Patent application number | Description | Published |
20080304334 | SYNCHRONOUS SEMICONDUCTOR MEMORY DEVICE HAVING ON-DIE TERMINATION CIRCUIT AND ON-DIE TERMINATION METHOD - A synchronous semiconductor memory device having an on-die termination (ODT) circuit, and an ODT method, satisfy ODT DC and AC parameter specifications and perform an adaptive impedance matching through an external or internal control, by executing an ODT operation synchronized to an external clock. The synchronous semiconductor memory device having a data output circuit for performing a data output operation synchronously to the external clock includes the ODT circuit for generating ODT up and down signals having the same timing as data output up and down signals for the data output operation, to perform the ODT operation. | 12-11-2008 |
20090059680 | Integrated Circuit Memory Devices That Support Selective Mode Register Set Commands - A memory module may include a plurality of memory devices coupled to a memory controller over a same command/address bus. Methods of controlling such a memory module may include providing a mode register set command from the memory controller to each of the integrated circuit memory devices over the command/address bus during a mode register set operation. A disable signal may be provided from the memory controller to a first one of the integrated circuit memory devices over a signal line between the memory controller and the first integrated circuit memory device to thereby disable implementation of the mode register set command for the first integrated circuit memory device during the mode register set operation. An enable signal may be provided from the memory controller to a second one of the integrated circuit memory devices over a signal line between the memory controller and the second integrated circuit memory device to thereby enable implementation of the mode register set command for the second integrated circuit memory device during the mode register set operation. Moreover, the disable signal may not be provided to the second integrated circuit memory device during the mode register set operation, and the enable signal may not be provided to the first integrated circuit memory device during the mode register set operation. Related systems, devices and additional methods are also discussed. | 03-05-2009 |
20100054053 | Integrated Circuit Memory Devices Including Mode Registers Set Using A Data Input/Output Bus - An integrated circuit memory device may include a memory cell array and a plurality of data input/output pins. The plurality of data input/output pins may be configured to receive data from a memory controller to be written to the memory cell array during a data write operation, and the data input/output pins may be further configured to provide data to the memory controller from the memory cell array during a data read operation. A mode register may be configured to store information defining an operational characteristic of the memory device, and the mode register may be configured to be set using the data input/output bus. Related methods, systems, and additional devices are also discussed. | 03-04-2010 |
20100329040 | DATA ALIGNMENT CIRCUIT AND METHOD OF SEMICONDUCTOR MEMORY APPARATUS - A data alignment circuit of a semiconductor memory apparatus includes: a data strobe clock phase control block configured to control a phase of a data strobe clock signal in response to a strobe delay code and generate a delayed strobe clock signal; a plurality of data phase control blocks configured to control phases of input data in response to data delay codes and generate delayed data; a plurality of data alignment blocks configured to latch the delayed data in response to the delayed strobe clock signal and generate latched data and aligned data; and a delay code generation block configured to perform an operation of determining phases of the latched data and generate the strobe delay code and the data delay codes. | 12-30-2010 |
20110141841 | SYNCHRONOUS SEMICONDUCTOR MEMORY DEVICE HAVING ON-DIE TERMINATION CIRCUIT AND ON-DIE TERMINATION METHOD - A synchronous semiconductor memory device having an on-die termination (ODT) circuit, and an ODT method, satisfy ODT DC and AC parameter specifications and perform an adaptive impedance matching through an external or internal control, by executing an ODT operation synchronized to an external clock. The synchronous semiconductor memory device having a data output circuit for performing a data output operation synchronously to the external clock includes the ODT circuit for generating ODT up and down signals having the same timing as data output up and down signals for the data output operation, to perform the ODT operation. | 06-16-2011 |
20120087160 | POWER FACTOR CORRECTION CIRCUIT - 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. | 04-12-2012 |
20120155133 | DIRECT CURRENT/ DIRECT CURRENT CONVERTER FOR REDUCING SWITCHING LOSS, WIRELESS POWER RECEIVER INCLUDING DIRECT CURRENT/ DIRECT CURRENT CONVERTER - 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. | 06-21-2012 |
20130127525 | IC CIRCUIT - The present invention relates to an IC circuit. In an embodiment, an IC circuit includes: an RT terminal connected to an external; a current mirroring unit conducting a channel current between internal voltage power and the RT terminal and generating an internal reference current mirrored with the channel current; a negative feedback unit receiving the internal reference current, equalizing voltages of an RT terminal connection terminal and an internal reference current output terminal of the current mirroring unit to make the internal reference current constant, and providing the internal reference current inside the IC circuit; and an IC state indicating unit having a transistor, which operates complementarily with the current mirroring unit, connected between the RT terminal and a ground and providing the state of an IC or a system to the RT terminal by being linked with the complementary operation of the current mirroring unit. | 05-23-2013 |
20130170536 | DATA EQUALIZING CIRCUIT AND DATA EQUALIZING METHOD - 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 | 07-04-2013 |
20130170537 | DATA EQUALIZING CIRCUIT AND DATA EQUALIZING METHOD - 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. | 07-04-2013 |
20130234959 | SYSTEM AND METHOD FOR LINKING AND CONTROLLING TERMINALS - 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. | 09-12-2013 |
20130234983 | SYSTEM FOR LINKING AND CONTROLLING TERMINALS AND USER TERMINAL USED IN THE SAME - A system for linking and controlling terminals includes a user terminal that includes an image unit configured to output image data to be shared with a receiving terminal larger than the user terminal, and a signal unit configured to transmit an image signal and a control signal to the receiving terminal, the image signal having the image data outputted from the image unit, and the control signal including position information of a touch means near the user terminal. An image representing the position information of the touch means is displayed on the receiving terminal to enable a control of the user terminal by way of the receiving terminal viewed by a user of the user terminal. | 09-12-2013 |
20130234984 | SYSTEM FOR LINKING AND CONTROLLING TERMINALS AND USER TERMINAL USED IN THE SAME - 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. | 09-12-2013 |
20130241854 | IMAGE SHARING SYSTEM AND USER TERMINAL FOR THE SYSTEM - 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. | 09-19-2013 |
20130244730 | USER TERMINAL CAPABLE OF SHARING IMAGE AND METHOD FOR CONTROLLING THE SAME - 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. | 09-19-2013 |
20140015331 | APPARATUS AND METHOD FOR WIRELESS POWER RECEPTION - 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. | 01-16-2014 |
20140062612 | SIGNAL TRANSMISSION CIRCUIT HAVING CROSSTALK CANCELLATION UNIT - 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. | 03-06-2014 |
20140125622 | SYSTEM FOR LINKING AND CONTROLLING TERMINALS AND USER TERMINAL USED IN THE SAME - 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. | 05-08-2014 |
20140152251 | APPARATUS AND METHOD FOR CHARGE CONTROL IN WIRELESS CHARGING SYSTEM - 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. | 06-05-2014 |
20140176089 | PHASE SHIFT CIRCUIT AND POWER FACTOR CORRECTION CIRCUIT INCLUDING THE SAME - There are provided a phase shift circuit and a power factor correction circuit including the same. The phase shift circuit includes a ramp generation unit charging or discharging a capacitor connected to a switch device to generate a ramp signal, a reference signal generation unit generating a predetermined reference signal from the ramp signal, and a comparison unit comparing the ramp signal with the reference signal to generate a clock signal, wherein at least one of the reference signal generation unit and the comparison unit changes a negative or positive value of offset components included in the reference signal or the ramp signal within every operating period of the switch device. | 06-26-2014 |
20140176260 | SIGNAL TRANSMISSION CIRCUIT - 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. | 06-26-2014 |
20140177295 | PHASE SHIFT CIRCUIT AND POWER FACTOR CORRECTION CIRCUIT INCLUDING THE SAME - 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. | 06-26-2014 |
20140181739 | METHOD OF ADJUSTING AN UI AND USER TERMINAL USING THE SAME - 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. | 06-26-2014 |
20140185339 | POWER FACTOR CORRECTION CIRCUIT - 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. | 07-03-2014 |