, which includes a diamond sintered body integrally coupled with the outer surface of the mesh net and a synthetic resin material impregnated into the inner surface of the mesh net, thereby maximizing a bonding strength and minimizing weight. The diamond tool includes: a diamond sintered body having a diamond tip; a mesh net integrally coupled with the sintered body in such a way that a portion of the sintered body is impregnated therewith; and a synthetic resin material for forming a body in such a way as to couple the mesh net with the circumference of the sintered body to thereby expose the sintered body to the outside.

Abstract: Provided is a power supply device including a power supply unit that supplies a driving voltage for driving at least one or more loads; a current balancing unit that maintains a current balance of the driving voltage supplied to the respective loads; a detection unit that detects currents flowing in the current balancing unit through electromagnetic induction so as to output a detection signal; and a control unit that receives the detection signal to judge whether the loads are opened or not and outputs a control signal for controlling the magnitude of the driving voltage.

Abstract: There is provided a backlight unit that determines whether a lamp performs an abnormal operation by detecting a voltage that is induced in a power conversion transformer without using a complicated and expensive detection circuit. A backlight unit having a protection circuit using induced voltage detection according to an aspect of the invention includes an inverter part including a primary coil receiving power and at least one secondary coil converting the power from the primary coil to AC power set beforehand, a lamp part including at least one lamp receiving the AC power from the inverter part to emit light, a detection part including conductors detecting voltages electromagnetically induced in the secondary coil, and an abnormality determining part comparing detection voltages from the detection part with a reference voltage set beforehand.

Abstract: A tilting device is disclosed. The tilting device may include: a base; a guide, of which one side is hinge-coupled to the base; a jointed link, in which a joint is formed, and of which either end is hinge-coupled respectively to the base and to the other side of the guide, to thereby allow the guide to tilt; a leadscrew engaging the joint; and a driving unit configured to drive the leadscrew. With this configuration, the tilting device may be implemented in a compact structure using a smaller driving unit.

Abstract: There is provided a backlight unit having a protection circuit using a center-tap, the backlight unit including: a current balancing unit including a plurality of primary coils individually transmitting the lamp driving power from an inverter unit to the lamps, and a plurality of secondary coils each formed of one conductor having a center-tap, and receiving an electromagnetically induced voltage from each of the plurality of primary coils, the one end and the center-tap of each of the plurality of secondary coils connected in series with the one end and the center-tap of the neighboring secondary coil to form at least one closed loop and maintain current transmitted to each of the lamps balanced; a sensing unit sensing a variation in current of the closed loop and a variation in current of the primary coil from the current balancing unit; and a determination unit determining whether each of the lamps performs an abnormal operation or not.

Abstract: Provided is a power supply device including a power supply unit that supplies a driving voltage for driving at least one or more loads; a current balancing unit that maintains a current balance of the driving voltage supplied to the respective loads; a detection unit that detects currents flowing in the current balancing unit through electromagnetic induction so as to output a detection signal; and a control unit that receives the detection signal to judge whether the loads are opened or not and outputs a control signal for controlling the magnitude of the driving voltage.

Abstract: A method and a terminal for playing and displaying music are provided. The method includes selecting a desired track in a playback mode, playing the selected track, displaying information about the selected track and a playing progress bar and displaying a current play time for the selected track and a position corresponding to the current play time on the playing progress bar in order to update playing progress information. The method and terminal enable a user to adjust the playback and selection of tracks through a novel interface, thereby providing increased convenience for a user of a terminal equipped with a music player.

Abstract: An onscreen function execution method for a mobile terminal having a touchscreen is provided. The method allows for executing functions of an activated application by a tap on a specific area of the touchscreen. An onscreen function execution method of the present invention includes mapping active regions of the touchscreen to functions of at least one application, displaying an application screen in response to an application activation command and executing, if a tap is detected on one of the active regions, a function mapped to the application activation command. The active regions may include a function execution display region and the applications may comprise a camera application, a music player application, an idle mode screen application and the like. The method allows a user to execute functions of an activated application by tap on the touchscreen.

Abstract: There is provided a backlight unit that determines whether a lamp performs an abnormal operation by detecting a voltage that is induced in a power conversion transformer without using a complicated and expensive detection circuit. A backlight unit having a protection circuit using induced voltage detection according to an aspect of the invention includes an inverter part including a primary coil receiving power and at least one secondary coil converting the power from the primary coil to AC power set beforehand, a lamp part including at least one lamp receiving the AC power from the inverter part to emit light, a detection part including conductors detecting voltages electromagnetically induced in the secondary coil, and an abnormality determining part comparing detection voltages from the detection part with a reference voltage set beforehand.

Abstract: Disclosed herein is electric lipstick. The electric lipstick includes a body for accommodating a battery therein, a lipstick container provided with a pair of guide protrusions on the circumferential surface thereof, a guide provided with a pair of guide holes formed along the length of the circumferential wall thereof so as to support the guide protrusions in a vertical direction, a rotary element provided with a pair of spiral grooves on the inner circumferential surface thereof so as to help the guide protrusions be raised and lowered as desired, a motor assembly for rotating the rotary element, and a switch for selectively connecting the motor assembly and the battery to each other and controlling the turning on, turning off, driving duration and driving direction of the motor assembly.

Abstract: A method and apparatus for user interface are disclosed that include: a display unit for displaying, in response to a request for a lower menu level of a specific menu item, at least one menu item of the requested lower menu level; a menu determiner for determining existence of a lower level menu item of a displayed menu item; an input interface unit for inputting a scroll event from the touchpad; an event processor for moving, in response to input of a scroll event, a highlight between displayed menu items; and a controller for controlling, if a highlighted menu item has a lower menu level, a display operation to simultaneously display the highlighted menu item and lower-level menu items, and to place the highlight on a lower-level menu item.