Abstract: A method of adjusting the size, position, or arrangement of a UI and a user terminal using the method are disclosed. A method of adjusting a UI on a user terminal includes: displaying a first UI on a display unit of a user terminal; and displaying a second UI having a reduced size from that of the first UI, in the event that a touch means touching an adjustment area positioned on at least one of an upper side, a lower side, a left side, and a right side of the display unit is moved in a particular direction while maintaining contact, where the adjustment area is positioned within a preset distance from a bezel of the user terminal, and the position where the second UI is displayed is determined according to a touch position of the touch means.

Abstract: A data equalizing circuit includes an equalizer configured to output data according to a control code; and a detection unit configured to divide the data into N number of calculation periods, count data transition frequencies for the N calculation periods, calculate dispersion values of the data transition frequencies for the N calculation periods, and output the control code corresponding to a largest dispersion value, in response to a counting interruption signal and a counting completion signal, wherein n is equal to or greater than 2, N is greater than n, and the data is divided to n number of unit intervals (UI), and wherein a phase shift of each of the calculation periods with respect to its corresponding UI is different from a phase shift of any of the other calculation periods with respect to its corresponding UI.

Abstract: There is provided a power factor correction circuit capable of correcting a power factor of a power converting module through increasing an input current by switching a main switching element of a power converting module on the basis of a first reference wave having a slope based on a first signal and an error voltage, in particular, by limiting a switching frequency on the basis of a first reference wave having a slope based on a second signal lower than a first signal and an error voltage when the switching frequency of the main switching element increases because an input voltage of the power converting module is low.

Abstract: There is provided a power factor correction circuit including: a power conversion circuit unit controlling an inductor current according to a switching signal applied to a main switch to convert an external input voltage into an output voltage having a predetermined range; an imbalance detection circuit outputting an imbalance state signal when the external input voltage is in an unbalanced state by using the inductor current; and a soft start circuit unit performing soft starting by adjusting the switching signal when the imbalance state signal is output by the imbalance detection circuit unit.

Abstract: There are provided a phase shift circuit and a power factor correction circuit including the same. The phase shift circuit includes a switching circuit unit charging power in or discharging power from a capacitor through a plurality of switching devices and comparing a voltage of the capacitor with a predetermined reference voltage, and a clock generating unit generating a reference clock signal based on an output of the switching circuit unit, wherein the switching circuit unit turns the plurality of switching devices on or off, based on currents from inductors respectively included in a main circuit and a sub-circuit of a power factor correction circuit to determine a polarity of the voltage of the capacitor.

Abstract: A method of adjusting the size, position, or arrangement of a UI and a user terminal using the method are disclosed. A method of adjusting a UI on a user terminal includes: displaying a first UI on a display unit of a user terminal; and displaying a second UI having a reduced size from that of the first UI, in the event that a touch means touching an adjustment area positioned on at least one of an upper side, a lower side, a left side, and a right side of the display unit is moved in a particular direction while maintaining contact, where the adjustment area is positioned within a preset distance from a bezel of the user terminal, and the position where the second UI is displayed is determined according to a touch position of the touch means.

Abstract: A signal transmission circ it includes a main driving unit configured to drive a first signal transmission One in response to an input signal and output a first driven signal, an emphasis driving unit configured to perform an emphasis operation on the first driven signal and output an emphasized signal, and a crosstalk control unit configured to perform an equalizing operation on the emphasized signal.

Abstract: An apparatus and a method for charge control are provided. The apparatus for charge control may include an integrated direct current-to-direct current (DC/DC) converter configured to step up an output voltage level of a load to be greater than or equal to a supply voltage level set in a power amplifier, and the power amplifier configured to convert a direct current (DC) voltage stepped up by the integrated DC/DC converter into an alternating current (AC) voltage based on a resonant frequency, and to amplify the converted AC voltage. The apparatus for charge control may include a rectification unit configured to convert an AC power received wirelessly into a DC power; and a DC/DC converter configured to step down a voltage level of the DC power to a voltage level required by a load in the receiving mode.

Abstract: A system for linking and controlling terminals is disclosed. A user terminal includes an image unit configured to output image data corresponding to a first image to be shared with a receiving terminal viewed by a user of the user terminal, and a signal unit configured to transmit the image data outputted from the image unit and position information of a touch means touching the user terminal to the receiving terminal. Here, the position information is position information of the touch means touching the user terminal at a preset pressure level or lower or with a preset contact area or smaller, and is displayed on the receiving terminal in an image form.

Abstract: A signal transmission circuit may include a main driving unit configured to drive a first signal transmission line with given driving force in response to a first input signal, and a crosstalk cancellation unit configured to differentiate a signal transferred through a second signal transmission line, which is adjacent to the first signal transmission line, and incorporate a differentiated value into the first signal transmission line.

Abstract: An apparatus and a method for wireless power reception are provided. A wireless power receiver includes a receiving unit configured to wirelessly receive a power. The wireless power receiver further includes a power consuming unit configured to consume the power, until a voltage applied to a load reaches a predetermined value, so that an amount of a power transferred from the receiving unit to the load is less than or equal to an initial accommodation power amount of the load.

Abstract: A user terminal capable of sharing images and a method for controlling the user terminal are disclosed. The user terminal can include: a position image generation unit configured to generate a position image corresponding to a position of a touch means when the touch means is touching a display unit or is near the display unit; and a sensing unit configured to sense at least one of a touch pressure and a touch area of the touch means, where the position image is changed according to at least one of the touch pressure and the touch area of the touch means sensed by the sensing unit. Certain embodiments of the invention provide the advantages of enabling a user terminal and a different type of terminal to share images and minimizing touch errors on a touch interface.

Abstract: An image sharing system and a user terminal for the system are disclosed. The user terminal can include: a display unit configured to display an image; a sensing unit configured to sense a position of a touch means near the display unit; and an image information transmitting unit configured to transmit image information, which relates to an image displayed on the display unit, and position information, which relates to a position of the touch means near the display unit, to a receiving terminal, where an image corresponding to the image information and an image indicating a position of the nearby touch means are displayed on the receiving terminal. Certain embodiments of the invention provide the advantages of enabling image sharing between a user terminal and a different type of terminal and enabling a user to manipulate the user terminal while viewing another terminal.

Abstract: A system for linking and controlling terminals is disclosed. The user terminal includes a decoding unit configured to decode image data received from a receiving terminal; a touch display unit configured to display the decoded image; and an information transmitting unit configured to transmit selection information for an event-executing entity included in the decoded image to the receiving terminal.

Abstract: A data equalizing circuit includes an equalizer configured to control a gain of data according to a value of a control code and output a controller gain; and a detection unit configured to divide n cycles of the data into N periods, count data transition frequencies for n/N periods while changing the value of the control code, calculate dispersion values of data transition frequencies for 1/N periods of the data from the data transition frequencies for the n/N periods, and finally output the value of the control code corresponding to a largest dispersion value, wherein n is equal to or greater than 2 and is set such that boundaries of the respective n/N periods of the data have different positions in the 1 UI data.

Abstract: A data equalizing circuit includes an equalizer configured to control a gain of data according to a value of a control code and output a controller gain; and a detection unit configured to divide n cycles of the data into N periods, count data transition frequencies for n/N periods while changing the value of the control code, calculate dispersion values of data transition frequencies for 1/N periods of the data from the data transition frequencies for the n/N periods, and finally output the value of the control code corresponding to a largest dispersion value, wherein n is equal to or greater than 2 and is set such that boundaries of the respective n/N periods of the data have different positions in the 1 UI data.

Abstract: A data equalizing circuit includes an equalizer configured to output data according to a control code; and a detection unit configured to divide the data into N number of calculation periods, count data transition frequencies for the N calculation periods, calculate dispersion values of the data transition frequencies for the N calculation periods, and output the control code corresponding to a largest dispersion value, in response to a counting interruption signal and a counting completion signal, wherein n is equal to or greater than 2, N is greater than n, and the data is divided to n number of unit intervals (UI), and wherein a phase shift of each of the calculation periods with respect to its corresponding UI is different from a phase shift of any of the other calculation periods with respect to its corresponding UI.

Abstract: Provided are a direct current/direct current (DC/DC) converter and a wireless power receiver including the DC/DC converter. In one embodiment, a direct current-direct current (DC/DC) converter for use in a wireless power receiver, the DC/DC converter may include: a voltage converting unit configured to convert, DC voltage, to a predetermined DC voltage; a turn-on switch configured to control current flow of the DC voltage through the voltage converting unit; and a switching controller configured to: detect an amount of current of the voltage converting unit based on a first turn-on period of the turn-on switch, set a second turn-on period of the turn-on switch based on the detected amount of current, and control the turn-on switch based on the second turn-on period.

Abstract: A dual mode satellite signal receiver capable of supporting at least two global navigation satellite systems and a satellite signal receiving method are provided. The dual mode satellite signal receiver comprises a frequency synthesizer for generating a local oscillator signal based on a reference frequency; a mixer for mixing the local oscillator signal with a satellite signal and outputting the mixed signal as a signal of an intermediate frequency band; a first filter for filtering the signal output from the mixer to reject an image signal and output only an actual signal; a second filter for filtering the actual signal to output only a predetermined bandwidth according to a positioning mode; and an amplifier for amplifying the second filter output signal to a predetermined level and outputting the amplified signal.

Abstract: There is provided a power factor correction circuit capable of correcting a power factor of a power converting module through increasing an input current by switching a main switching element of a power converting module on the basis of a first reference wave having a slope based on a first signal and an error voltage, in particular, by limiting a switching frequency on the basis of a first reference wave having a slope based on a second signal lower than a first signal and an error voltage when the switching frequency of the main switching element increases because an input voltage of the power converting module is low.