Patent application number | Description | Published |
20110286316 | ADAPTIVE WRITING METHOD FOR HIGH-DENSITY OPTICAL RECORDING APPARATUS AND CIRCUIT THEREOF - An apparatus configured to write input data on an optical recording medium using a write pulse waveform, the write pulse waveform including a first pulse, a last pulse and a multi-pulse train, is provided. The apparatus includes a discriminator configured to discriminate a magnitude of a present mark and a magnitude of a leading space from the input data, a write waveform controller configured to control the write pulse waveform to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of the present mark to be written according to the magnitude of the present mark and the magnitude of the leading space, and use a grouping table to control the write pulse waveform to generate the adaptive write pulse waveform, the grouping table being configured to store rising edge data of the first pulse of the write pulse waveform varying according to corresponding stored values of magnitudes of present marks and magnitudes of leading spaces, and a processor configured to process the input data on the optical recording medium using the adaptive write pulse waveform. The discriminator is further configured to apply the magnitude of the present mark and the magnitude of the leading space to the write waveform controller. The adaptive write pulse waveform is generated without regard for a trailing space of the present mark being written using the adaptive write pulse waveform. A width of the first pulse is varied by varying the position of the rising edge. | 11-24-2011 |
20110286317 | ADAPTIVE WRITING METHOD FOR HIGH-DENSITY OPTICAL RECORDING APPARATUS AND CIRCUIT THEREOF - An apparatus configured to write input data on an optical recording medium using a write pulse waveform including a first pulse, a last pulse and a multi-pulse train is provided. The apparatus includes a discriminator configured to discriminate a magnitude of a present mark, a magnitude of a leading space, and a magnitude of a trailing space from the input data, a write waveform controller configured to control the write pulse waveform based on a grouping table, the grouping table being configured to store rising edge data of the first pulse of the write pulse waveform grouped in corresponding pulse groups according to magnitudes of a plurality of present marks and magnitudes of a plurality of spaces adjacent to the plurality of present marks, the write pulse waveform being controlled to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of the mark to be written according to at least the magnitudes of the present mark and the leading space, and a processor configured to process the input data on the optical recording medium using the adaptive write pulse waveform. The discriminator is further configured to apply the magnitude of the present mark, the magnitude of the leading space, and the magnitude of the trailing space to the write waveform controller. The width of the first pulse is varied by varying the position of the rising edge. | 11-24-2011 |
20110286318 | ADAPTIVE WRITING METHOD FOR HIGH-DENSITY OPTICAL RECORDING APPARATUS AND CIRCUIT THEREOF - An optical recording medium is provided, the optical recording medium including a plurality of zones respectively corresponding to width data of first and/or last pulses of an adaptive write pulse waveform stored in a grouping table, the grouping table being configured to group a magnitude of a present mark of input data and magnitudes of leading and/or trailing spaces of the present mark into a short pulse group, a middle pulse group, and a long pulse group using grouping pointers, store data configured to calculate a width of a write pulse, an adaptive write pulse being generated in response to the calculated width, generate the adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to the magnitudes of the present mark and the leading space, the adaptive write pulse waveform being generated without regard for the trailing space of the present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of marks to be written. A width of the first pulse is varied by varying the position of the rising edge. | 11-24-2011 |
20110286320 | ADAPTIVE WRITING METHOD FOR HIGH-DENSITY OPTICAL RECORDING APPARATUS AND CIRCUIT THEREOF - An optical recording medium is provided, the optical recording medium including a plurality of zones configured to store data corresponding to an adaptive write pulse, the adaptive write pulse including a first pulse, a last pulse, and a multi-pulse train, the adaptive write pulse being different for each of the plurality of zones, the plurality of zones being reflected by a grouping table, the grouping table being configured to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to a length of the mark to be written and a leading space, the adaptive write pulse waveform being generated without regard for a trailing space of a present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of marks to be written. A width of the first pulse is varied by varying the position of the rising edge. | 11-24-2011 |
Patent application number | Description | Published |
20080310906 | PRINTING MEDIUM ALIGNMENT DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A printing medium alignment device and an image forming apparatus having the same, the image forming apparatus includes a printing medium supply unit to supply a printing medium, a printing unit to print an image on the printing medium supplied from the printing medium supply unit, and a printing medium alignment device to align the printing medium fed toward the printing unit. The printing medium alignment device includes: a register roller; an idle roller to form a nip with the register roller, to feed the printing medium to the printing unit; a register to move to a first position to block the printing medium from entering the nip, to align the printing medium, and to move to a second position to allow the printing medium to enter the nip; and a shutter roller mounted in the register shutter. When the register shutter is in the second position, the shutter roller rolls while in contact with the printing medium, to decrease a friction between the printing medium and the register shutter. | 12-18-2008 |
20090010696 | IMAGE FORMING APPARATUS HAVING CONTACT PREVENTING UNIT TO PREVENT PRINTING MEDIUM FROM CONTACTING DEVELOPMENT CARTRIDGE - An image forming apparatus includes a printing medium feeder which feeds a printing medium a developing cartridge which forms an image on the printing medium; a fusing unit which fuses the image on the printing medium; and a contact preventing unit between the developing cartridge and the fusing unit and contacts opposite sides of the printing medium to prevent contact between the printing medium and the developing cartridge. | 01-08-2009 |
20090185198 | IMAGE FORMING APPARATUS - An image forming apparatus including: a plurality of medium trays to stack a print medium having an image formed thereon by an image forming unit; a driving source to momentarily apply a direction switching signal; a selector to select a carrying path of the print medium having the image formed thereon, the carrying path directing the print medium to one of the plurality of medium trays; and a switch unit connected to the driving source to set a position of the selector in order to direct the print medium along the carrying path according to the direction switching signal. Accordingly, power is only used momentarily to direct the print medium to a medium tray from among a plurality of medium trays. | 07-23-2009 |
20100044957 | MEDIUM PATH CONVERTING UNIT, IMAGE FORMING APPARATUS INCLUDING THE SAME AND CONTROL METHOD THEREOF - A medium path converting unit to reduce electrical stress, an image forming apparatus including the same and a control method thereof. The medium path converting unit to convert a moving path of a print medium can include a guiding member movable to a first position to guide the print medium to a first path and to a second position to guide the print medium to a second path, an actuator to move the guide member from the first position to the second position, an actuator solenoid to drive the actuator, and a locking unit to lock the actuator to allow the guiding member to maintain the second position. | 02-25-2010 |
20130279961 | PRINTING MEDIUM ALIGNMENT DEVICE WITH ROLLERS ATTACHED AND IMAGE FORMING APPARATUS HAVING THE SAME - A printing medium alignment device and an image forming apparatus having the same, the image forming apparatus includes a printing medium supply unit to supply a printing medium, a printing unit to print an image on the printing medium supplied from the printing medium supply unit, and a printing medium alignment device to align the printing medium fed toward the printing unit. The printing medium alignment device includes: a register roller; an idle roller to form a nip with the register roller, to feed the printing medium to the printing unit; a register to move to a first position to block the printing medium from entering the nip, to align the printing medium, and to move to a second position to allow the printing medium to enter the nip; and a shutter roller mounted in the register shutter. When the register shutter is in the second position, the shutter roller rolls while in contact with the printing medium, to decrease a friction between the printing medium and the register shutter. | 10-24-2013 |
Patent application number | Description | Published |
20110110521 | ELECTRONIC DEVICE AND NETWORK ACCESSING METHOD THEREOF - Disclosed are an electronic device enabling wireless networking through a wireless network and a network accessing method thereof, the electronic device including: a communicating unit which accesses the wireless network to perform wireless networking; an encoding unit which encodes a signal transmitted from or received by the communicating unit; and a controller which controls the encoding unit to encode identification information of the electronic device, in response to the electronic device being powered on, and controls the communicating unit to initiate an access to the wireless network based on the identification information encoded by the encoding unit. Accordingly, an automatic access to the wireless network is initiated when the electronic device is powered on, without any special manipulation by the user, thereby enhancing convenience to the user. | 05-12-2011 |
20120017257 | DISPLAY SYSTEM, DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A system and method of establishing a connection between a wireless terminal and a display apparatus of a display system includes comparing a signal strength of signals transmitted and received between the wireless terminal and the display apparatus, and automatically establishing the connection if it is determined that the signal strength is greater than or equal to a threshold value based on connection parameters in the signals. | 01-19-2012 |
20130100113 | RELAY APPARATUS, RELAY METHOD, AND 3D IMAGE SYSTEM - A relay apparatus is provided. The relay apparatus includes a receiving unit configured to receive an IR signal from a 3D display apparatus, a control unit configured to detect control information for driving 3D glasses included in the IR signal and generating a transmission packet according to an RF communication protocol based on the detected control information, and a communication unit configured to transmit the transmission packet to the 3D glasses. | 04-25-2013 |
20130128017 | GLASSES AND METHOD FOR PAIRING THEREOF - Glasses and a method for pairing thereof are provided. The method includes: if a preset event occurs, determining whether a transmission packet for driving the glasses has been received from a display apparatus; and if the transmission packet is determined not to have been received, automatically performing a pairing of the glasses with the display apparatus. | 05-23-2013 |
20130129358 | TERMINAL APPARATUS FOR AUTO PAIRING, REMOTE CONTROL APPARATUS AND METHOD THEREOF - A terminal apparatus for auto pairing and a remote control apparatus and method thereof are provided. The terminal apparatus includes an IR receiving unit configured to receive an IR signal including first identification information of an external apparatus from the external apparatus, a radio frequency (RF) communication unit configured to perform wireless communication with the external apparatus which transmit the IR signal including the first identification information, a storage unit configured to store a pairing list including identification information of at least one external apparatus, and a control unit configured to control the RF communication unit to perform pairing for wireless communication with the external apparatus according to whether or not identification information of at least one external apparatus in the pairing list corresponds to the received first identification information. | 05-23-2013 |
20130169765 | DISPLAY APPARATUS, IMAGE PROCESSING SYSTEM, DISPLAY METHOD AND IMAGING PROCESSING THEREOF - An image processing apparatus, an image processing system, and a method thereof are provided. The apparatus includes: a signal processor which receives a plurality of contents and constructs image frames of the respective contents; an outputter which operates in a first mode to output image frames of only one content, and in a second mode to combine and output the image frames of the plurality of contents; a video telephony processor including an image capturer to capture an image external to the apparatus, the video telephony processor connecting video telephony, if a request for video telephony is received via an external network; and a controller which controls the outputter to determine a combination of the image frames of the plurality of contents outputted through the signal processor, according to an operational status of the video telephony processor. | 07-04-2013 |
20130271659 | DISPLAY APPARATUS, REMOTE CONTROLLER AND CONTROL METHOD THEREOF - Disclosed are a display apparatus, a remote controller and a control method thereof. The display apparatus includes a connector which is connectable to a plurality of peripheral devices; an image processor which processes an image signal supplied by the peripheral devices; a display which displays an image thereon based on the image signal; a communicator which communicates with a remote controller controlling the plurality of peripheral devices; and a controller which selects one of the plurality of peripheral devices to display the image according to a user's input transmitted by the remote controller and transmits to the remote controller remote control information of the selected peripheral device. | 10-17-2013 |
20130335539 | MULTI-VIEW DEVICE, DISPLAY APPARATUS AND CONTROL METHODS THEREOF - A multi-view device includes a lens unit which operates to selectively transmit or block light; a communication unit which communicates with a display apparatus which is displaying an image; and a controller which receives, from the display apparatus via the communication unit, a beacon signal which synchronizes with a display period of the displayed image, controls an operation of the lens unit based on the beacon signal, and changes, via the communication unit, a reception frequency of the beacon signal based on information relating to a wireless communication environment level between the display apparatus and the multi-view device which is extracted from the beacon signal. | 12-19-2013 |
20140036044 | DISPLAY APPARATUS WHICH DISPLAYS A PLURALITY OF CONTENT VIEWS, GLASSES APPARATUS WHICH SYNCHRONIZES WITH ONE OF THE CONTENT VIEWS, AND METHODS THEREOF - A display apparatus is provided. The display apparatus includes: a video processor which, in a multi-view mode, processes a plurality of contents and generates a plurality of content views, a display which displays the plurality of content views, a sync signal generator which generates a sync signal regarding the plurality of content views, a communicator which transmits the sync signal, and a controller which, upon communicating with a glasses apparatus, transmits information on a target content view which is controllable from among the plurality of content views to the glasses apparatus. Accordingly, a newly-connected glasses apparatus may be directly synchronized with a target content view. | 02-06-2014 |
20140037104 | DISPLAY APPARATUS, DISPLAY SYSTEM, AND CONTROL METHOD THEREOF - Exemplary embodiments disclose a display apparatus, a display system, and a control method thereof, the display apparatus including: an image processing device configured to process an image signal; an audio processing device configured to process an audio signal; a communication device configured to conduct wireless communication with a peripheral and configured to transmit the audio signal processed by the audio processing device to an audio output device; and a controller configured to operate in a discoverable mode for wireless communication access of the communication device, and configured to control the communication device to conduct pairing of the audio output device configured to transmit a preset message and the display apparatus for the wireless communication, when the preset message is received from the audio output device. | 02-06-2014 |
20140063212 | DISPLAY APPARATUS, GLASSES APPARATUS AND CONTROL METHOD THEREOF - A display apparatus, a glasses apparatus and a control method are provided. The display apparatus includes a display which displays a plurality of contents, an audio signal processor which generates a single audio signal by signal-processing a plurality of audio data which correspond to each of the plurality of contents, and a communicator which transmits the signal-processed single audio signal to a glasses apparatus. | 03-06-2014 |
20140140531 | METHOD OF CONTROLLING A WIRELESS AUDIO SIGNAL - A method of controlling a wireless audio signal in order to avoid frequency interference between a display apparatus with a multi-view function and glasses with a function of receiving a wireless audio signal is provided. | 05-22-2014 |
20140146147 | APPARATUS AND METHOD FOR PERFORMING MULTI-VIEW DISPLAY - A display apparatus is provided, including a video processor configured to process video data of contents, a display configured to display content views using the video data processed by the video processor, a communication unit configured to communicate with an external device which is paired with the display apparatus, and a control unit configured to assign a remote control right to a content view corresponding to the remote control right switching command from among the content views based on whether the remote control right switching command is received from the external device. If a remote control signal is received, the control unit performs an operation corresponding to the remote control signal with respect to the content view having the remote control right. | 05-29-2014 |
20140362196 | DISPLAY APPARATUS WHICH DISPLAYS A PLURALITY OF CONTENT VIEWS, GLASSES APPARATUS WHICH SYNCHRONIZES WITH ONE OF THE CONTENT VIEWS, AND METHODS THEREOF - A display apparatus is provided. The display apparatus includes: a video processor which, in a multi-view mode, processes a plurality of contents and generates a plurality of content views, a display which displays the plurality of content views, a sync signal generator which generates a sync signal regarding the plurality of content views, a communicator which transmits the sync signal, and a controller which, upon communicating with a glasses apparatus, transmits information on a target content view which is controllable from among the plurality of content views to the glasses apparatus. Accordingly, a newly-connected glasses apparatus may be directly synchronized with a target content view. | 12-11-2014 |
20140368623 | DISPLAY APPARATUS PROVIDING MULTI-VIEW MODE AND METHOD FOR CONTROLLING THE SAME - A display apparatus is provided. The display apparatus includes a video processor configured to process a plurality of content and generate a plurality of contents views if a multi-view mode is executed, a display configured to display the plurality of content views, a synchronization signal generator configured to generate a synchronization signal for the plurality of content views, a communicator configured to transmit the synchronization signal, and a controller configured to control the communicator to transmit information on a type of the content provided in the multi-view mode to the at least one glasses device. | 12-18-2014 |
Patent application number | Description | Published |
20110018725 | HANDHELD SALINITY ANALYZER - Disclosed is a handheld salinity analyzer including a body, in which a circuit board and a battery are installed, a cell block provided with one end inserted into one end of the body and the other end on which a projecting part provided with a salinity sensor hole and a depressed part provided with a temperature sensor hole are formed, a salinity sensor inserted into the salinity sensor hole and provided with one end connected to the circuit board, a temperature sensor inserted into the temperature sensor hole and provided with one end connected to the circuit board, an ON/OFF switch installed on the end of the body, a light emitting lamp connected to the circuit board, and a body cover connected to the end of the body provided with the ON/OFF switch or to the cell block, and provided with an operating piece to operate the ON/OFF switch. | 01-27-2011 |
20110218739 | APPARATUS AND METHOD FOR MEASURING PUNGENCY OF RED PEPPER POWDER - An apparatus for measuring pungency of red pepper powder including: a near infrared measuring unit for measuring a spectrum of a reference material or a near infrared spectrum of red pepper powder that is an object of measurement according to a control signal using a near infrared sensor; a reference spectrum measuring unit for enabling the near infrared measuring unit to measure the spectrum of the reference material; a red pepper powder injecting unit for injecting a sample of the red pepper powder that is the object of measurement; a red pepper powder height equalizing unit for equalizing heights of the red pepper powder injected through the red pepper powder injecting unit in order to increase the accuracy of measurement; a red pepper powder transferring unit for transferring the red pepper powder that is the object of measurement via a transfer belt; a red pepper powder ejecting unit for ejecting the completely measured sample of the red pepper powder; a display unit for displaying an operation state or a degree of pungency of measurement result; a button unit; and a measurement controller for, if a reference spectrum measurement opening signal is detected, operating a reference spectrum measurement opening and closing unit, injecting the reference material, measuring the spectrum of the reference material using the near infrared measuring unit, if the reference spectrum measurement closing signal is detected, operating the reference spectrum measurement opening and closing unit, removing the reference material, closing the reference spectrum measurement opening and closing unit, injecting the red pepper powder, and measuring the near infrared spectrum of red pepper powder using the near infrared measuring unit, correcting near infrared spectrum data of the red pepper powder input from the near infrared measuring unit to the spectrum of the reference material, calculating a degree of pungency according to a capsaicinoids content measurement recurrence model, and displaying the degree of pungency on the display unit. | 09-08-2011 |
Patent application number | Description | Published |
20090020430 | ELECTRODE FOR CAPACITIVE DEIONIZATION DEVICE, METHOD OF MANUFACTURING THE ELECTRODE, AND CAPACITIVE DEIONIZATION DEVICE HAVING THE ELECTRODE - Disclosed herein is an electrode for capacitive deionization device including an active material, a waterborne polyurethane, and a conducting agent. Disclosed herein too is a method of manufacturing the electrode and a capacitive deionization device employing the electrode. | 01-22-2009 |
20100132414 | SOFT WATER FORMING DEVICE AND WASHING MACHINE INCLUDING THE SAME - A soft water forming device includes; a capacitive deionization stack (“CDI”) stack including at least one anode and at least one cathode that are separately and alternately stacked to adsorb ions contained in water, and a pumping unit which pumps one of water supplied to the CDI stack and water which has passed through the CDI stack, the pumping unit including; a casing have a water inlet and a water outlet and a rotor which rotates due to motive power supplied by an external motor and pumps the water supplied into the casing. | 06-03-2010 |
20100140096 | ELECTRODE FOR CAPACITIVE DEIONIZATION, CAPACITIVE DEIONIZATION DEVICE AND ELECTRIC DOUBLE LAYER CAPACITOR INCLUDING THE ELECTRODE - An electrode for capacitive deionization, the electrode including an active material having an oxygen/carbon (“O/C”) atomic ratio between about 0.1 and about 1 and a specific surface area between about 500 square meters per gram (“m | 06-10-2010 |
20100170784 | INTEGRATED ELECTRODE-CURRENT COLLECTOR SHEET FOR CAPACITIVE DEIONIZATION, CAPACITIVE DEIONIZATION DEVICE AND ELECTRIC DOUBLE LAYER CAPACITOR HAVING THE SAME - An integrated electrode-current collector sheet includes a current collector including uneven portions disposed on at least one side of the current collector; and an active material layer disposed on the current collector, the active material layer at least partially covering the uneven portions. In addition, disclosed are a capacitive deionization device and an electric double layer capacitor including the integrated electrode-current collector sheet. | 07-08-2010 |
20100181200 | TRANSITION METAL/CARBON NANOTUBE COMPOSITE AND METHOD OF PREPARING THE SAME - A transition metal/carbon nanotube composite includes a carbon nanotube and a transition metal oxide coating layer disposed on the carbon nanotube. The transition metal oxide coating layer includes a nickel-cobalt oxide | 07-22-2010 |
20110042205 | CAPACITIVE DEIONIZATION DEVICE - A capacitive deionization device includes; at least one flow path configured for influent water flow, at least one pair of electrodes, at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes, and at least one electrolyte solution disposed between the at least one electrode of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, wherein the at least one electrolyte solution is different in at least one of ionic concentration and ionic species from the influent water. | 02-24-2011 |
20110147212 | CAPACITIVE DEIONIZATION DEVICE - A capacitive deionization device includes; at least one flow path configured to receive influent fluid, at least one pair of electrodes, at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes, at least one electrolyte solution disposed between at least one of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, and at least one electrolyte compensation device in fluid communication with the at least one electrolyte solution, wherein the at least one electrolyte solution differs from the influent fluid. | 06-23-2011 |
20110162965 | DEIONIZATION DEVICE - A deionization device including at least one flow path configured for an influent fluid; at least one pair of electrodes; at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes; and at least one electrolyte solution disposed between at least one electrode of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, wherein at least one electrode of the at least one pair of electrodes includes an electrochemical redox active material, and the at least one electrolyte solution and the influent fluid are different. | 07-07-2011 |
20120093908 | METAL OXIDE STERILIZING CATALYST, AND STERILIZING DEVICE AND SYSTEM INCLUDING THE SAME - Disclosed is a sterilizing catalyst, a sterilizing device and a sterilizing system, the sterilizing catalyst includes a metal lattice including a metal oxide, and an oxygen vacancy-inducing metal that is integrated or encompassed within the metal lattice. The metal oxide is an oxide of a divalent or multivalent metal. The oxygen vacancy-inducing metal has an oxidation number lower than that of the divalent or multivalent metal. | 04-19-2012 |
20120187054 | REGENERABLE FILTER DEVICE AND METHOD OF DRIVING THE SAME - A filter device may include a filter unit including a first electrode and a second electrode that are arranged so as to be spaced apart and opposite to each other. At least one of the first and second electrodes may include an electrode material layer that is electrically conductive. The electrode material layer may include a metal-adsorbing material (metal adsorbent). A voltage applier for applying voltage to the first electrode and the second electrode for a desired amount of time based on the conditions after operation of the filter unit, and a method for driving the same. | 07-26-2012 |
20120228215 | Water Purifying Filter Including An Organic Material Adsorbent And Water Purifying System Including The Same - A water purifying filter may include an organic material adsorbent. The organic material adsorbent may include graphite with an interplanar spacing at the c-axis of about 0.3354 nm to 0.34 nm as measured by X-ray diffraction analysis (CuKα). A water purifying system may include the water purifying filter. | 09-13-2012 |
20120234763 | Regenerable Filter Unit, Regenerable Filter System Including The Same, And Method Of Operating Regenerable Filter System - A filter unit may include an electrode structure, a fluid-purifying flow path, and a pH adjusting chamber. The electrode structure may include a cathode, a cation exchange membrane, an anion exchange membrane, and an anode in that order. The fluid-purifying flow path may be at least one of a path in the cathode, between the cathode and the cation exchange membrane, between the anion exchange membrane and the anode, and in the anode. The fluid-purifying flow path may include an adsorption function. The pH adjusting chamber may be between the cation exchange membrane and the anion exchange membrane. The pH adjusting chamber may be configured to control the pH of the fluid in the fluid-purifying flow path. | 09-20-2012 |
20120241383 | REGENERABLE FILTER UNIT FOR REMOVING METAL, REGENERABLE FILTER SYSTEM INCLUDING THE SAME, AND METHOD OF OPERATING REGENERABLE FILTER SYSTEM - A filter unit may include a water permeable first electrode, a second electrode arranged so as to be spaced apart from and opposite to the first electrode, and a non-water permeable separator that is positioned between the first electrode and the second electrode. The first electrode may include a metal adsorbent (metal-adsorbing material) and thus may adsorb a metal included in the water. At least one of the first electrode and the second electrode may induce a water hydrolysis reaction to produce H | 09-27-2012 |
20130129592 | YTTRIUM HYDROXYCARBONATE MODIFIED WITH HETEROGENEOUS METAL, METHOD OF PREPARING THE SAME, AND ADSORBENT AND FILTER DEVICE INCLUDING THE SAME - Example embodiments relate to a yttrium hydroxycarbonate modified with a heterogeneous metal, a method of preparing the same, an adsorbent for a heavy metal including the same, and a filter device including the same. The modified yttrium hydroxycarbonate may have a pore size distribution with a pore diameter peak of less than or equal to 10 nm. | 05-23-2013 |
Patent application number | Description | Published |
20090059687 | Semiconductor memory device and layout method thereof - Example embodiments relate to a semiconductor memory device, for example, a semiconductor memory device including an efficient layout circuit and method thereof. The method may include sharing a first active area between a first precharger and a second precharger and sharing a second active area between a third precharger and a fourth precharger. The semiconductor memory device may include a level shifter configured to receive a first precharge control signal and boost a logic high level of the first precharge control signal to an external power supply voltage level to output a boosted first precharge control signal. The semiconductor memory device may further include first, second, third and fourth prechargers. The first and third prechargers may be configured to precharge data signals transmitted to a first and second pair of local input/output data lines to the first precharge voltage in response to the boosted first precharge control signal during a data read operation. | 03-05-2009 |
20090262564 | CIRCUIT WIRING LAYOUT IN SEMICONDUCTOR MEMORY DEVICE AND LAYOUT METHOD - An improved circuit wiring layout provides smooth circuit wiring in a peripheral circuit region adjacent to a memory cell region of a semiconductor memory device, and eliminates a write-speed limiting factor. Forming a metal (instead of a metal silicided polysilicon) wiring layer to be connected to a gate layer, to transmit an electrical signal to the gates of FET (e.g., MOSFET (Metal Oxide Semiconductor Field Effect Transistor) transistors formed in the peripheral circuit region; the metal wiring layer is formed (e.g., using one metal damascene process), on a layer different from a word line layer formed on the gate layer (e.g., using another metal damascene process), thereby obtaining a layout of a peripheral circuit region having a reduced area and without using a silicide process. | 10-22-2009 |
20100259963 | Data line layouts - A data line layout includes column selection lines arranged in a first direction at a layer on a memory cell array region, and data lines arranged in the first direction at the layer, the data lines being connected between I/O sense amplifiers and I/O pads. | 10-14-2010 |
20110032786 | SUB-WORD LINE DRIVER CIRCUIT AND SEMICONDUCTOR MEMORY DEVICE HAVING THE SAME - A sub-word line driver includes a substrate, a plurality of gate lines and at least one gate tab. The substrate includes a plurality of isolation areas and a plurality of active areas, where the two active areas are separated by each isolation area, and the isolation areas and the active areas are extended in a first direction and are arranged in a second direction perpendicular to the first direction. The plurality of gate lines are formed on the substrate, where the gate lines are extended in a second direction and are arranged in the first direction. The at least one gate tab is formed on the substrate, where the at least one gate tab is extended in the first direction to cover the isolation area. Incorrect operation of the sub-word line driver may be prevented, and a power consumption of the sub-word line driver may be reduced. | 02-10-2011 |
20110103168 | BIT LINE SENSE AMPLIFIER OF SEMICONDUCTOR MEMORY DEVICE HAVING OPEN BIT LINE STRUCTURE - In an embodiment, a bit line sense amplifier of a semiconductor memory device with an open bit line structure includes sense amplifier blocks, first voltage drivers, and a second voltage driver. The sense amplifier blocks include a first sense amplifier and a second sense amplifier, each sensing and amplifying a signal difference between a bit line and a complementary bit line. The first voltage drivers apply a power source voltage to the first sense amplifier, and the second voltage driver applies a ground voltage to the second sense amplifier. The first voltage drivers are disposed for every two or more sense amplifier blocks in a bit line sense amplifier region in which the sense amplifier blocks are arranged, and the second voltage driver is disposed in a conjunction region in which a control circuit is located to control the sense amplifier blocks. Both capacitive noise and device size are minimized. | 05-05-2011 |
20120174359 | SEMICONDUCTOR DEVICE HAVING FUNCTION OF IMPROVED ELECTROSTATIC DISCHARGE PROTECTION - A semiconductor device includes a diode region having a plurality of protection diodes and a pad region overlapped with an upper part of the diode region. The pad region having a pad installed corresponding to an external connection terminal. The semiconductor device further includes a contact plug unit which connects at least one of a plurality of active regions constituting the diode region and the pad within the diode region. | 07-12-2012 |
Patent application number | Description | Published |
20080211022 | Semiconductor device having a triple gate transistor and method for manufacturing the same - In a semiconductor capable of reducing NBTI and a method for manufacturing the same, a multi-gate transistor includes an active region, gate dielectric, channels in the active region, and gate electrodes, and is formed on a semiconductor wafer. The active region has a top and side surfaces, and is oriented in a first direction. The gate dielectric is formed on the top and side surfaces of the active region. The channels are formed in the top and side surfaces of the active region. The gate electrodes are formed on the gate dielectric corresponding to the channels and aligned perpendicular to the active region such that current flows in the first direction. In one aspect of the invention, an SOI layer having a second orientation indicator in a second direction is formed on a supporting substrate having a first orientation indicator in a first direction. A multi-gate transistor is formed on the SOI layer. The first direction and the second direction are the same, or the first direction is at 45 degrees with respect to the second direction. In another aspect of the invention, the intersection of the top and side surfaces of the active region are curved, further reducing NBTI. In another aspect of the invention, a multi-gate transistor is formed on a shallow trench isolation region of a bulk wafer. | 09-04-2008 |
20110147852 | LOW NOISE AND HIGH PERFORMANCE LSI DEVICE, LAYOUT AND MANUFACTURING METHOD - In semiconductor devices in which both NMOS devices and PMOS devices are used to perform in different modes such as analog and digital modes, stress engineering is selectively applied to particular devices depending on their required operational modes. That is, the appropriate mechanical stress, i.e., tensile or compressive, can be applied to and/or removed from devices, i.e., NMOS and/or PMOS devices, based not only on their conductivity type, i.e., n-type or p-type, but also on their intended operational application, for example, analog/digital, low-voltage/high-voltage, high-speed/low-speed, noise-sensitive/noise-insensitive, etc. The result is that performance of individual devices is optimized based on the mode in which they operate. For example, mechanical stress can be applied to devices that operate in high-speed digital settings, while devices that operate in analog or RF signal settings, in which electrical noise such as flicker noise that may be introduced by applied stress may degrade performance, have no stress applied. | 06-23-2011 |
20120168827 | SEMICONDUCTOR DEVICE HAVING A TRIPLE GATE TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME - In a semiconductor capable of reducing NBTI and a method for manufacturing the same, a multi-gate transistor includes an active region, gate dielectric, channels in the active region, and gate electrodes, and is formed on a semiconductor wafer. The active region has a top and side surfaces, and is oriented in a first direction. The gate dielectric is formed on the top and side surfaces of the active region. The channels are formed in the top and side surfaces of the active region. The gate electrodes are formed on the gate dielectric corresponding to the channels and aligned perpendicular to the active region such that current flows in the first direction. In one aspect of the invention, an SOI layer having a second orientation indicator in a second direction is formed on a supporting substrate having a first orientation indicator in a first direction. | 07-05-2012 |
20120168828 | SEMICONDUCTOR DEVICE HAVING A TRIPLE GATE TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME - In a semiconductor capable of reducing NBTI and a method for manufacturing the same, a multi-gate transistor includes an active region, gate dielectric, channels in the active region, and gate electrodes, and is formed on a semiconductor wafer. The active region has a top and side surfaces, and is oriented in a first direction. The gate dielectric is formed on the top and side surfaces of the active region. The channels are formed in the top and side surfaces of the active region. The gate electrodes are formed on the gate dielectric corresponding to the channels and aligned perpendicular to the active region such that current flows in the first direction. In one aspect of the invention, an SOI layer having a second orientation indicator in a second direction is formed on a supporting substrate having a first orientation indicator in a first direction. | 07-05-2012 |
20140117414 | SEMICONDUCTOR DEVICE HAVING A TRIPLE GATE TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME - In a semiconductor capable of reducing NBTI and a method for manufacturing the same, a multi-gate transistor includes an active region, gate dielectric, channels in the active region, and gate electrodes, and is formed on a semiconductor wafer. The active region has a top and side surfaces, and is oriented in a first direction. The gate dielectric is formed on the top and side surfaces of the active region. The channels are formed in the top and side surfaces of the active region. The gate electrodes are formed on the gate dielectric corresponding to the channels and aligned perpendicular to the active region such that current flows in the first direction. In one aspect of the invention, an SOI layer having a second orientation indicator in a second direction is formed on a supporting substrate having a first orientation indicator in a first direction. | 05-01-2014 |
20140332897 | Low Noise and High Performance LSI Device - In semiconductor devices in which both NMOS devices and PMOS devices are used to perform in different modes such as analog and digital modes, stress engineering is selectively applied to particular devices depending on their required operational modes. That is, the appropriate mechanical stress, i.e., tensile or compressive, can be applied to and/or removed from devices, i.e., NMOS and/or PMOS devices, based not only on their conductivity type, i.e., n-type or p-type, but also on their intended operational application, for example, analog/digital, low-voltage/high-voltage, high-speed/low-speed, noise-sensitive/noise-insensitive, etc. The result is that performance of individual devices is optimized based on the mode in which they operate. For example, mechanical stress can be applied to devices that operate in high-speed digital settings, while devices that operate in analog or RF signal settings, in which electrical noise such as flicker noise that may be introduced by applied stress may degrade performance, have no stress applied. | 11-13-2014 |
Patent application number | Description | Published |
20120119249 | LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - An LED and manufacturing method therefor. The LED comprises a compound semiconductor structure having first and second compound layers and active layer, first and second electrode layers atop the second compound semiconductor layer and connected to the two compound. An insulating layer is coated in regions other than where the first and second electrode layers are located. A conducting adhesive layer is formed atop the non-conductive substrate, connecting the same to the first electrode layer and insulating layer. Formed on one side surface of the non-conductive substrate and adhesive layer is a first electrode connection layer connected to the conducting adhesive layer. A second electrode connection layer on the other side surface is connected to the second electrode layer. | 05-17-2012 |
20130334552 | SEMICONDUCTOR LIGHT EMITTING ELEMENT, AND LIGHT EMITTING DEVICE - A semiconductor light emitting element includes a light emitting structure including a first conductivity type semiconductor layer, an active layer and a second conductivity type semiconductor layer. A first electrode structure includes a conductive via connected to the first conductivity type semiconductor layer. A second electrode structure is connected to the second conductivity type semiconductor layer. An insulating part having an open region exposes part of the first and second electrode structures while covering the first and second electrode structures. First and second pad electrodes are formed on the first and second electrode structures exposed by the open region and are connected to the first and second electrode structures. | 12-19-2013 |
20140106483 | VERTICAL NITRIDE-BASED LIGHT EMITTING DIODE HAVING OHMIC CONTACTPATTERN AND METHOD OF MANUFACTURING THE SAME - Provided is a vertical nitride-based LED including a first electrode; a first nitride semiconductor layer that is disposed on the first electrode; an active layer that is disposed on the first nitride semiconductor layer; a second nitride semiconductor layer that is disposed on the active layer; an ohmic contact pattern that is disposed on the second nitride semiconductor layer; a second electrode that is disposed on the ohmic contact pattern; and a bonding pad that is electrically connected to the second electrode and disposed on the second nitride semiconductor layer. | 04-17-2014 |
20140219303 | SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting device includes a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, a first electrode disposed below the light emitting structure, the first electrode being electrically connected to the first conductivity type semiconductor layer, a second electrode within the light emitting structure, the second electrode being electrically connected to the second conductivity type semiconductor layer, an insulating part electrically separating the second electrode from the first conductivity type semiconductor layer, the active layer, and the first electrode, a first pad electrode electrically connected to the first electrode, and a second pad electrode electrically connected to the second electrode, the second pad electrode being exposed to a top surface of the light emitting structure. | 08-07-2014 |
20140374772 | SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer. | 12-25-2014 |
Patent application number | Description | Published |
20080224628 | APPARATUS AND METHOD FOR DRIVING A LIGHT SOURCE, AND DISPLAY APPARATUS USING THE SAME - An apparatus and a method for driving a light source are provided. The apparatus includes a power converting unit which converts a direct current (DC) power into an alternating current (AC) power for driving the light source, and a control unit which controls the power converting unit to convert the DC power into the AC power according to a pulsewave. | 09-18-2008 |
20090021468 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus, includes: a display unit which displays a video; a light source unit having a plurality of light sources which are independently driven, and which illuminate the display unit; and a driving unit which drives the light source unit. The driving unit includes: a driving signal generating unit which generates a driving signal which has a first voltage level and a second voltage level so that the plurality of light sources can be independently driven, and a control unit which blocks or applies the driving signal to drive the light source unit based on a voltage level which is applied to the light source unit if the driving signal which is generated by the driving signal generating unit is the first voltage level. | 01-22-2009 |
20090027929 | POWER SUPPLY CIRCUIT OF IMAGE DISPLAY APPARATUS - A power supply circuit of an image display apparatus is provided. The power supply circuit uses a single DC-DC converter, and is capable of supplying low voltage when the image display apparatus is in standby mode, and supplying high voltage as required when the image display apparatus is in operating mode. As a result, power consumption and manufacturing costs are reduced. | 01-29-2009 |
20100007644 | BACKLIGHT ASSEMBLY, DISPLAY COMPRISING THE SAME AND CONTROL METHOD THEREOF - A backlight assembly, a display device including the backlight assembly and a control method thereof are provided. The backlight assembly includes: a DC converter which converts input alternating current (AC) power into direct current (DC) power at various levels; a light source unit which has at least one point light source; and a power supply unit which receives the DC power output by the DC converter, converts the DC power into output power having a preset reference current level and supplies the output power to the light source unit. | 01-14-2010 |
20100052558 | BACKLIGHT ASSEMBLY, DRIVING METHOD THEREOF AND DISPLAY APPARATUS - Disclosed are a backlight assembly, a driving method thereof and a display apparatus. The backlight assembly includes: a light source unit which has a plurality of point light source strings; a plurality of driving elements which are connected to the plurality of point light source strings; a detector which detects currents flowing in the plurality of point light source strings; and a light source driver which generates driving pulses to drive the plurality of driving elements in a linear operating region, adjusts duty ratios of the driving pulses based on at least one of the detected currents so that the currents flowing in the plurality of point light source strings are within a range. | 03-04-2010 |
20100156872 | IMAGE PROCESSING APPARATUS AND CONTROL METHOD THEREOF - An image processing apparatus, a power supply apparatus and a circuit apparatus, the image processing apparatus including a display unit which displays thereon an input image, and a power supply unit which outputs direct current power to drive the display unit, but gradually increases a voltage level of the direct current power. | 06-24-2010 |
20110057960 | BACKLIGHT APPARATUS AND DISPLAY APPARATUS INCLUDING THE SAME - A backlight apparatus and a display apparatus are provided. The backlight apparatus includes N first switch units to switch a plurality of currents flowing in respective N light emitting element arrays according to an input brightness control signal, N second switch units to switch a plurality of currents flowing in respective N capacitors according to the input brightness control signal, and a reference current generation unit to generate and output a reference current based on the input brightness control signal. An inverter unit adjusts a total current supplied to all of the light emitting element arrays in total to be equal to the reference current if the total current is different from the reference current. | 03-10-2011 |
20110222154 | 3D EYEGLASSES, CHARGING CRADLE, 3D DISPLAY APPARATUS AND SYSTEM FOR CHARGING 3D EYEGLASSES WIRELESSLY - Three-dimensional (3D) eyeglasses, a charging cradle, a 3D display apparatus, and a system for charging 3D eyeglasses wirelessly are provided. A pair of 3D eyeglasses which operates in association with the 3D display apparatus includes a wireless charging unit which generates electricity using a signal wirelessly received from an external apparatus, and a power supply unit which supplies power to the 3D eyeglasses using the electricity charged by the wireless charging unit. | 09-15-2011 |
20110234011 | POWER RECEIVING APPARATUS AND WIRELESS POWER TRANSCEIVING SYSTEM - A wireless power transceiving system includes a power transmitting apparatus which converts power into a resonance wave and transmits the resonance wave, and a power receiving apparatus which receives the transmitted resonance wave, and converts the resonance wave into DC power using a parallel resonant rectifier circuit that is impedance matched with impedance generated in the power receiving apparatus by parasitic components at a frequency of the resonance wave. | 09-29-2011 |
20110234012 | POWER RECEIVING APPARATUS AND WIRELESS POWER TRANSCEIVING SYSTEM - A wireless power transceiving system includes a power transmitting apparatus which converts power into a resonance wave and transmits the resonance wave, and a power receiving apparatus which receives the transmitted resonance wave and converts the resonance wave into DC power using a series resonant rectifier circuit which is impedance matched with impedance of the power receiving apparatus at a frequency of the resonance wave. | 09-29-2011 |
20110234186 | HIGH VOLTAGE POWER SUPPLY - A high voltage power supply is provided. The high voltage power supply includes a soft-start circuit unit which outputs a natural voltage that decreases exponentially as time elapses and converts the natural voltage into a forced voltage having a predetermined scale if an enable signal is applied, a controller which compares the natural voltage output from the soft-start circuit unit with a reference voltage and outputs a control signal, and a converting unit which delays outputting a final voltage during a first predetermined time period and outputs the final voltage, which gradually increases as time elapses according to the control signal. | 09-29-2011 |
20110234771 | APPARATUS, METHOD AND SYSTEM FOR SYNCHRONIZATION AND 3D DISPLAY APPARATUS USING THE SAME - Apparatus, method, and system for synchronization and a three-dimensional (3D) display apparatus using the same are provided. The 3D display apparatus includes: a power generator which generates power based on a received alternating current (AC) power signal, a detector which detects zero crossing points of time of the received AC power signal, and a controller which generates a reference signal based on the detected zero crossing points of time and transmits the reference signal to at least one other 3D display apparatus. | 09-29-2011 |
20110242853 | HIGH VOLTAGE POWER SUPPLY - A high voltage power supply is provided. The high voltage power supply includes an inverter which converts a DC voltage input to the high voltage power supply into a first AC voltage, a transformer including an input winding unit and a plurality of output winding units, wherein the input winding unit receives the first AC voltage from the inverter and the plurality of output winding units generates and outputs a second AC voltage, and a voltage multiplier unit which boosts the second AC voltage output by the transformer and outputs a boosted voltage, and the voltage multiplier unit includes a plurality of voltage multipliers which are connected to each other in series and the plurality of voltage multipliers may be connected to the plurality of output winding units respectively. | 10-06-2011 |
20120062173 | WIRELESS POWER SUPPLY APPARATUS, WIRELESS CHARGING APPARATUS, AND WIRELESS CHARGING SYSTEM USING THE SAME - A wireless charging apparatus and a wireless charging system using the same are provided. The wireless charging apparatus includes a sensing resonator that senses for an external device; a transmission resonator that transmits energy to the external device by magnetic resonance; and a transmission circuit that controls the transmission resonator in accordance with an output of the sensing resonator. | 03-15-2012 |
20130010008 | DISPLAY APPARATUS AND METHOD FOR DRIVING THE SAME - A display apparatus is disclosed. The display apparatus includes a display portion including a plurality of pixels; a voltage driving portion that provides voltages to the plurality of pixels; and a control portion which controls the voltage driving portion to provide the voltages to the plurality of pixels, each of the voltages corresponding to a characteristic of a respective type of pixel of the plurality of pixels. | 01-10-2013 |
20130169517 | POWER SUPPLYING APPARATUS, POWER SUPPLYING METHOD, ORGANIC LIGHT-EMITTING DIODE DISPLAY APPARATUS - A power supplying apparatus, a power supplying method, an organic light-emitting diode (OLED) display apparatus are provided. The OLED display apparatus includes: a plurality of components which are to perform an operation of the OLED display apparatus; a power supplying unit; a rectifier which rectifies an input voltage supplied from the power supplying unit; and a voltage level converter which converts a level of the input voltage rectified by the rectifier and supplies the input voltage having the converted level to the plurality of components. | 07-04-2013 |
20130176296 | DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A display apparatus and driving method is provided. The display apparatus includes a power supply unit which supplies a DC voltage, a switch unit which is connected to the power supply unit in series and performs a switching operation according to different switching signals, a transformer unit which switches a voltage applied to primary winding to secondary winding according to the switching operation of the switch unit, a synchronous rectifying unit which performs synchronous rectification with respect to the voltage induced to the secondary winding, and an output unit which outputs the rectified DC voltage. | 07-11-2013 |
20140253815 | INPUT APPARATUS, DISPLAY APPARATUS, AND CONTROL METHODS THEREOF - A display apparatus is provided. The display apparatus includes a communicator configured to communicate with an input apparatus comprising a touch pad, and receive coordinate data corresponding to a dragging trajectory input through the touch pad. The display apparatus also includes a display configured to display the dragging trajectory on a screen based on the received coordinate data; and a controller configured to recognize a number or character corresponding to the dragging trajectory based on the received coordinate data, and provide visual feedback adjusting the displayed dragging trajectory according to a recognition result. | 09-11-2014 |
20140354168 | POWER SUPPLY AND METHOD FOR CONTROLLING THE SAME - A power supply includes an inputter including an input capacitor and configured to receive an input DC voltage, a converter including an output capacitor and configured to convert the input DC voltage and to output the converted DC voltage, and a controller configured to control the converter to output a voltage corresponding to a reference voltage. | 12-04-2014 |
Patent application number | Description | Published |
20090135963 | Apparatus and method for adaptive receive signal decoding based on channel variation in communication system - An apparatus for adaptively decoding based on a channel variation at a receiver of a communication system supporting an Alamouti mode is provided. The apparatus includes a channel variation estimator for estimating the channel variation; a channel estimator for estimating a channel value of successive channel periods or a channel value of each channel period by comparing the estimated channel variation with a threshold; an Alamouti decoder for decoding a receive signal using an Alamouti method when the estimated channel variation is less than or equal to the threshold; and a Spatial Multiplexing (SM) decoder for decoding the receive signal using an SM method having a square channel matrix when the estimated channel variation is greater than the threshold. | 05-28-2009 |
20090141835 | Apparatus and method for receiver in multiple antenna system - Detection apparatus and method for achieving performance close to a Maximum Likelihood (ML) detection having optimal performance and reducing computational complexity in a Multiple-Input Multiple-Output (MIMO) system including a plurality of transmit antennas and receive antennas are provided. The apparatus includes a hard decision part for confirming an initial hard decision value of a receive symbol vector; a candidate symbol selector for selecting candidate symbols restricted to neighbor values of the initial hard decision value; and an interference canceller for canceling interference in the selected candidate symbols and selecting a final candidate symbol from the received symbols using a result of the interference cancellation. | 06-04-2009 |
20090323843 | METHOD AND APPARATUS FOR ESTIMATING SYMBOL TIMING OFFSET IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for estimating a symbol timing offset in an Orthogonal Frequency Division Multiplexing (OFDM) based communication system are provided. A Carrier to Interference Ratio (CIR) of an Reference Signal (RS) is acquired using received pilot signals. The RS CIR includes power information on channel components of the RS. A CIR of a Secondary Synchronization Channel (S-SCH) is acquired using the received pilot signals. The S-SCH CIR includes power information on channel components of the S-SCH. Unnecessary channel components are suppressed from the RS CIR using the S-SCH CIR. Real channel components of the RS remain. An observation window is set having a predetermined duration for windowing the real channel components of the RS. A first arriving channel component is searched for within the observation window. A start point of data is estimated using the first arriving channel component. | 12-31-2009 |
20110051861 | METHOD AND APPARATUS FOR RECEIVING IN MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM - A receiving method and apparatus in a Multiple-Input Multiple-Output (MIMO) communication system are provided. The method includes receiving reception signals through a plurality of reception antennas, grouping symbols corresponding to the reception signals, respectively, into a preset number of groups, and rearranging symbols of the respective groups, transforming the reception signals by applying QR decomposition to the reception signals, sequentially canceling interference due to each of total possible candidate symbols for a first symbol based on an order of the rearranged symbols in the transformed reception signals, determining a portion of the total possible candidate symbols to be a candidate symbol set for each remaining symbol, except for the first symbol, using the interference-canceled reception signal, and determining log-likelihood ratio values of the first symbol, which are to be used upon decoding the received signals, using candidate symbols for the first symbol and each remaining symbol. | 03-03-2011 |
20110188615 | APPARATUS AND METHOD FOR DETECTING SIGNAL IN A SPATIAL MULTIPLEXING MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM - A Spatial Multiplexing Multiple Input Multiple Output (SM-MIMO) communication system, which generates a Q matrix and an R matrix through QR decomposing a channel matrix in an array order corresponding to an order of transmission antennas of a signal transmission device, determines a detection order of transmission symbols included in a transmission symbol vector, QR decomposes a reception signal vector and generates the QR decomposed reception signal vector as a transformed reception signal vector, substitutes all of transmittable candidate symbols for a transmission symbol corresponding to a first detection order among the transmission symbols and sequentially removes interference in the transformed reception signal vector, detects candidate symbols of transmission symbols corresponding to a remaining detection order from the interference-removed transformed reception signal vector, combines the detected candidate symbols, detects candidate symbol vectors, and calculates Log-Likelihood Ratio values of bits included in the transmission symbols by using the detected vectors. | 08-04-2011 |
Patent application number | Description | Published |
20080310325 | METHOD FOR CONSTRUCTING VIRTUAL BACKBONE IN WIRELESS SENSOR NETWORK - Disclosed is a method for constructing a virtual backbone in a Wireless Sensor Network (WSN). The method including the steps of setting a ‘Dominator’ status for a gateway or a sink node within the WSN, setting a ‘CoveredByDominator’ status for each neighbor node positioned in the transmission range of a node for which the ‘Dominator’ status is set, and setting a ‘NULL’ status for each of the other nodes, transmitting a beacon frame by periods from each node to neighbor nodes thereof within the WSN, receiving, by each node in the ‘CoveredByDominator’ status, the beacon frame from neighbor nodes thereof in the ‘NULL’ status, computing a time duration of a defer timer, and enabling the defer timer to operate by the computed time duration; and changing, to the ‘Dominator’ status, a status of a node whose defer timer expires earliest among the nodes all having the ‘CoveredByDominator’ status. | 12-18-2008 |
20090168670 | WIRELESS SENSOR NETWORK AND METHOD FOR CONFIGURATION THEREOF - A wireless sensor network and a method for configuration thereof are includes a plurality of sensor nodes and a sink node. The network configuration method includes collecting location information about the sensor nodes by the sink node, setting the sensor nodes, which have sensing regions include a transmitting region of the sink node, to an active node based on the location information, and configuring a network composed of the active nodes. Dead nodes are detected by the sink node, and inactive nodes are activated to reconfigure the network as needed due to the detected dead nodes. | 07-02-2009 |
20100172258 | METHOD AND APPARATUS FOR ROUTING PACKET - Disclosed is a packet routing method in an ad-hoc network. The method includes periodically calculating a link stability with respect to each neighbor node by means of the number of beacon frames lost within an update period for each neighbor node, updating the calculated link stability in the neighbor node table; identifying a neighbor node which is closer to a destination node of a received packet than the node when the node itself does not correspond to the destination node; and transmitting the received packet to the identified neighbor node when the identified link stability of the neighbor node is greater than or equal to a threshold value. | 07-08-2010 |
20120173767 | APPARATUS AND METHOD FOR REMOTELY CONTROLLING PERIPHERAL DEVICES IN MOBILE COMMUNICATION TERMINAL - According to one embodiment, a method for remotely controlling peripheral devices in a mobile communication terminal includes acquiring a profile for a controlled peripheral device, configuring a control application for the controlled peripheral device based on the acquired profile, and controlling the controlled peripheral device using the configured control application. | 07-05-2012 |
20130070968 | APPARATUS AND METHOD FOR CALCULATING ENERGY CONSUMPTION BASED ON THREE-DIMENSIONAL MOTION TRACKING - An apparatus and method calculate an energy consumption based on 3D motion tracking. The method includes setting at least one specific portion of an analysis target as a reference point, analyzing the reference point before and after the lapse of a predetermined time, and determining an energy consumption of the analysis target on the basis of the analyzed reference point. | 03-21-2013 |
Patent application number | Description | Published |
20090049640 | Robot cleaner system having robot cleaner and docking station - A robot cleaner system having an improved docking structure to allow a dust discharge port of a robot cleaner to come into close contact with a dust suction port of a docking station without an additional drive device. The robot cleaner system includes a robot cleaner having a dust discharge port, a docking station having a dust suction port to suction dust collected in the robot cleaner, and a docking device to perform a seesaw movement as it comes into contact with the robot cleaner when the robot cleaner docks with the docking station, so as to allow the dust suction port to come into close contact with the dust discharge port. The docking device further includes a link member installed in the docking station in a pivotally rotatable manner. The link member has one end provided with a contact portion to come into contact with the robot cleaner, and the other end provided with a docking portion defining the dust suction port therein. | 02-26-2009 |
20090301798 | Walking robot - Disclosed is a walking robot having an improved driving structure for a pitch-direction femoral joint and a knee joint. The walking robot includes a pitch-direction actuator driving the pitch-direction femoral joint to rotate a femoral link relative to a body in a pitch direction, and a power transmission unit transferring driving force of the pitch-direction actuator to the knee joint to rotate the lower leg link relative to the femoral link in the pitch direction. | 12-10-2009 |
20090308188 | Robot joint driving apparatus and robot having the same - Disclosed are a robot joint driving apparatus and a robot having the same. The robot joint driving apparatus includes a driving motor being rotatable in forward and reverse directions; a pair of movable members connected to the driving motor, and moving rectilinearly in mutually opposite directions according to the rotation of the driving motor; a wire provided with both ends respectively connected to the pair of movable members; and a joint unit, on which the wire is wound, driven by the movement of the wire. | 12-17-2009 |
20090320638 | DRIVING APPARATUS AND ROBOT HAVING THE SAME - A driving apparatus includes a driving unit, a driven unit separated from the driving unit at a separation space so as not to contact the driving unit, and rotated by rotary force generated from the driving unit, a cable connecting the driving unit and the driven unit, and to transmit the rotary force to the driven unit, and pressure units provided in the separation space, and to pressurize the cable in a direction of approaching opposite portions of the cable to each other to generate a tensile strength of the cable. Since the cable transmitting the rotary force of the driving unit to the driven unit has sufficient tensile strength, preventing the generation of slip of the cable from the driving unit and the driven unit is possible, and thus to allow the rotary force to be transmitted to the driven unit without a loss. | 12-31-2009 |
20100162846 | Robot joint driving apparatus and robot having the same - Disclosed are a robot joint driving apparatus and a robot having the same, capable of minimizing tension of a wire applied to a movable member by installing an idle pulley in a power transmission structure using a ball screw apparatus and the wire. The robot joint driving apparatus includes a reversible drive motor, a pair of movable members performing a linear movement according to rotation of the reversible drive motor, a wire connected to the movable members from both directions of the movable members, an idle pulley rotatably installed at one side of the wire, a joint part rotatably installed at an opposite side of the wire, and an adjustment unit to adjust tension of the wire. | 07-01-2010 |
20110056321 | ROBOT JOINT DRIVING METHOD, COMPUTER-READABLE MEDIUM, DEVICE ASSEMBLY AND ROBOT HAVING THE SAME - Disclosed herein are a robot joint driving method, computer-readable medium, and device assembly which conducts motions similar to those of humans, and a robot having the same. These motions are achieved by arranging joint driving devices suited to characteristics of respective joints. The robot joint driving device assembly includes a tendon-type joint driving device using a wire, and a harmonic drive-type joint driving device using a gear reduction method. The tendon-type joint driving device is used to drive a rotary joint requiring high back-drivability, and the harmonic drive-type joint driving device is used to drive a rotary joint requiring high rigidity and high precision. | 03-10-2011 |
20110164949 | COMPACT EXOSKELETON ARM SUPPORT DEVICE TO COMPENSATE FOR GRAVITY - A compact exoskeleton arm support device compensates for gravity. The compact exoskeleton arm support device compensating for gravity may include at least five joints. Among the at least five joints, two joints may be driven by actuators, and the remaining joints may be driven by user force. The compact exoskeleton arm support device compensating for gravity effectively uses the actuators, thereby increasing operating efficiency and reducing production costs. | 07-07-2011 |
20110167945 | ROBOT JOINT DRIVING APPARATUS, ROBOT HAVING THE SAME AND CABLE LINKAGE METHOD OF ROBOT JOINT DRIVING APPARATUS - A robot joint driving apparatus has an improved structure, a robot having the same, and a cable linkage method of the robot joint driving apparatus. In the robot joint driving apparatus, lines of a cable to drive a robot joint unit are connected plural times in parallel, thereby increasing torsional stiffness of the robot joint unit. Further, a cable fixing unit is provided on an output pulley, thereby preventing slippage of the cable on the output pulley. Moreover, the overall size of the robot joint driving apparatus is reduced due to an improved power transmission structure from a driving motor to the output pulley. | 07-14-2011 |
20120060320 | ROBOT CLEANER SYSTEM HAVING ROBOT CLEANER AND DOCKING STATION - A robot cleaner system includes docking structure to allow a dust discharge port of a robot cleaner to come into close contact with a dust suction port of a docking station without an additional drive device. The robot cleaner system includes a robot cleaner having a dust discharge port, a docking station having a dust suction port to suction dust collected in the robot cleaner, and a docking device to perform a seesaw movement as it contacts the robot cleaner when the robot cleaner docks with the docking station, to allow the dust suction port to come into close contact with the dust discharge port. The docking device includes a link member installed in the docking station in a pivotally rotatable manner, one end having a contact portion to come into contact with the robot cleaner, and the other end having a docking portion defining the dust suction port therein. | 03-15-2012 |
20120087480 | RADIOGRAPHY SYSTEM AND MOVING METHOD THEREOF - A radiography system is provided. The radiography system includes a radiographic device arranged in a movable manner, a measuring device to measure at least one of external force and torque applied to the radiographic device, and a drive device to move the radiographic device based on a direction and magnitude of the at least one of the force and torque measured by the measuring device. | 04-12-2012 |
20120207274 | X-RAY IMAGING SYSTEM AND POSITIONING METHOD OF THE SAME - Disclosed are an X-ray imaging system and a positioning method of the same that automatically measure a relative positional relationship between devices. According to an aspect, an X-ray imaging system may include: a movable imaging device having a sensor; one or more beacons; a controller configured to analyze position information recognized by the sensor, to compare a relative position between the imaging device and the one or more beacons and to determine a position of the imaging device based on a positional error; and a drive device configured to move the imaging device to the position determined by the controller. | 08-16-2012 |
20130121477 | RADIOGRAPHIC APPARATUS AND CONTROL METHOD THEREOF - A radiographic apparatus includes an X-ray source unit, a measurement unit configured to measure either one or both of a force and a torque applied to the X-ray source unit, at least one motor configured to move the X-ray source unit, and a system control unit configured to control the at least one motor to move the X-ray source unit according to a direction and a magnitude of the either one or both of the force and the torque measured by the measurement unit. | 05-16-2013 |
20140119516 | RADIOGRAPHY SYSTEM AND MOVING METHOD THEREOF - A radiography system is provided. The radiography system includes a radiographic device arranged in a movable manner, a measuring device to measure at least one of external force and torque applied to the radiographic device, and a drive device to move the radiographic device based on a direction and magnitude of the at least one of the force and torque measured by the measuring device. | 05-01-2014 |
20140321621 | RADIOGRAPHIC APPARATUS AND CONTROL METHOD THEREOF - A radiographic apparatus includes an X-ray source unit, a measurement unit configured to measure either one or both of a force and a torque applied to the X-ray source unit, at least one motor configured to move the X-ray source unit, and a system control unit configured to control the at least one motor to move the X-ray source unit according to a direction and a magnitude of the either one or both of the force and the torque measured by the measurement unit. | 10-30-2014 |
20140328456 | RADIOGRAPHIC SYSTEM AND CONTROL METHOD THEREOF - A radiographic system includes a photographic unit; an operating panel including a button configured to be pressed to indicate that a movement direction of the photographic unit is to be limited to a specific movement direction; a measurement unit provided between the operating panel and the photographic unit and configured to measure a magnitude and a direction of an external force applied to the operating panel; and a drive unit configured to move the photographic unit only in the specific movement direction based on the magnitude and the direction of the external force measured by the measurement unit in response to the button being pressed. | 11-06-2014 |
20150043716 | RADIOGRAPHIC SYSTEM AND CONTROL METHOD THEREOF - A radiographic system includes a photographic unit; an operating panel including a button configured to be pressed to indicate that a movement direction of the photographic unit is to be limited to a specific movement direction; a measurement unit provided between the operating panel and the photographic unit and configured to measure a magnitude and a direction of an external force applied to the operating panel; and a drive unit configured to move the photographic unit only in the specific movement direction based on the magnitude and the direction of the external force measured by the measurement unit in response to the button being pressed. | 02-12-2015 |