Patent application number | Description | Published |
20090308668 | Walking robot and method of controlling the same - Disclosed are a walking robot and a method of controlling the same, in which impedance control and torso tilt control are achieved complementarily such that impedance can be adjusted according to the tilt of a torso or the tilt of the torso can be adjusted according to the impedance. The method includes measuring a moment of a foot; measuring a tilt of a torso; adjusting the scale of the measured moment based on the tilt of the torso, and controlling the foot based on the scale-adjusted moment; and adjusting the scale of the measured tilt based on a ZMP variation amount of the foot, and controlling the tilt of the torso based on the scale-adjusted ZMP variation amount. | 12-17-2009 |
20090319082 | ROBOT AND METHOD OF CONTROLLING WALKING THEREOF - A method of controlling walking a biped robot to generate a walking pattern maximally similar to that of a human includes generating a walking pattern, calculating a walking pattern similarity corresponding to the walking pattern, and comparing the walking pattern similarity with a predetermined reference pattern similarity, and changing the walking pattern based on a result of the comparison. When the robot walks, a knee is maximally stretched and a horizontal movement of a waist is minimized such that the walking pattern of the robot is maximally similar to that of a human, thus enhancing an affinity for a human being and increasing energy efficiency. | 12-24-2009 |
20120143372 | ROBOT AND METHOD FOR PLANNING PATH OF THE SAME - A robot and a method for planning a path of the robot. The method includes storing coordinates of a base cell in a queue structure, setting a plurality of cells adjacent to the base cell as scan cells, calculating a movement direction of the robot from the base cell to each of the scan cells, calculating movement cost of each of the scan cells according to the calculated movement direction, comparing the calculated movement cost and movement cost previously stored in each of the scan cells and determining whether or not coordinates of each of the scan cells are stored in the queue structure, and repeatedly performing a process of recording the movement direction and the movement cost in each of the scan cells and building a map of the movement space of the robot if the coordinates of each of the scan cells are stored in the queue structure. | 06-07-2012 |
20130175956 | APPARATUS AND METHOD TO CONTROL BLDC MOTOR - An apparatus and method to control a brushless direct current (BLDC) motor, which accurately detect driving current. To this end, the BLDC motor control apparatus includes a BLDC motor, a driver to generate driving current to drive the BLDC motor, a current measurer to measure the driving current, a pulse width modulator to change a driving voltage to drive the BLDG motor; and a controller to control the BLDC motor. The controller detects the amount of the driving current in synchronization with pulse width modulation of the pulse width modulator and determines current with a minimum change due to a variation of counter electromotive force, among currents flowing through a plurality of coils, as the driving current, thereby accurately detecting the driving current. | 07-11-2013 |
20130178868 | SURGICAL ROBOT AND METHOD FOR CONTROLLING THE SAME - A surgical robot includes a console and a manipulator assembly. The manipulator assembly includes at least one arm having a plurality of links and a motor provided between links adjacent to each other among the plurality of links, and a control unit configured to determine whether a mode is changed between a tele-operation mode and a manual mode. The control unit sets output data of the motor provided before the mode is changed as input data of the motor provided after the mode is changed, if it is determined that the mode is changed between the tele-operation mode and the manual mode, thereby preventing the vibration and the rapid change of the posture from occurring at the arm of the surgical robot during the change of the mode between the manual mode and the tele-operation mode, thereby increasing stability of the surgical robot. | 07-11-2013 |
20150088269 | WEARABLE ROBOTS AND CONTROL METHODS THEREOF - A wearable robot may comprise: a robot unit including machinery configured to assist a wearer's muscular strength; at least one first sensor provided on the wearer's knees and configured to detect the wearer's motion of pressing the wearer's knees; and/or a controller configured to judge whether or not the wearer intends to stand up based on information detected using the at least one first sensor, and configured to transmit a control signal to assist corresponding muscular strength to the robot unit upon judging that the wearer intends to stand up. | 03-26-2015 |
Patent application number | Description | Published |
20100287441 | SIGNAL SEGMENTATION METHOD AND CRC ATTACHMENT METHOD FOR REDUCING UNDETECTED ERROR - The present invention provides for applying a cyclic redundancy check (CRC) to a data signal. The present invention includes attaching a first CRC to a first data signal block having a first length, segmenting the first data signal block attached with the first CRC into a plurality of second data signal blocks having a length shorter than the first length, respectively generating a second CRC for each second data signal block, and attaching the generated second CRC to the respective second data signal block. Moreover, the first CRC and second CRC may be generated from respectively different CRC generating polynomial equations. | 11-11-2010 |
20110154154 | SIGNAL SEGMENTATION METHOD AND CRC ATTACHMENT METHOD FOR REDUCING UNDETECTED ERROR - The present invention provides for applying a cyclic redundancy check (CRC) to a data signal. The present invention includes attaching a first CRC to a first data signal block having a first length, segmenting the first data signal block attached with the first CRC into a plurality of second data signal blocks having a length shorter than the first length, respectively generating a second CRC for each second data signal block, and attaching the generated second CRC to the respective second data signal block. Moreover, the first CRC and second CRC may be generated from respectively different CRC generating polynomial equations. | 06-23-2011 |
20140304574 | SIGNAL SEGMENTATION METHOD AND CRC ATTACHMENT METHOD FOR REDUCING UNDETECTED ERROR - The present invention provides for applying a cyclic redundancy check (CRC) to a data signal. The present invention includes attaching a first CRC to a first data signal block having a first length, segmenting the first data signal block attached with the first CRC into a plurality of second data signal blocks having a length shorter than the first length, respectively generating a second CRC for each second data signal block, and attaching the generated second CRC to the respective second data signal block. Moreover, the first CRC and second CRC may be generated from respectively different CRC generating polynomial equations. | 10-09-2014 |
Patent application number | Description | Published |
20090285742 | Method of preparing zinc silicate-based phosphor and zinc silicate-based phosphor prepared using the method - Provided are a method of preparing a zinc silicate-based phosphor and a zinc silicate-based phosphor prepared using the method. The method includes: (a) preparing a solution including a Zn precursor compound and a Si precursor compound; (b) adding a coprecipitant to the solution to form precipitation; and (c) heat treating the solution in which the precipitation is formed to synthesize zinc silicate (Zn | 11-19-2009 |
20140144902 | ELECTRONIC INDUCTION HEATING COOKER AND DRIVING METHOD THEREOF - An induction heating cooker is provided. The induction heating cooker may include a rectifier to rectify an input voltage into a direct current (DC) voltage and output the DC voltage, an inverter to generate an alternating current (AC) voltage by switching the DC voltage, a first heater driven by the AC voltage so as to heat a first cooking container, a second heater connected in parallel to the first heater, and driven by the AC voltage so as to heat a second cooking container, and a switching controller configured to output a switching signal to the inverter for controlling the first and second heaters in accordance with a selected operation mode. The selected operation mode may be a first operation mode for driving only the first heater, a second operation mode for driving only the second heater, or a third operation mode for driving both the first and second heaters at the same time. | 05-29-2014 |
20140151365 | ELECTRONIC INDUCTION HEATING COOKER AND OUTPUT LEVEL CONTROL METHOD THEREOF - An electronic induction heating cooker is provided. The electronic induction heating cooker may include a rectifier that rectifies an input voltage into a direct current (DC) voltage and output the DC voltage, an inverter including first, second and third switches connected in series between a positive power source terminal and a negative power source terminal to generate an alternating current (AC) voltage by switching the DC voltage, a first heater driven by the AC voltage so as to heat a first cooking container, a second heater connected in parallel to the first heater and driven by the AC voltage so as to heat a second cooking container, and a switching controller that generates a switching signal for controlling the first and second heaters in accordance with a set of operating conditions input thereto and adjusts a duty cycle of the switching signal. | 06-05-2014 |
20140183182 | INDUCTION HEAT COOKING APPARATUS AND METHOD FOR CONTROLLING OUTPUT LEVEL THEREOF - Provided is an induction heat cooking apparatus. The induction heat cooking apparatus includes a rectifying part rectifying an input voltage to output a DC voltage; an inverter switching the DC voltage outputted through the rectifying part to generate an AC voltage; a first heating part operated by the AC voltage applied from the inverter; a second heating part connected to the first heating part in parallel, the second heating part being operated by the AC voltage applied from the inverter; and a switching signal generation part controlling an operation state of each of the first and second heating parts from the inverter according to an operation mode inputted from the outside. The switching signal generation part includes a pulse transformer. | 07-03-2014 |
20140183183 | INDUCTION HEAT COOKING APPARATUS AND METHOD FOR CONTROLLING OUTPUT LEVEL THEREOF - Provided is an induction heat cooking apparatus. The induction heat cooking apparatus includes a rectifying part rectifying an input voltage to output a DC voltage, an inverter switching the DC voltage outputted through the rectifying part to generate an AC voltage, a first heating part operated by the AC voltage applied from the inverter, a second heating part connected to the first heating part in parallel, the second heating part being operated by the AC voltage applied from the inverter, and a switching signal generation part controlling an operation state of each of the first and second heating parts from the inverter according to an operation mode inputted from the outside. The switching signal generation part includes an inverter driver including a bootstrap circuit. | 07-03-2014 |
20140183184 | INDUCTION HEAT COOKING APPARATUS AND METHOD FOR CONTROLLING OUTPUT LEVEL THEREOF - Provided is an induction heat cooking apparatus. The induction heat cooking apparatus includes a rectifying part rectifying an input voltage to output a DC voltage, an inverter switching the DC voltage outputted through the rectifying part to generate an AC voltage, a first heating part operated by the AC voltage applied from the inverter, a second heating part connected to the first heating part in parallel, the second heating part being operated by the AC voltage applied from the inverter, and a switching signal generation part controlling an operation state of each of the first and second heating parts from the inverter according to an operation mode inputted from the outside. The switching signal generation part includes a photo coupler. | 07-03-2014 |
Patent application number | Description | Published |
20120005569 | MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME - A mobile terminal and a method for controlling the same are disclosed. According to one embodiment, the mobile terminal and method for controlling the same are capable of adjusting the magnification of a web page being displayed on a web browser to an optimal level or assigning an access key to a link so as to provide a more convenient web browsing environment. | 01-05-2012 |
20120017159 | MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME - A mobile terminal and a method for controlling the same are disclosed. The mobile terminal may include a wireless communication interface for retrieving web content, a display for displaying a web browser that includes at least one input windows, an input device that receives an input string for input in the at least one input window, and a controller configured to adjust a display of the input string input to fully display the input string. The controller may determine a length of the at least one input window and the input string. If the length of the input string is greater than the length of the at least one input window, the controller may increase the length of the at least one input window or generate a display of the input string in an area outside of the selected input window. | 01-19-2012 |
20130063373 | MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal and controlling method thereof are disclosed. According to the present invention, after a search for informations related to an inputted search word have been performed, while the found informations are displayed, partial informations respectively representing the displayed informations by including the search word are extracted from the displayed informations. Finally, the extracted informations are enlarged and displayed as a list. | 03-14-2013 |
20130145313 | MOBILE TERMINAL AND MULTITASKING METHOD THEREOF - Disclosed are a mobile terminal and a multitasking method thereof. In a state where a plurality of layers corresponding to a plurality of applications are displayed on a screen, a user performs an operation through an uppermost application. In this case, a search region of a preset shape through which a lower application can be directly visible is created on the uppermost application. This can allow the user to more rapidly and conveniently search for or select information provided from the lower application, and to apply the information to multitasking. | 06-06-2013 |
20130283144 | MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal and controlling method thereof are disclosed, which facilitates a terminal to be used in further consideration of user's convenience. The present invention includes a touchscreen, a wireless communication unit configured to perform a wireless communication with at least one or more external terminals including a 1 | 10-24-2013 |
20140026051 | MOBILE TERMINAL AND METHOD FOR CONTROLLING OF THE SAME - A mobile terminal is disclosed. The mobile terminal recognizes at least one object from video contents including at least one object and displays an object progress bar capable of independently controlling frames including a recognized object. Also, by manipulating the object progress bar according to a predetermined pattern, frames including an object corresponding to the object progress bar from among the whole frames of the video contents can be edited and stored more easily. | 01-23-2014 |
20140068477 | MOBILE TERMINAL AND APPLICATION ICON MOVING METHOD THEREOF - A mobile terminal and an application icon moving method thereof are provided. When a predetermined application icon is selected from a menu screen including a plurality of application icons and moved to a control region, a default home screen or the whole home screen stored in a memory may be selectively displayed according to a moved position of the corresponding icon, and also an icon-insertable position may be visually guided on the displayed home screen. This may allow a user to execute the movement of the application icon in an easy, convenient manner. | 03-06-2014 |
20140222915 | SNS CONTENTS INTEGRATED MANAGEMENT METHOD AND TERMINAL FOR A PLURALITY OF SNS CHANNELS - Provided is a terminal. A terminal includes: a memory storing media contents uploadable into a plurality of SNS channels; and a control unit updating arbitrary media contents stored in the memory into the plurality of SNS channels, categorizing each media contents and information on each SNS channel into which corresponding media contents are uploaded and integrally managing the categorized media contents and information, writing a comment on an SNS channel into which each corresponding media contents are uploaded by each media contents on a designated menu screen, and displaying a response to corresponding media contents. | 08-07-2014 |
20150015690 | ELECTRONIC DEVICE AND CONTROL METHOD THEREOF - An electronic device and a control method thereof are disclosed. The electronic device includes: a touch screen; a camera; a microphone; and a controller configured to display the execution screen of a predetermined application on the touch screen, control the camera and the microphone to operate upon entering reaction capture mode, acquire a reaction image by capturing a video or still image of a user through the camera upon detecting the user making a facial expression or gesture through the camera or the user's voice through the microphone, and display the acquired reaction image on the touch screen. Accordingly, an image of the user seeing a predetermined screen running on the touch screen can be capture and displayed on the touch screen. | 01-15-2015 |
Patent application number | Description | Published |
20110241624 | HYSTERESIS SWITCH AND ELECTRICITY CHARGING MODULE USING THE SAME - An electricity charging module using a hysteresis switch includes a storage capacitor that preliminarily stores electrical energy supplied from an external power source, a charging unit for preventing over-charging or over-discharging through monitoring of the charging state of the rechargeable battery, and a hysteresis switch that has a larger turn-on voltage level than the turn-off voltage level, and located between the storage capacitor and the charging unit, thereby electrically connecting or disconnecting the storage capacitor with the charging unit. The hysteresis switch includes a first voltage dividing resistor pair that divides the voltage of an external power source by the resistance ratio of the first voltage dividing resistor pair, a second voltage dividing resistor pair whose one end is connected to a positive electrode terminal of the external power source, a first switching device whose control terminal is connected to the junction of the voltage dividing resistors of the second voltage dividing resistor pair, a second switching device whose control terminal is connected to the junction of the voltage dividing resistors of the first voltage dividing resistor pair, and a resistor that is connected to the junction between the first electrode terminal of the second switching device and the junction of the voltage dividing resistors of the first voltage dividing resistor pair. | 10-06-2011 |
20110242863 | PATCH ANTENNA AND RECTENNA USING THE SAME - A patch antenna for receiving high frequency wireless signal and a rectenna using the same, more particularly, an impedance-matched patch antenna adopting a slot capacitive coupling structure and a rectenna capable of generating electrical energy from the wireless signals having different frequency band. A rectenna for receiving an A.C. wireless signal carrying electrical energy and converting the wireless signal into a D.C. electrical energy, is comprised of: a patch antenna for receiving the wireless signal comprising an dielectric substrate, a patch that is formed at the upper area of the surface of the dielectric substrate and providing the first frequency response characteristics, a ground plane formed on the other surface of the dielectric substrate, and an impedance matching means providing the second frequency response characteristics; and a rectifying unit that converts the wireless signal, received via the patch antenna, into a D.C. electrical energy by rectifying the wireless signal. | 10-06-2011 |
20140045425 | NEAR FIELD COMMUNICATION CIRCUIT AND OPERATING METHOD OF THE SAME - The near field communication (NFC) circuit includes an NFC reader circuit configured to communicate with an outside through an antenna, a resonant and matching circuit connected between the NFC reader circuit and the antenna, an NFC card circuit connected to nodes and configured to communicate with the outside through the antenna, and a processor configured to output a plurality of control signals when the NFC reader circuit is enabled, wherein the NFC card circuit is configured to control a resonant frequency of the antenna in response to the plurality of control signals. | 02-13-2014 |
20140209680 | APPARATUS AND METHOD FOR RADIO FREQUENCY TRANSMISSION - A radio frequency (RF) transmission circuit includes an antenna connection terminal, a plurality of amplifiers connected to the antenna connection terminal in parallel, a plurality of drivers for driving the plurality of amplifiers, and a control circuit configured to control operation of the plurality of drivers based on information indicating a characteristic of a RF signal to be transmitted through the antenna connection terminal. | 07-31-2014 |
Patent application number | Description | Published |
20110058053 | MOBILE TERMINAL WITH MULTIPLE CAMERAS AND METHOD FOR IMAGE PROCESSING USING THE SAME - A mobile terminal includes: a first camera; a second camera; an image processor to process first image data generated by the first camera according to an interface format of a host processor; and a concurrent driver to process second image data generated by the second camera according to an output format of the image processor and to buffer the processed second image data to the host processor. A method for image processing of a mobile terminal includes, if both the first and second cameras operate in an ON state, the image processor processing the first image data of the first camera according to the interface format of the host processor, and the concurrent driver operating in an active mode to process the second image data of the second camera according to the output format of the image processor and buffering the arranged images to the host processor. | 03-10-2011 |
20120034885 | BROADCASTING SYSTEM AND METHOD USING HUMAN BODY COMMUNICATION - A transmitter includes a human body communication unit to detect an available broadcast channel; a channel setting unit to set the available broadcast channel to be connected; a broadcast data processing unit to generate a broadcast signal to be transmitted via the human body communication unit. A receiver includes a human body communication unit to receive broadcast signal; a channel setting unit to retrieve the broadcast channel to be connected; a broadcast processing unit to control the human body communication unit to receive the broadcast signal; and a broadcast data processing unit to generate broadcast data. A method for transmitting a broadcast signal includes detecting and setting the available broadcast channel to be connected; generating the broadcast signal; and broadcasting the broadcast signal via the broadcast channel. A method for receiving broadcast signal includes receiving, retrieving, and setting the broadcast channel; receiving the broadcast signal; and generating broadcast data. | 02-09-2012 |
20130222636 | MOBILE TERMINAL WITH MULTIPLE CAMERAS AND METHOD FOR IMAGE PROCESSING USING THE SAME - A mobile terminal includes: a first camera; a second camera; an image processor to process first image data generated by the first camera according to an interface format of a host processor; and a concurrent driver to process second image data generated by the second camera according to an output format of the image processor and to buffer the processed second image data to the host processor. A method for image processing of a mobile terminal includes, if both the first and second cameras operate in an ON state, the image processor processing the first image data of the first camera according to the interface format of the host processor, and the concurrent driver operating in an active mode to process the second image data of the second camera according to the output format of the image processor and buffering the arranged images to the host processor. | 08-29-2013 |
20140023223 | BODY INCLUDING A RECEIVING UNIT FOR A SPEAKER, AND A TERMINAL INCLUDING THE BODY - Provided is a terminal including: a speaker; a body including a receiving unit to receive the speaker; a cover disposed over the receiving unit to cover the speaker, and a space disposed between the speaker and the cover. | 01-23-2014 |
Patent application number | Description | Published |
20140029298 | OPTICAL MEMBER AND DISPLAY DEVICE INCLUDING THE SAME - Disclosed are an optical member and a display device including the same. The optical member includes a receiving member; a host in the receiving member; and a plurality of wavelength conversion particles distributed in the host. The receiving member includes a light incident part having a first refractive index; and a light exit part having a second refractive index different from the first refractive index. The optical member improves the optical characteristics by adjusting the refractive indexes of the light incident part and the light exit part. | 01-30-2014 |
20140029299 | OPTICAL MEMBER, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD FOR MANUFACTURING THE SAME - Disclosed are an optical member, a display device having the same and a method of fabricating the same. The optical member includes a host; a plurality of light conversion particles dispersed in the host to convert a wavelength of light generated from a light source; and a protective layer surrounding the host and including plastic. | 01-30-2014 |
20140043790 | NANOPARTICLE COMPLEX, LIGHT CONVERSION MEMBER AND DISPLAY DEVICE HAVING THE SAME, AND METHOD FOR FABRICATING THE SAME - Disclosed are a light conversion member, a display device including the same, and a method for fabricating the same. The light conversion member includes a host, a plurality of light conversion particles in the host, and a ferroelectric material in the host. | 02-13-2014 |
20140133129 | OPTICAL MEMBER, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF FABRICATING THE SAME - Disclosed are an optical member, a display device having the same, and a method of fabricating the same. The optical member includes a receiving part having an empty space therein, a host in the receiving part, a plurality of wavelength conversion particles in the host, a sealing part in the receiving part, and a pre-treatment layer between the sealing part and an inner surface of the receiving part. | 05-15-2014 |
Patent application number | Description | Published |
20090310408 | Memory system and method of accessing a semiconductor memory device - A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed. | 12-17-2009 |
20100268869 | MEMORY SYSTEM COMPRISING NONVOLATILE MEMORY DEVICE AND CONTROLLER - A memory system comprises a nonvolatile memory device and a controller. The controller comprises a working memory and is configured to control the nonvolatile memory device. The nonvolatile memory device is configured to store drive data required to access the nonvolatile memory device. When an initialization operation of the memory system is performed, the controller activates an operation standby signal after loading a portion of the drive data stored in the nonvolatile memory device into the working memory. | 10-21-2010 |
20110099325 | USER DEVICE AND MAPPING DATA MANAGEMENT METHOD THEREOF - In the mapping data management method, data that is being used by a host is stored in response to a power-off command from a user. The host generates a power-off notification signal to a storage device. The storage device stores mapping data of a volatile memory in a nonvolatile memory in response to the power-off notification signal. | 04-28-2011 |
20110299335 | Memory system and method of accessing a semiconductor memory device - A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed. | 12-08-2011 |
20110299338 | Memory system and method of accessing a semiconductor memory device - A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed. | 12-08-2011 |
20110302352 | Memory system and method of accessing a semiconductor memory device - A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed. | 12-08-2011 |
20110302468 | Memory system and method of accessing a semiconductor memory device - A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed. | 12-08-2011 |
20110302476 | Memory system and method of accessing a semiconductor memory device - A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed. | 12-08-2011 |
20110307646 | Memory system and method of accessing a semiconductor memory device - A memory system is provided with a processor, a main memory, and a flash memory. Performance of the memory system is improved through achievement of speed-up and high data reliability. The memory system includes a nonvolatile memory device and a controller configured to drive a control program to control the nonvolatile memory device. The control program executes a second access operation for the nonvolatile memory device even before a first access operation to the nonvolatile memory device is completed. | 12-15-2011 |
20130055012 | DATA MANAGEMENT METHOD OF IMPROVING DATA RELIABILITY AND DATA STORAGE DEVICE - A data storage device and a method of managing data in the data storage device to improve data reliability are provided. In the method of managing data, one of control management information about a memory block of nonvolatile memory in which data will be written and control management information about the data are received. A redundant array of independent disks (RAID) parity page ratio is determined according to the control management information. When a data write operation mode is performed, parity data is written in a parity page of the memory block according the RAID parity page ratio. According to some embodiments of the inventive concepts, since a RAID parity page ratio is selectively determined according to control management information, reliability of data is secured or increased. | 02-28-2013 |
Patent application number | Description | Published |
20090271810 | OPTICAL DISK APPARATUS - Provided is an optical disk apparatus in which an interlocking slider engaged with a main slider directly drive an eject lever and a boss for performing a disk chucking operation. The optical disk apparatus includes a housing having a slot to receive a disk, a main unit having a turn table to rotate the disk, the main slider configured to move in first and second directions corresponding to insertion and ejection of the disk, the eject lever configured to eject the disk inserted into the housing through the slot, and the interlocking slider. | 10-29-2009 |
20120102508 | DISK DRIVE INCLUDING A NOISE REDUCTION UNIT AND METHOD OF REDUCING NOISE BY USING THE DISK DRIVE - A disk drive that includes a noise reduction unit, and a method of reducing noise by using the disk drive. The disk drive includes a main chassis; a tray operatively coupled to the main chassis such that the tray is slidable relative to the main chassis, the tray including a disk accommodation portion configured to accommodate a storage medium such that the storage medium is rotatable relative to the disk accommodation portion; and a noise reduction unit configured to reduce a pressure concentration on an end portion of the storage medium as the storage medium rotates to reduce noise. | 04-26-2012 |
20120174129 | OPTICAL DISC DRIVE - An optical disc drive including a housing, a tray that is installed in the housing and that is configured to receive an optical disc, which has a spoke region on a surface thereof, an optical pickup unit which is attached to the tray, a main circuit board which is installed on the tray and is operatively connected to the optical pickup unit, and a spoke sensor which is arranged on the main circuit board and corresponds to the spoke region of the optical disk. | 07-05-2012 |
20120174132 | OPTICAL DISC DRIVE - An optical disk drive including: a housing; a tray installed in the housing; an optical pickup unit mounted in the tray; and a guide shaft mounted in the tray such that the optical pickup unit and the guide shaft are configured such that the optical pickup unit is reciprocally movable along the guide shaft. | 07-05-2012 |
20120174135 | OPTICAL DEVICE - An optical device is provided including a tray body linearly moving and loading an optical disk. A case guide is configured to guide the linear movement of the tray body. A damper is interposed between the tray body and the case guide to attenuate vibration of the tray body. | 07-05-2012 |
20120297402 | COVER FOR AN OPTICAL DISC DRIVE AND OPTICAL DISC DRIVE HAVING THE SAME - A cover for an optical disc drive. The cover includes: a body having a top portion that is configured to cover a disc if the disc is inserted into the optical disc drive, and a pressure structure formed on the body and having an asymmetrical shape. | 11-22-2012 |
Patent application number | Description | Published |
20120289267 | METHOD FOR INTERFERENCE ALIGNMENT IN WIRELESS NETWORK - A method for interference alignment in wireless network having 3 transmitters and 3 receivers which are equipped with M antennas is provided. The method comprising: transmitting, performed by each of the 3 transmitters, a pilot signal known to the 3 receivers; estimating, performed by each of the 3 receivers, each channel from transmitter; transmitting, performed by each of the 3 receivers, feedback information to target transmitter; and determining, performed by transmitter 2 and transmitter 3, a precoding vector; wherein a degree of freedom(DoF) of a transmitter 1 is (M/2−α), a DoF of the transmitter 2 or the transmitter 3 is M/2. | 11-15-2012 |
20120302280 | POWER CONTROL METHOD FOR INTERFERENCE ALIGNMENT IN WIRELESS NETWORK - A power control method for interference alignment in wireless network having K transmitters and K receivers is provided. The method comprising: receiving, performed by receiver n (n is an integer, 1≦n≦K−1), a power indication signal of transmitter n+1 from the transmitter n+1; determining, performed by the receiver n, power of transmitter n; and transmitting, performed by the receiver n, a power indication signal of transmitter n to the transmitter n, wherein the power of transmitter n is determined based on a residual interference of the receiver n, and the power indication signal of transmitter n indicates a minimum transmission power or a maximum transmission power of transmitter n. | 11-29-2012 |
20120307929 | FEEDBACK METHOD FOR INTERFERENCE ALIGNMENT IN WIRELESS NETWORK - A feedback method for interference alignment in wireless network having K transmitters and K receivers is provides. The method comprising: transmitting, performed by transmitter n−1, a precoding vector of transmitter n−1 (n is a integer between 2 and K−1) to receiver n+1; calculating, performed by the receiver n+1, a precoding vector of transmitter n using the precoding vector of transmitter n−1; and transmitting, performed by the receiver n+1, the precoding vector of transmitter n to transmitter n. | 12-06-2012 |
Patent application number | Description | Published |
20140114801 | USER TERMINAL FOR PROVIDING IN-APP SERVICE AND IN-APP SERVICE SERVER - A user terminal providing an in-app service and an in-app service server are provided. The user terminal includes an in-app module configured to be connected to the in-app service server and configured to transmit a multimedia content purchase request, a present request, and a share request to the in-app service server, and a terminal agent installed in an operating system of the user terminal, automatically driven when the user terminal is booted, and operating as a user interface for requesting the in-app service. The in-app service server includes an in-app module interworking unit configured to interwork with an in-app module of a user terminal, and a service controller configured to implement the in-app service when the in-app service is requested. | 04-24-2014 |
20140114869 | SYSTEM FOR PROVIDING AUTHORING SERVICE AND USER TERMINAL FOR PROVIDING AUTHORING SERVICE - An authoring service system which includes an authoring service controller providing an authoring tool to a user terminal and receiving self-made digital content generated using the authoring tool from the user terminal, a license manager managing license information for each digital content and registering the license information related to the self-made digital content based on information received from the user terminal, and a content provisioner providing the self-made digital content based the license information. In this case, the authoring service system may provide an authoring service by linking to an in-app module installed in the user terminal. In addition, the authoring service system may provide a resale service for the self-made digital content by managing a license. | 04-24-2014 |
20140143087 | IN-APP RECOMMENDATION SYSTEM AND USER TERMINAL - An in-app recommending system is provided. The in-app recommending system includes an in-app module interworking unit configured to periodically collect state information of a particular application having an in-app module from a user terminal in which the in-app module is installed, the in-app module being an application in the form of a component which can be inserted into a plurality of unspecified applications to provide a common service, a user analyzing unit configured to generate recommendation information of multimedia content on the basis of the state information of the particular application, the multimedia content including an application and digital content, and a transmission unit configured to push-transmit the recommendation information to the in-app module of the user terminal. | 05-22-2014 |
Patent application number | Description | Published |
20090266323 | VARIABLE VALVE LIFT APPARATUS - A variable valve lift apparatus may include a cam that is disposed to a camshaft and rotates, a rocker arm that is disposed to the camshaft and in which a relative rotation angle of the rocker arm around the camshaft is variable, a cam follower that contacts the cam, receives rotation of the cam, and pivots around the rocker arm, and a swing arm that contacts the cam follower and drives a valve. | 10-29-2009 |
20120132159 | CONTINUOUS VARIABLE VALVE LIFT APPARATUS - A continuous variable valve lift apparatus may include a camshaft, a first cam disposed on the camshaft, an actuating shaft parallel to the cam shaft, an actuating lever connected to the actuating shaft, a swing arm rotatably coupled to the actuating lever and an engine, a second cam pivotally connected to the swing arm and contacting the first cam to open a valve unit and a control portion which is connected to the actuating shaft and selectively rotates the actuating shaft for pivoting center of the swing arm to move. | 05-31-2012 |
20120137999 | VARIABLE VALVE DRIVING APPARATUS - A variable valve driving apparatus includes a driving shaft including a first camshaft and a second camshaft coaxially disposed to the first camshaft, a driving cam including an opening cam disposed to the first camshaft and a closing cam disposed to the second camshaft, a phase control portion controlling relative phases between the first camshaft and the second camshaft and a valve opening portion opened by the opening cam and the closing cam. | 06-07-2012 |
20130145878 | SCISSORS GEAR STRUCTURE AND MANUFACTURING METHOD THEREOF - Disclosed is a scissors gear structure and a method of manufacturing the same, wherein the scissors gear can efficiently remove backlash and prevent noise and vibrations, and wherein the scissors gear has improved mechanical properties including strength and wear resistance. The present invention provides a scissors gear without requiring separate manufacturing of expensive scissors pins which must be forcibly inserted, and without requiring expensive processing such as fine wire cutting to form grooves at both ends of the scissors spring. | 06-13-2013 |
Patent application number | Description | Published |
20090313578 | CONTROL DEVICE AND CONTROL METHOD THEREOF - A control device which controls a device is disclosed. The control device can be connected to at least one external device, and includes a display unit which generates and displays a frame; and a control unit which controls the display unit to add at least one frame corresponding to each of the at least one external device or to pre-installed applications. The control unit further controls the display unit to display corresponding content in each frame. | 12-17-2009 |
20110193810 | TOUCH TYPE DISPLAY APPARATUS, SCREEN DIVISION METHOD, AND STORAGE MEDIUM THEREOF - A touch type display apparatus is provided that includes a memory for storing at least one application, a processor for dividing a screen based on a number of users and for controlling display of an application executed for each divided screen, and a touch screen unit controlled by the processor for displaying data based on the application executed for each divided screen. | 08-11-2011 |
20130332228 | USER TERMINAL DEVICE FOR PROVIDING ELECTRONIC SHOPPING SERVICE AND METHODS THEREOF - A user terminal device including a display, a sensor configured to detect a user input on the display, a controller configured to extract objects displayed within an area on the display indicated by the user input on the display and add the objects to a wish list, and a memory configured to store the wish list. The user terminal device executes a method for providing an electronic shopping service, the method including receiving a user input at a user terminal device, determining a selection area on a screen of the user terminal device corresponding to the user input, determining a shopping object within the selection area, extracting information of the shopping object within the selection area, and adding the information to a wish list. | 12-12-2013 |
20140058860 | METHOD AND APPARATUS FOR DETERMINING ITEM BASED ON INTERACTION ENVIRONMENT - A method and an apparatus for using a device to determine an item, such as, for example, a card based on an interaction environment, such as, for example, a settlement environment, are provided. The method by which a device determines a card to be used in a settlement includes: acquiring a card use history of a card, which is stored in the device; acquiring information which relates to a settlement environment of the device; determining a card to be used in the settlement, based on the acquired information relating to the settlement environment and the acquired card use history; and providing settlement information which relates to the determined card to a point of sale (POS) terminal. | 02-27-2014 |
Patent application number | Description | Published |
20130070459 | OPTICAL DEVICES AND METHODS OF CONTROLLING PROPAGATION DIRECTIONS OF LIGHT FROM THE OPTICAL DEVICES - An optical device may include a substrate, a metal layer on the substrate, at least one first nano-structure in the layer, and at least one second nano-structure in the layer. The at least one first nano-structure may include a light source. The at least one first and second nano-structures may be spaced apart. A method of controlling a propagation direction of light output from an optical device that includes a metal layer on a substrate may include disposing first and second nano-structures in the layer; disposing at least one light source in the first nano-structure; and controlling the propagation direction of the light output from the at least one light source by changing at least one of a shape of the first nano-structure, a shape of the second nano-structure, a size of the first nano-structure, a size of the second nano-structure, and an interval between the first and second nano-structures. | 03-21-2013 |
20130070799 | SURFACE PLASMON LASER - A surface plasmon laser includes a metal layer, a gain medium layer provided on the metal layer and having a circular structure portion in which a whispering gallery mode is generated in which surface plasmon light generated due to surface plasmon resonance on an interface with the metal layer rotates along a circle, and a deformed portion formed to output part of laser light generated in the circular structure portion of the gain medium layer. | 03-21-2013 |
20140057451 | METHOD OF PREVENTING CHARGE ACCUMULATION IN MANUFACTURE OF SEMICONDUCTOR DEVICE - A method of preventing a charge accumulation in the manufacturing process of a semiconductor device is provided. The method includes: forming a material layer on a substrate; patterning (or processing) the material layer; and forming a graphene layer before patterning the material layer, wherein the graphene layer is formed on a surface of the material layer or on a surface of the substrate under the material layer. The substrate may be an insulation substrate. In addition, the substrate may have a stacked structure including a plurality of layers. | 02-27-2014 |
20140233877 | OPTICAL MODULATOR AND METHOD OF MANUFACTURING THE OPTICAL MODULATOR - An optical modulator includes a dielectric layer and a metal layer arranged on the dielectric layer. In the optical modulator, a first light of a first frequency and a second light of a second frequency that are incident upon the metal layer exit from the metal layer at different refractive angles due to surface plasmon generation. | 08-21-2014 |
20140320547 | IMAGE DISPLAY DEVICE AND METHOD AND APPARATUS FOR IMPLEMENTING AUGMENTED REALITY USING UNIDIRECTIONAL BEAM - An image display device includes a display panel unit having a plurality of optical elements configured to generate and emit unidirectional lights in an array and a control unit configured to control the plurality of optical elements according to image information. The image display device is located very close to the eyes of a user and displays an additional information image added to a real image, thereby implementing augmented reality. | 10-30-2014 |
20140376073 | OPTICAL DEVICE AND METHOD OF CONTROLLING PROPAGATION DIRECTIONS OF LIGHT AND SURFACE PLASMON BY USING THE OPTICAL DEVICE - Provided are an optical device and a method of controlling propagation directions of light and a surface plasmon using the optical device. The optical device includes a light source, a substrate, and a metal layer that is disposed on the substrate, the metal layer includes at least two slots, and propagation directions of light and a surface plasmon may be controlled by using the light that is polarized in a direction parallel to a direction of a long length of any one of the at least two slots. | 12-25-2014 |
20140376856 | OPTICAL INTERCONNECTION FOR STACKED INTEGRATED CIRCUIT - An optical interconnection for a stacked integrated circuit, is provided. The optical interconnection includes: an optical transmission unit disposed in a first layer and an optical receiving unit disposed in a second layer, different from the first layer, and spaced apart from the optical transmission unit by a predetermined gap. The optical transmission unit includes a first optical antenna that outputs light; the optical receiving unit includes a second optical antenna which receives light transmitted from the optical transmission unit. At least one of the first and second optical antennas includes a plurality of nanostructures configured to transmit or receive an optical signal. | 12-25-2014 |