Patent application number | Description | Published |
20110238999 | Internet Based E-Will Management System Using Certificate and Method Thereof - Disclosed is an Internet based e-will management method in which a will is managed by making digital signatures using a certificate issued by a certificate authority through a will management server connected to a testator/testatrix terminal and a will executor terminal via a network, the method comprising: (a) making digital signatures on an application form and a will using a certificate by a testator/testatrix through the testator/testatrix terminal and transmitting the digitally signed application form and will to the management server by the testator/testatrix terminal; (b) receiving the digitally signed application form and will and verifying and storing the digital signatures of the application form and will by the management server; (c) confirming the death of the testator/testatrix by the management server; and (d) transmitting, upon confirmation of the death of the testator/testatrix, the digitally signed will to the will executor terminal by the management server. | 09-29-2011 |
20110249816 | HYBRID KEY MANAGEMENT METHOD FOR ROBUST SCADA SYSTEMS AND SESSION KEY GENERATION METHOD - Disclosed is a hybrid key management method for a supervisory control and data acquisition (SCADA) system in which a master terminal unit (MTU), a plurality of sub-master terminal units (sub-MTUs), and a plurality of remote terminal units (RTUs) are sequentially and hierarchically structured, the hybrid key management method comprising the steps of: (a) creating, by the MTU and the sub-MTUs, their own secret numbers and making and exchanging digital signatures; (b) creating, by the MTU, group keys; and (c) distributing, by the MTU, the group keys to the sub-MTUs and encrypting and decrypting the group keys using the secret numbers. | 10-13-2011 |
Patent application number | Description | Published |
20100183150 | Shared key management method, shared key generating method and message communication method for scada system, and recording medium - A shared key management method for a Supervisory Control And Data Acquisition (SCADA) system in which a master terminal unit (MTU), a plurality of sub master terminal units (SUB-MTUs), and a plurality of remote terminal units (RTUs) are configured in a sequential hierarchy, is provided. The method includes: (a) at the MTU, generating a plurality of secret keys and respectively allocating the secret keys to the RTUs; (b) at the MTU, generating a group key in a tree structure, wherein a leaf node of the tree structure corresponds to each RTU, a parent node of a node corresponding to an RTU corresponds to a SUB-RTU to which the RTU is connected, a shared key of each node of the group key is generated by hashing shared keys of all child nodes, and a shared key of a leaf node of the group key is set as a secret key of the RTU; (c) at the RTU or the SUM-MTU, receiving and storing shared keys of every node from a node corresponding to itself to a root node; (d) when the RTU or the SUM-MTU is added or deleted, at the MTU, generating shared keys of nodes along a path from a node corresponding to the added or deleted terminal unit to the root node again; and (e) at the RTU or the SUB-MTU, receiving and storing the generated shared keys. According to the key management method for the SCADA system described above, in the case of encrypting and broadcasting or multicasting a message, a computation amount can be reduced. | 07-22-2010 |
Patent application number | Description | Published |
20130127330 | OXYNITRIDE-BASED PHOSPHOR AND LIGHT EMITTING DEVICE INCLUDING THE SAME - There are provided an oxynitride-based phosphor and a light emitting device including the same, the oxynitride-based phosphor containing at least calcium (Ca), barium (Ba), silicon (Si), oxygen (O), and nitrogen (N) as host material components in a host material and having a rare-earth element dissolved in the host material as an activator, wherein the rare-earth element is at least one from a group consisting of manganese (Mn), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), europium (Eu), gadolinium (Gd), dysprosium (Dy), terbium (Tb), holmium (Ho), erbium (Er), thulium (Tm), and ytterbium (Yb), and the host material has a monoclinic crystal structure in which a crystal lattice according to a peak of an X-ray powder diffraction pattern has values of a=7.076, b=23.888, c=4.827, α=y=90°, and β=109.110°. | 05-23-2013 |
20130147343 | PHOSPHOR COMPOSITION, LIGHT EMITTING DEVICE, AND THE METHOD OF PREPARING THE PHOSPHOR COMPOSITION - There are provided a phosphor and a light emitting device. The phosphor includes a phosphor composition including a rare-earth element employed in a compound represented by the equation: L | 06-13-2013 |
Patent application number | Description | Published |
20110038220 | SENSE AMPLIFIER AND SEMICONDUCTOR MEMORY DEVICE INCLUDING THE SAME - A sense amplifier includes a first inverter having an input terminal connected to a first line and an output terminal connected to a second line, and a second inverter having an input terminal connected to the second line and an output terminal connected to the first line, wherein an NMOS transistor of the first inverter and an NMOS transistor of the second inverter have well biases different from each other. | 02-17-2011 |
20110128795 | SEMICONDUCTOR MEMORY DEVICE HAVING SENSE AMPLIFIER - A sense amplifier prevents a reduction in sensing margin occurring when data forms an island pattern. The sense amplifier includes a first inverter having an input terminal connected to a bit line and an output terminal connected to a bar bit line, and a second inverter having an input terminal connected to the bar bit line and an output terminal connected to the bit line. The first and second inverters are configured to receive a pull-up voltage through different pull-up voltage lines, respectively. | 06-02-2011 |
20130121099 | AMPLIFIER CIRCUIT AND SEMICONDUCTOR MEMORY DEVICE - An amplifier circuit includes an amplification unit and a back-bias voltage providing unit. The amplification unit amplifies input data. The back-bias voltage providing unit provides selectively back-bias voltages of different levels to the amplification unit in an initial operation period of the amplification unit and a period after the initial operation period. | 05-16-2013 |
20150228316 | DRIVER AND SEMICONDUCTOR MEMORY DEVICE INCLUDING THE SAME - A driver includes a driving block suitable for driving a data transferred through a first signal line to a second signal line, a first precharge unit suitable for precharging the second signal line with a first driving power during a first precharge operation; and a second precharge unit suitable for precharging the second signal line with a second driving power which is different from the first driving power during a second precharge operation performed subsequent to the first precharge operation. | 08-13-2015 |
Patent application number | Description | Published |
20120005731 | HANDOVER METHOD OF MOBILE TERMINAL BETWEEN HETEROGENEOUS NETWORKS - A handover method of a mobile terminal between heterogeneous networks for facilitating the handover with pre-authentication procedure is provided. A handover method between heterogeneous networks includes receiving, at a mobile terminal connected to a source network, information on at least one target authenticator of a target network from a source authenticator in response to an attach request; creating an authentication key between the mobile terminal and the target authenticator selected among the at least one target authenticator through a pre-authentication process; determining, when the mobile terminal transmits a handover request to the selected target authenticator, whether the authentication key contained in the handover request matches with the authentication key stored in the selected target authenticator; and connecting, when the authentication keys match with each other, to the target network via the selected target authenticator. | 01-05-2012 |
20120026918 | METHOD AND SYSTEM OF MANAGING NEIGHBOR RELATION TABLE IN WIRELESS COMMUNICATION SYSTEM HAVING SELF-ORGANIZING NETWORK FUNCTION - Provided is a method of managing a neighbor relation table by a base station in a wireless communication system having a self-organizing network function, which includes receiving a neighbor base station report from a terminal; comparing the neighbor base station report with a stored neighbor relation table; calculating a statistic value of a new base station when the new base station is present in the comparison step; and adding the new base station to the stored neighbor relation table when the statistic value is equal to or greater than a first reference value. | 02-02-2012 |
20120030739 | METHOD AND APPARATUS FOR SECURITY OF MEDIUM INDEPENDENT HANDOVER MESSAGE TRANSMISSION - A method and an apparatus for securing media independent handover message transportation are provided. The method for securing media independent handover message transportation, include: performing an authentication procedure by a terminal with an access router to generate a master session key; transmitting the generated master session key and address information of the terminal to an information server by the access router; generating an information server key to be used in transmitting and receiving a message by the information server with the terminal using the received master session key and the address information of the terminal; and forming a secure channel by the terminal and the information server using the generated information server key. Since a key formed at a layer 2 is used in an MIH authentication step being a layer 3 not to repeatedly create a secure key, a security procedure may be rapidly performed. | 02-02-2012 |
20140098670 | METHOD AND APPARATUS FOR DISTRIBUTING LOAD IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for distributing a load of a base station in a wireless communication system supporting multi-carriers are provided. In the method, carriers are classified into a plurality of groups. A load of each of a plurality of cells corresponding to the plurality of groups, is determined. A cell load of each of the plurality of cells is compared with at least one threshold set in advance. When a cell load of a first cell has a value greater than the at least one threshold set in advance, a cell inside a group of the first cell or a cell inside a group different from the first cell is selected depending on the cell load of the first cell. A terminal of the first cell is allowed to perform a handover to the selected cell. | 04-10-2014 |
20140349689 | APPARATUS AND METHOD FOR MANAGING TRACKING AREA LIST IN WIRELESS COMMUNICATION SYSTEM - Managing a tracking area list in a wireless communication system is provided. An operation of a Mobile Station (MS) includes transmitting a request for tracking area update for a 1st tracking area, receiving a tracking area list to which the 1st tracking area and a 2nd tracking area are added, and updating a stored tracking area list by the tracking area list to which the 1st tracking area and the 2nd tracking area are added. | 11-27-2014 |
20150017987 | METHOD AND DEVICE FOR DISTRIBUTING IDLE USER EQUIPMENT IN MULTI-CARRIER BASED MOBILE COMMUNICATION SYSTEM - The present invention relates to a method and device for distributing idle UE by a carrier in eNB of a multi-carrier based mobile communication system. The method of distributing idle UE in a multi-carrier based mobile communication system according to the present invention includes a process of determining a search rate by a carrier on the basis of information representing load on the carrier, a step of determining a cell reselection priority on the idle UE on the basis of the determined search rate, and a process of transmitting the determined cell reselection priority to the idle UE. | 01-15-2015 |
20150031360 | METHOD AND DEVICE FOR LOAD BALANCING IN WIRELESS COMMUNICATION SYSTEM - A method for a load balancing using statistical information in a base station of a wireless communication system is provided. The method includes measuring a load of at least one cell managed by the base station; exchanging load information of the measured cell with at least one neighboring base station; determining at least one Mobility Load Balancing (MLB) application candidate cell in which a Cell Individual Offset (CIO) change is necessary using the load information; determining at least one MLB application target cell in the at least one MLB application candidate cell; performing a CIO change procedure with the at least one MLB application target cell; selecting at least one User Equipment (UE) to notify a CIO change; and notifying the selected at least one UE of the CIO change. | 01-29-2015 |
Patent application number | Description | Published |
20100286712 | BED INTEGRATED SURGICAL ROBOT - Disclosed is a bed integrated surgical robot. The bed integrated surgical robot comprises a supporting part, a frame supported by the supporting part, a table supported by the frame and on which a surgical patient is laid and a surgical robot arm installed on the frame and manipulated to reach for the surgical patient, wherein the robot arm is formed of a plurality of joints and deposited on the frame by driving the plurality of joints, and is easy to deposit, install, move, allows an assistant surgeon to easily access a patient under surgery, requires no additional space to install the robot, and functions as a patient bed. | 11-11-2010 |
20110015650 | INSTRUMENT OF ROBOT ARM FOR SURGERY - An instrument for a surgical robot arm is disclosed. The instrument, which is to be mounted on a front end of a robot arm equipped with an actuator, includes: a housing, which is coupled to the front end of the robot arm; a driving wheel, which is coupled to the housing, and which is operated by way of a driving force transferred from the actuator; and a locking part, which is coupled to the housing, and which locks the operation of the driving wheel in correspondence to the mounting and dismounting of the housing on and from the robot arm. By installing a locking part on the instrument, the locking part can be made to restrain the rotation of the driving wheels when mounting or dismounting the instrument on or from the robot arm, and the driving wheels can be automatically calibrated when the instrument is dismounted from the robot arm. Thus, the driving wheels or the manipulation part may not undergo unnecessary movements, and the driving force of the robot arm can be transferred to the instrument without having to perform a separate aligning process after mounting the instrument onto the robot arm. | 01-20-2011 |
20110022060 | SURGICAL ROBOT - A surgical robot is disclosed, which includes: a handle unit; a main body connected to the handle unit; a robot arm connected to the main body and configured to operate in correspondence with a first manipulation on the handle unit; an instrument mounted on a front end of the robot arm; and a manipulation unit coupled to a far end of the instrument and configured to perform an action required for surgery in correspondence with a second manipulation on the handle unit, wherein the main body is coupled to a support unit. The surgical robot can be constructed with a simpler, slimmer structure, by having the arms of the surgical robot moved and rotated manually and having the instruments manipulated by the robot. Thus, the surgical robot can be installed in a narrow space, and the costs for manufacturing and installing the robot can be reduced. In particular, in the case of simple surgical procedures, the operator may readily manipulate the surgical robot next to the patient, for improved applicability and reliability. | 01-27-2011 |
20110022229 | MASTER INTERFACE AND DRIVING METHOD OF SURGICAL ROBOT - A master interface and a driving method for a surgical robot are disclosed. The master interface is mounted on a master robot, to manipulate a slave robot connected with the master robot, and includes: a main handle coupled to the master robot; a sub-handle coupled to the main handle; a first processor configured to generate a first signal in correspondence with user manipulation on the main handle; and a second processor configured to generate a second signal in correspondence with user manipulation on the sub-handle, where the first signal and the second signal are transmitted to the slave robot independently. As the interface for the surgical master robot includes not only the handle (main handle) for manipulating the robot arm, but also an additional controller (sub-handle) for a laparoscope, etc., the operator is able to simultaneously manipulate the laparoscope, etc., while manipulating the handle, without having to stop manipulating the handle or perform an additional action separately. The sub-handle may be detachably coupled to the main handle, so that the laparoscope, etc., may be manipulated separately by an assistant when necessary. | 01-27-2011 |
20110264136 | SURGICAL INSTRUMENT - A surgical instrument is disclosed. The surgical instrument, which has an effector for engaging the surgical site joined to one end and a driving part for operating the effector joined to the other end, includes: a first shaft, which has one end joined with the driving part, and which extends along a first lengthwise direction; and a second shaft, which extends along a second lengthwise direction that forms a particular angle with the first shaft, and which has one end joined with the other end of the first shaft such that the second shaft is rotatable about an axis following the second lengthwise direction. Thus, it is possible to conduct surgery using several of such surgical instruments without having the instruments obstruct one another, and the surgical instrument can be made to have different usage modes according to what length it is set to. | 10-27-2011 |
20110276058 | SURGICAL ROBOT SYSTEM, AND METHOD FOR CONTROLLING SAME - A master interface for a surgical robot, mounted on a master robot for controlling a slave robot, may include two or more robot arms each having a mounted surgical instrument. The master interface may include: a screen display unit configured to display an on-screen image corresponding to a picture signal inputted from a surgical endoscope; two or more arm manipulation units equipped for controlling the two or more robot arms, respectively; and a control unit configured to provide control such that the on-screen image is rotated or mirrored in a pre-designated direction according to a user manipulation, and configured to provide control such that control conditions for the robot arm are renewed to match the rotated or mirrored on-screen image. Thus, the display screen on a surgical monitor can be suitably controlled according to the intent of the surgeon, to remove the non-intuitiveness of a surgical procedure. | 11-10-2011 |
20110306986 | SURGICAL ROBOT SYSTEM USING AUGMENTED REALITY, AND METHOD FOR CONTROLLING SAME - Disclosed are a surgical robot system using augmented reality or history information and a control method thereof. A master interface for a surgical robot is provided, where the master interface is configured to be mounted on a master robot, which is configured to control a slave robot having a robot arm. The interface includes: a screen display unit configured to display an endoscope picture corresponding to a picture signal provided from a surgical endoscope; one or more arm manipulation unit for respectively controlling the robot arm; and an augmented reality implementer unit configured to generate virtual surgical tool information according to a user manipulation on the arm manipulation unit for displaying a virtual surgical tool through the screen display unit. This makes it possible to display an actual surgical tool and a virtual surgical tool together using augmented reality and thus enables surgery in a facilitated manner. | 12-15-2011 |
20120004648 | SURGICAL INSTRUMENT - A surgical instrument is disclosed that includes: a handle; a shaft coupled to the handle and extending in one direction; a bending part formed on a portion of the shaft; a driving part mounted on the handle and configured to generate a particular driving power; and a power transmission mechanism configured to transmit the driving power generated by the driving part to the bending part such that the bending part is bent. By mounting a driving part onto the surgical instrument and enabling the shaft to bend by a simple manipulation on a controller, it is possible to readily change the direction of the effector even when holding the instrument in one hand. Also, since the shaft is bent while the instrument is held, the reaction force applied on the effector when changing the direction of the effect can be felt by the user, providing a “haptic feedback”. | 01-05-2012 |
Patent application number | Description | Published |
20090172684 | SMALL LOW POWER EMBEDDED SYSTEM AND PREEMPTION AVOIDANCE METHOD THEREOF - Provided are a small low power embedded system and a preemption avoidance method thereof. A method for avoiding preemption in a small low power embedded system includes fetching and running a periodic atomic task from a periodic run queue, reducing any one of periodic atomic tasks or performing the change of a task after changing a field of the run periodic atomic task into a run standby state, according to a result value of the run of the periodic atomic task, fetching a sporadic atomic task from a sporadic run queue, and acquiring a system clock, running the fetched sporadic atomic task according to run time in the worst condition, and reducing any one of sporadic atomic tasks or performing the change of an event after a field of the run sporadic atomic task into a run standby state, according to a result value of the run of the sporadic atomic task. | 07-02-2009 |
20100052738 | FREQUENCY DIVIDER FOR WIRELESS COMMUNICATION SYSTEM AND DRIVING METHOD THEREOF - A frequency divider for a wireless communication system is provided. A frequency divider includes a body bias voltage generator and a divider. The body bias voltage generator generates a body bias voltage including a PMOS body bias voltage and an NMOS body bias voltage whose voltage levels are controlled according to an input signal. The divider includes a plurality of flip-flops whose operation points are determined according to the body bias voltage, and generates an output signal by dividing a frequency of the input signal by N. Each of the flip-flops may include a PMOS logic and an NMOS logic. The PMOS logic may include a plurality of PMOS transistors whose operation points are determined according to the PMOS body bias voltage. The NMOS logic may be connected electrically to the PMOS logic and include a plurality of NMOS transistors whose operation points are determined according to the NMOS body bias voltage. | 03-04-2010 |
20100054369 | FILTER TUNING CIRCUIT FOR WIRELESS COMMUNICATION SYSTEM - A filter tuning circuit for a wireless communication system is provided. A filter tuning circuit includes a comparator and a counter which control a transconvertance value of a differential transconverter to tune a filter. | 03-04-2010 |
20100057958 | APPARATUS OF DIGITAL MAC FOR IEEE 802.15.4 SYSTEM AND SYSTEM THEREOF - There is provided a digital MAC apparatus for an IEEE 802.15.4 based communication system, which is implemented in hardware. The digital MAC apparatus having a processor of a Wireless Personal Area Network (WPAN) communication system and a data bus transferring data includes a frame generating unit generating and outputting a frame on the basis of input data; a frame parsing unit parsing an input frame input through the data bus, and generating and outputting a control signal or transmission and receipt data; and a controller operating at least one of the frame generating unit and the frame parsing unit according to the generated control signal, and communicating the output frame or data with the processor according to the operation. | 03-04-2010 |
20120170397 | SENSOR NODE ENABLED TO MANAGE POWER INDIVIDUALLY - A sensor node is provided. The sensor node regulates the power supplied to memories of a memory unit individually and the power supplied to a transmitter and a receiver of an RF transceiver individually. Thus, the sensor node can minimize its power consumption. | 07-05-2012 |
Patent application number | Description | Published |
20110170601 | METHOD FOR ENCODING/DECODING MOTION VECTOR AND APPARATUS THEREOF - A method for encoding/decoding a motion vector and an apparatus thereof are disclosed. The method includes defining a candidate motion vector set with respect to a current motion vector; selecting a predicted motion vector from the candidate motion vector set; determining a predictability of the predicted motion vector in a decoding apparatus; encoding the current motion vector by using a motion vector prediction mode for indicating the predicted motion vector and the predictability, if the predictability is determined positive; and encoding the current motion vector by using a motion vector prediction mode for indicating a default predicted motion vector and an unpredictability, if the predictability is determined negative. According to the disclosure, it becomes unnecessary to directly notify of the predicted motion vector of the current motion vector to the decoding apparatus, and instead a predetermined shared function is provided to inform of or search the predicted motion vector. | 07-14-2011 |
20110182362 | METHOD AND APPARATUS FOR MOTION VECTOR ENCODING/DECODING USING A PLURALITY OF MOTION VECTOR ESTIMATIONS, AND METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING USING SAME - The present disclosure relates to a method and an apparatus for motion vector encoding/decoding through estimations of multiple motion vectors, and to a method and an apparatus for video encoding/decoding using the same. The disclosure provides a motion vector encoding apparatus including a motion vector estimator for estimating a plurality of motion vectors with estimating one of the plurality of motion vectors as a motion vector of a current block and estimating the remaining motion vectors by one or more predefined estimation criteria in agreement with a video decoding apparatus; and a motion information encoder for encoding motion information generated by using the plurality of motion vectors. According to the disclosure, estimations are enabled by using more accurate motion vectors while reducing the bit rate for encoding the motion vectors leading to an improvement of the compressing efficiency. | 07-28-2011 |
20110200112 | METHOD AND APPARATUS FOR ENCODING/DECODING MOTION VECTORS OF MULTIPLE REFERENCE PICTURES, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING THE SAME - A motion vector encoding apparatus includes: an optimum motion vector determiner for determining optimum motion vectors for multiple reference pictures with respect to a current motion vector of a current block; a motion vector encoding mode determiner for determining a motion vector encoding mode according to whether a motion vector decoding apparatus can predict the optimum motion vectors for the multiple reference pictures; and a motion vector encoder for generating and encoding motion information on the multiple reference pictures by using the optimum motion vectors for the multiple reference pictures or preset default motion vectors for the multiple reference pictures according to the motion vector encoding mode, and generating motion vector encoded data by encoding the motion vector encoding mode. The motion vector encoding apparatus can more accurately predict a predicted motion vector of the current motion vector for multiple reference pictures, so as to improve the compression efficiency. | 08-18-2011 |
20110243229 | APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTABILITY OF INTRA-PREDICTION MODE - An apparatus and a method for video encoding/decoding using predictability of an intra-prediction mode are disclosed. The apparatus for encoding a video of the present disclosure includes: an intra-prediction mode determiner for determining an encoder prediction mode which is an intra-prediction mode of a current block of the video; an encoder for encoding a residual block generated by subtracting, from the current block, a predicted block generated by predicting the current block according to the encoder prediction mode; a mode information generator for generating mode information according to whether or not a video decoding apparatus is able to predict the encoder prediction mode; and an encoded data generator for generating encoded data including the encoded residual block and the mode information. The present disclosure can enhance compression in video encoding/decoding by using intra-prediction to predict the video with a minimum necessary bit rate. | 10-06-2011 |
20110317930 | METHOD AND APPARATUS FOR SELECTIVELY ENCODING/DECODING SYNTAX ELEMENTS, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING SAME - An apparatus and a method for motion vector encoding/decoding, and to an apparatus and a method for image encoding/decoding using same are provided. The apparatus includes a selector of optimal predicted motion vector PMV from candidate motion vector set of current block; a determiner of motion vector prediction mode of current block with selected motion vector prediction mode from multiple motion vector prediction modes by decision criterion prearranged with motion vector decoding apparatus; and an encoder for determining, by determined motion vector prediction mode, optimal PMV or default predicted motion vector into PMV for current motion vector, encoding differential vector between the current block and PMV, and selectively encoding/outputting determined motion vector prediction mode as encoded motion vector prediction mode by the determined motion vector prediction mode. Bit quantity in encoding a motion vector is reduced improving encoding efficiency and preventing decoder crash even at encoding error, improving decoder. | 12-29-2011 |
20120269268 | MOTION VECTOR ENCODING/DECODING METHOD AND DEVICE AND IMAGE ENCODING/DECODING METHOD AND DEVICE USING SAME - The present disclosure relates to a method and apparatus for encoding/decoding a motion vector and a method and apparatus for encoding/decoding video using same. The motion vector encoding method includes selecting a predicted motion vector candidate set including one or more predicted motion vector candidates for a block; determining one or more search ranges for predicted motion vector candidate set; selecting one predicted motion vector candidate among one or more predicted motion vector candidates as predicted motion vector for each search point with respect to each search point within search range by first determination criterion prearranged with video decoding apparatus; selecting one predicted motion vector among the predicted motion vectors for each search point by a second determination criterion not prearranged with the video decoding apparatus, and determining predicted motion vector, differential motion vector, and current motion vector; and generating and encoding the differential motion vector as motion information. | 10-25-2012 |
Patent application number | Description | Published |
20080229167 | PACKET DATA TRANSMITTING METHOD AND MOBILE COMMUNICATION SYSTEM USING THE SAME - A packet data transmitting method and mobile communication system using the same enables transmission of common ACK/NACK information from each sector of a base station to a user entity in softer handover. The method includes receiving via at least one of the plurality of sectors a data packet from the mobile terminal, the data packet being correspondingly received for each of the at least one of the plurality of sectors; combining the correspondingly received data packets, to obtain a signal having a highest signal-to-noise ratio; decoding the value obtained by the combining; determining a transmission status of the data packet according to the decoding; and transmitting to the mobile terminal a common ACK/NACK signal including one of a common ACK signal and a common NACK signal according to the determining, the common ACK/NACK signal being transmitted via each of the at least one sector. | 09-18-2008 |
20090262711 | Method of scheduling an uplink packet transmission channel in a mobile communication system - A method of scheduling an uplink packet transmission channel in a mobile communication system is disclosed. The method of scheduling includes determining a scope of user equipments (UEs) to be applied to a scheduling assignment for scheduling the uplink packet transmission channel, and transmitting the scheduling assignment to the user equipments included in the determined scope, wherein the scheduling assignment includes an identifier for identifying the scope of the user equipments and scheduling contents for carrying information applicable to the scheduling assignment. | 10-22-2009 |
20100061332 | PACKET DATA TRANSMITTING METHOD AND MOBILE COMMUNICATION SYSTEM USING THE SAME - A packet data transmitting method and mobile communication system using the same enables transmission of common ACK/NACK information from each sector of a base station to a user entity in softer handover. The method includes receiving via at least one of the plurality of sectors a data packet from the mobile terminal, the data packet being correspondingly received for each of the at least one of the plurality of sectors; combining the correspondingly received data packets, to obtain a signal having a highest signal-to-noise ratio; decoding the value obtained by the combining; determining a transmission status of the data packet according to the decoding; and transmitting to the mobile terminal a common ACK/NACK signal including one of a common ACK signal and a common NACK signal according to the determining, the common ACK/NACK signal being transmitted via each of the at least one sector. | 03-11-2010 |
20100185777 | METHOD AND SYSTEM FOR TRANSMITTING AND RECEIVING DATA STREAMS - A method and system for transmitting and receiving data using a plurality of antennas are disclosed. The method of transmitting includes the steps of receiving feedback information from a receiving end, the feedback information including group selection information and weight values for the plurality of antennas, grouping the plurality of antennas into a plurality of antenna groups based on the group selection information included in the feedback information, and transmitting, to a receiving end, a plurality of data streams through the plurality of antenna groups, respectively, based on the weight values. | 07-22-2010 |
20100202363 | METHOD OF SCHEDULING FOR ENHANCED DEDICATED CHANNEL (E-DCH) - A method of scheduling for an Enhanced Dedicated Channel (E-DCH) in a user equipment (UE) is disclosed. More specifically, a method of receiving an information indicating an allowable transmit power range from a base station and updating a group of Transport Format Combinations (TFCs) allowed by the base station by selecting the TFCs that can be used within the allowable transmit power range. Furthermore, the method comprises transmitting the E-DCH by at least one TFC selected from the group of TFCs. | 08-12-2010 |
20140301325 | PACKET DATA TRANSMITTING METHOD AND MOBILE COMMUNICATION SYSTEM USING THE SAME - A packet data transmitting method and mobile communication system using the same enables transmission of common ACK/NACK information from each sector of a base station to a user entity in softer handover. The method includes receiving via at least one of the plurality of sectors a data packet from the mobile terminal, the data packet being correspondingly received for each of the at least one of the plurality of sectors; combining the correspondingly received data packets, to obtain a signal having a highest signal-to-noise ratio; decoding the value obtained by the combining; determining a transmission status of the data packet according to the decoding; and transmitting to the mobile terminal a common ACK/NACK signal including one of a common ACK signal and a common NACK signal according to the determining, the common ACK/NACK signal being transmitted via each of the at least one sector. | 10-09-2014 |
Patent application number | Description | Published |
20130135228 | DEVICE AND METHOD FOR DISPLAYING OBJECT IN TERMINAL - A method for displaying an object in a portable terminal having a touch screen is provided. An object having a changeable attribute is first displayed. A first touch is detected at a first location, and the object is selected responsive to the first touch. A second touch is detected at a second location. An attribute of the displayed object is changed according to a drag of the second touch, and the object having the changed attribute is displayed. | 05-30-2013 |
20140068478 | DATA DISPLAY METHOD AND APPARATUS - A data display method and apparatus display data efficiently on the screen of an electronic device equipped with a touchscreen. The data display method includes setting a scroll rate to a touch movement distance; detecting a touch gesture in a first region of the touchscreen; scrolling icons in the first region at the scroll rate in response to the touch gesture; and displaying detailed information associated with at least one icon newly displayed according to the scroll in a second region of the touchscreen. | 03-06-2014 |
20150116344 | METHOD AND APPARATUS FOR CONTROLLING SCREEN BRIGHTNESS IN ELECTRONIC DEVICE - A method of controlling screen brightness in an electronic device. The method includes determining whether to control screen brightness when displaying a screen; dividing a display area of screen information partially displayed on the screen if it is determined to control screen brightness; and partially controlling screen brightness of a display area having a low priority in the screen information of which the display area has been divided. | 04-30-2015 |
20150160799 | METHOD AND APPARATUS FOR CONTROLLING CONTACT LIST OF ELECTRONIC DEVICE - A method for controlling a contact list in an electronic device includes, when an event to be highlighted occurs, scheduling contact information related to the highlight event into a highlight area. The method further includes displaying the contact list comprising the highlight area containing the contact information related to the highlight event, and a normal area containing normal contact information. The contact information related to the event includes one or more contextual actions. When one of the contextual actions is selected, the method further includes executing the selected contextual action. An apparatus for controlling a contact list in an electronic device is also provided. | 06-11-2015 |
20150199203 | METHOD AND APPARATUS FOR PROVIDING HELP INFORMATION AND USER DEVICE ADAPTED TO THE METHOD - A method of and device for providing help information are provided. The method includes identifying information about a function from a video displaying the function and meta-information related to the video; determining whether the user device supports the function based on the identified information; activating, when the user device supports the function, a help function for the function; and outputting help information about the function. The device includes a touch screen; and a controller configured to identify information about a function from a video displaying the function and meta-information related to the video; determine whether the user device supports the function based on the identified information; activate, when the user device supports the function, a help function for the function; and control the touch screen to output help information about the function. | 07-16-2015 |
20150199975 | TANGIBLE MULTIMEDIA CONTENT PLAYBACK METHOD AND APPARATUS - A tangible multimedia content playback method and apparatus is provided. The tangible multimedia content playback method includes extracting effect data from multimedia content, mapping the extracted effect data to a timeline of the multimedia content, establishing, when the multimedia content is played, a connection to at least one peripheral device pertaining to the effect data, and controlling the at least one peripheral device pertaining to the effect data to match with the timeline. | 07-16-2015 |
Patent application number | Description | Published |
20140059482 | METHOD OF CONTROLLING A LIST SCROLL BAR AND AN ELECTRONIC DEVICE USING THE SAME - A method controls a list scroll bar, including displaying a partial area of a list having at least one first item, and a first list scroll bar to scroll the list; expanding and displaying a first index area having at least one first index corresponding to the at least one first item in the first list scroll bar; downscaling a second index area having at least one second index corresponding to at least one second item different from the at least one first item and displaying a representative second index representing the second index area in the first list scroll bar; and upon detecting a gesture to select the representative second index, expanding and displaying the second index area in the first list scroll bar while downscaling the first index area and displaying a representative first index representing the first index area in the first list scroll bar. | 02-27-2014 |
20140100850 | METHOD AND APPARATUS FOR PERFORMING PRESET OPERATION MODE USING VOICE RECOGNITION - A method and apparatus of performing a preset operation by using voice recognition are provided. The method includes performing the preset operation of a preset operation mode according to a key input or a touch input in the preset operation mode; and recognizing an input voice during performance of the preset operation of the preset operation mode and assisting the performance of the preset operation according to the recognized voice. | 04-10-2014 |
20140306980 | METHOD AND APPARATUS FOR DISPLAYING SCREEN OF PORTABLE TERMINAL DEVICE - A screen display method of a portable terminal device and apparatus are provided. The method includes identifying direction information of the portable terminal device; and applying a graphic expression showing at least one of a preset shadowing effect and light reflecting effect, which are predefined in at least one object displayed on a screen, according to the identified direction information of the portable terminal device. | 10-16-2014 |
20140317527 | METHOD AND APPARATUS FOR PROVIDING A CHANGED SHORTCUT ICON CORRESPONDING TO A STATUS THEREOF - A method of controlling a mobile apparatus which provides a changed shortcut icon corresponding to a status of the mobile apparatus is provided. The method includes displaying a shortcut icon, corresponding to a function in the mobile apparatus, on a display unit; recognizing the status of the mobile apparatus; changing an initial entry point of the shortcut icon to a changed entry icon as a function of the status; detecting an execution gesture for executing the shortcut icon; and executing the function using the changed entry point when the execution gesture is detected. | 10-23-2014 |
20140361986 | ELECTRONIC DEVICE AND METHOD FOR CONTROLLING THE ELECTRONIC DEVICE BASED ON IMAGE DATA DETECTED THROUGH A PLURALITY OF CAMERAS - An electronic device including a first camera and a second camera and method for controlling the electronic device are provided. The method includes detecting a user through the first camera; detecting the user through the second camera; and performing a preset function in the electronic device, based on a sequence of the detecting of the user through the first camera and the second camera. | 12-11-2014 |
20150019579 | METHOD FOR AN ELECTRONIC DEVICE TO EXECUTE AN OPERATION CORRESPONDING TO A COMMON OBJECT ATTRIBUTE AMONG A PLURALITY OF OBJECTS - Electronic devices which execute an operation corresponding to a common object attribute among a plurality of objects having same or similar data for the common object attribute, and methods therefor, are described. The method includes determining whether at least one common object attribute exists among a plurality of objects, determining whether data for the at least one common object attribute is identical or similar among the plurality of objects if the at least one common object exists; and executing an operation corresponding to the at least one common object attribute if data for the at least one common object attribute is identical or similar among the plurality of objects. | 01-15-2015 |
20150067557 | METHOD AND ELECTRONIC DEVICE FOR DISPLAYING CONTENT - A method in an electronic device includes displaying at least a part of the a plurality of contents on a screen, determining a content of interest based on weights of each of the contents, and adjusting a speed of scrolling the plurality of the contents upon detecting the content of interest being displayed on the screen. An electronic device includes one or more processors configured to display at least a part of the a plurality of contents on a screen, determine a content of interest on based on weights of each of the contents, and adjust a speed of scrolling the plurality of the contents upon detecting the content of interest being displayed on the screen when scrolling the contents. Other embodiments also are disclosed. | 03-05-2015 |
20150067585 | ELECTRONIC DEVICE AND METHOD FOR DISPLAYING APPLICATION INFORMATION - An electronic device includes a processor is configured to cause a screen to display displaying contents of application in a first layer, determine whether a trigger occurs in the first layer, and cause the screen, when the trigger occurs, concurrently to display the contents of the application in the first layer and information of the entered application in the second layer. A method in an electronic device includes displaying contents of application in a first layer, determining whether a trigger occurs on the first layer, and when the trigger occurs, concurrently displaying the contents of the application in the first layer and information of the applications in a second layer. | 03-05-2015 |
20150079946 | METHOD FOR NOTIFYING ARRIVAL OF INCOMING COMMUNICATION AND ELECTRONIC DEVICE THEREOF - Methods and apparatus are provided for performing an incoming notification in an electronic device. An incoming communication is received. An importance of the incoming communication is determined based on stored contact-related information. An incoming notification level is regulated according to the importance of the incoming communication. | 03-19-2015 |
20150155917 | METHOD AND DEVICE FOR CONNECTING AND INTERACTING WITH ELECTRONIC DEVICES USING PROTECTIVE COVER OF ELECTRONIC DEVICE - A method and device for a connection and an interaction between electronic devices using a protective cover of an electronic device are provided. The method of operating a second electronic device for an interaction between electronic devices includes detecting a communication module of a plurality of communication module included in a protective cover, the protective cover being used to protect a first electronic device; receiving information about the first electronic device from the communication module of the detected protective cover; and performing an interaction with the first electronic device using the information about the first electronic device. | 06-04-2015 |
20150229754 | MOBILE TERMINAL, USER INTERFACE METHOD IN THE MOBILE TERMINAL, AND COVER OF THE MOBILE TERMINAL - A mobile terminal, a method in the mobile terminal, and a cover of the mobile terminal are provided for processing input. A first area of a touch screen of the mobile terminal corresponding to a window area of the cover is defined, and a second area of the touch screen of the mobile terminal corresponding to a non-window area of the cover is defined. A first input in the second area while the cover is closed over the touch screen is detected and the first input as a first control command is processed. | 08-13-2015 |
20150365784 | METHOD AND WEARABLE DEVICE FOR INTERWORKING WITH A PORTABLE TERMINAL - A portable terminal and method thereof are provided for interworking with a wearable device. The method includes recognizing that the wearable device is placed on the portable terminal; displaying first screen data including information of the wearable device; sensing movement of the wearable device; and displaying second screen data corresponding to the movement. | 12-17-2015 |
Patent application number | Description | Published |
20100290462 | METHOD OF MANAGING GROUP OF DYNAMIC MULTICAST EFFICIENTLY - The present invention relates to a method of efficiently managing dynamic multicast groups. In the method of efficiently managing dynamic multicast groups a hierarchical structure is used as a network structure for a multicast service. Accordingly, there are advantages in that groups can be merged or divided efficiently and overload depending on group management can be reduced. | 11-18-2010 |
20110004769 | PASSWORD INPUT SYSTEM USING AN ALPHANUMERIC MATRIX AND PASSWORD INPUT METHOD USING THE SAME - The present invention relates to a password input algorithm, more particularly to a password input system and method using an alphanumeric matrix. An aspect of the invention can provide a password input system and method that can defend against keylogging attacks and shoulder surfing attacks, by having the final password inputted by way of certain alphanumeric matrix letters which are separated by a particular distance from the letters forming the password in the alphanumeric matrix. Also, an aspect of the invention can provide a password input system and method that can further increase the probability of defending against keylogging attacks and shoulder surfing attacks, by having the final password inputted by way of certain alphanumeric matrix letters which are separated by a particular distance from the letters forming the password in the alphanumeric matrix, but with the alphanumeric matrix rotated every time a letter is inputted. | 01-06-2011 |
20110004928 | PASSWORD INPUT SYSTEM USING ALPHANUMERIC MATRICES AND PASSWORD INPUT METHOD USING THE SAME - The present invention relates to a password input algorithm, more particularly to a password input system and method using alphanumeric matrices. An aspect of the invention can provide a password input system and method using alphanumeric matrices that can defend against keylogging attacks and shoulder surfing attacks by including a movable second alphanumeric matrix and a fixed first alphanumeric matrix and enabling a user to input a password by moving the password letters of the second alphanumeric matrix to the user-defined value of the first alphanumeric matrix. Another aspect of the invention can provide a password input system and method using alphanumeric matrices that can defend against shoulder surfing attacks by enabling a user to input a password by dividing the password by every two digits and moving the cross-points for the two digits, respectively, to the user-defined value of the first alphanumeric matrix. | 01-06-2011 |
Patent application number | Description | Published |
20110133831 | Demodulator for Simultaneous Multi-Node Receiving and the Method Thereof - The present invention relates to a demodulator for simultaneous multi-node receiving and a method therof; and, more particularly, a demodulator in a wireless communication system for receiving signals from multi nodes simultaneously and a method thereof. | 06-09-2011 |
20110255626 | METHOD FOR CONFIGURING PHYSICAL LAYER OF LOW FREQUENCY BAND BASED ON WIRELESS MAGNETIC FIELD COMMUNICATION, AND COMPUTER-READABLE RECORDING MEDIUM INCLUDING PROGRAM FOR EXECUTING THE METHOD - The present invention relates to a method for configuring a physical layer of a low frequency band based on wireless magnetic field communication, and a computer-readable recording medium including a program for executing the method. The method supports the proper packet format, coding mode, and modulation mode between a master and a slave in order to enable wireless communication in variable data rate or coding modes depending on a peripheral environment in a low frequency band based on wireless magnetic field communication which is applied to a difficult environment. The method of the invention is characterized by changing the data rate and the coding mode of a payload field within a preset range depending on the peripheral communication environment, wherein the payload field is included in the request and response frames between the master and the slave. The request and response frames can be configured in the same format in the above-mentioned configuration and respectively include a preamble field, a header field, and the payload field. | 10-20-2011 |
20120002761 | Wireless Communication Method For Magnetic Field Communication Network and Demodulation Device of Coordinator - Disclosed herein is a wireless communication method for a magnetic field communication network. The wireless communication method is performed by a coordinator on the magnetic field communication network. The wireless communication method includes transmitting a request signal used to request response to each of sensor nodes; selecting any one of response signals received from the sensor nodes; transmitting an acknowledgement signal to a sensor node corresponding to the response signal; selecting any one of response signals transmitted again from sensor nodes which did not receive the acknowledgement signal; and transmitting an acknowledgement signal to a sensor node corresponding to the selected response signal. | 01-05-2012 |