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Dong Hee

Dong Hee Han, Chungju KR

Patent application numberDescriptionPublished
20110057290FUSE OF SEMICONDUCTOR DEVICE AND METHOD FOR FORMING THE SAME - A fuse of a semiconductor device comprises: a fuse pattern formed on a semiconductor substrate; an insulating film covering one side of the fuse pattern and including a trench; a conductive line disposed on the insulating film including the trench. The fuse of the semiconductor device prevents generation of cracks in a fuse box by thermal and physical stress, thereby improving reliability of the semiconductor device.03-10-2011

Dong Hee Han, Hwasung-Si KR

Patent application numberDescriptionPublished
20100217901Wireless Universal Serial Bus Apparatus and Operating Method Thereof - A wireless universal serial bus (WUSB) apparatus and an operating method thereof includes a WUSB host inserting time information about when a next micro-scheduled management command (MMC) packet will be sent in a WUSB channel stop information element (IE), generating and sending an MMC packet including the WUSB channel stop IE to a WUSB device, the WUSB device receiving the MMC packet including the WUSB channel stop IE from the WUSB host, extracting the time information from the WUSB channel stop IE about when the next MMC packet will be sent, and performing synchronization with the WUSB host based on the time information.08-26-2010

Dong Hee Jang, Seoul KR

Patent application numberDescriptionPublished
20100213298TRANSFER UNIT HAVING TRANSFER ROTOR AND FOOD WASTE TREATMENT APPARATUS USING THE SAME - The present invention provides a transfer unit having a transfer rotor and a food waste treatment apparatus using the transfer unit. The transfer unit includes the transfer rotor, a housing and a sieve. The transfer rotor includes a rotor body, and at least one blade provided on the circumferential outer surface of the rotor body. The housing has a hollow container shape and contains the transfer rotor therein such that the transfer rotor is rotatable without interference from the housing. The housing is inclined at a predetermined angle with respect to the horizontal plane. The sieve is provided in the housing to guide discharge of sewage from food waste. The sieve is disposed in the lower portion of the housing to drain the sewage generated from the food waste to the outside of the housing.08-26-2010

Dong Hee Kang, Seoul KR

Patent application numberDescriptionPublished
20090262719Apparatuses and methods for beamforming in a multiple input multiple output (MIMO) wireless communication system based on hybrid division duplex - Beamforming in a Multiple Input Multiple Output (MIMO) wireless communication system is provided. An apparatus includes an estimator for estimating a channel matrix of at least one terminal compliant with a Time Division Duplex (TDD) scheme; a processor for confirming information indicative of a channel matrix fed back from at least one terminal compliant with a Frequency Division Duplex (FDD) scheme; and a controller for determining precoding vectors or terminals to be connected in a spatial multiple access manner, using the channel matrix of the at least one terminal compliant with the TDD scheme and a principal vector of the at least one terminal compliant with the FDD scheme.10-22-2009
20100222070COMMUNICATION SYSTEM INCLUDING A FEMTO BASE STATION AND A COMMUNICATION TERMINAL, AND A COMMUNICATION METHOD THEREOF - Apparatuses and methods of transmitting a signal with reduced interference in a femto base station including a plurality of antennas having different radiation patterns are provided. A method includes transmitting common information through the plurality of antennas having the different radiation patterns; receiving feedback information corresponding to the common information; analyzing the feedback information; temporarily selecting one of the plurality of antennas as a transmission antenna, based on a result of the analyzing; and transmitting user information through the transmission antenna.09-02-2010

Dong Hee Kim, Seoul-City KR

Patent application numberDescriptionPublished
20100036878System for Extracting Reduced Information of Multimedia Digital Content and System and Method for Displaying Multiple Content Using Reduced Information - Disclosed herein is a system for extracting the reduced information of multimedia digital content. The system includes an image variation-related color table database, a volume/tempo variation-related color table database, a default value and environment information database, digital content reduced information extraction means, and storage means. The digital content reduced information extraction means extracts the reduced information of multimedia digital content, which is received when the multimedia digital content, including moving image data, audio data and/or image data. The storage means stores the pieces of reduced information, including thumbnail images, image clips/low-quality images, video clips, audio visualization moving images, audio representative colors, variation-related colors, and image representative colors, which are extracted by the digital content reduced information extraction means.02-11-2010

Dong Hee Kim, Jeonju KR

Patent application numberDescriptionPublished
20110194513METHOD FOR CONTROLLING TRANSMITTING POWER OF CONTROL CHANNEL OF CSG PICO BASE STATION - Provided is a method of controlling a transmit power of a control channel transmitted from a pico base station. The pico base station may control the transmit power of the control channel based on a position of a macro terminal adjacent to the pico base station. When the macro terminal is positioned within a coverage of the pico base station, the pico base station enables the macro terminal to receive a control signal without interference from the macro base station by decreasing the transmit power of the control channel.08-11-2011

Dong Hee Kim, Seoul KR

Patent application numberDescriptionPublished
20090215485METHOD AND APPARATUS FOR CONTROLLING A REVERSE TRAFFIC RATE IN A MOBILE COMMUNICATION SYSTEM - A method and apparatus for controlling an uplink transmission power in a mobile station of a mobile communication system. The method includes transmitting uplink data in a first transmission interval, receiving a transmission power control information over a downlink control channel, and determining a transmission power of uplink data to be transmitted in a second transmission interval. The transmission power is determined based on the received transmission power control information and a transmission power of the uplink data transmitted in the first transmission interval. The first transmission interval and the second transmission interval are included in a same Hybrid Automatic Retransmission reQuest (HARQ) process.08-27-2009
20090245101APPARATUS AND METHOD FOR TRANSMITTING REVERSE PACKET DATA IN MOBILE COMMUNICATION SYSTEM - A method for controlling a reply signal transmission in a mobile communication system. The method includes determining whether an error is detected in the received data through the radio channel, generating a reply signal according to the error detection, determining a repetition control signal with a value that differs according to a data transmission rate, repeatedly replicating the reply signal according to the repetition control signal, and transmitting the replicated reply signal through the radio channel.10-01-2009
20090262720METHOD AND APPARATUS FOR CONTROLLING A REVERSE TRAFFIC RATE IN A MOBILE COMMUNICATION SYSTEM - A method and apparatus for controlling an uplink data rate in a mobile station of a mobile communication system. The apparatus includes a receiver for receiving control information based on uplink data transmitted in a first transmission interval, a controller for determining an adjusted data rate for uplink data to be transmitted in a second transmission interval, the adjusted data rate being determined based on the received control information and a data rate of the uplink data in the first transmission interval, and a transmitter for transmitting the uplink data in the second transmission interval according to the adjusted data rate. The first transmission interval and the second transmission interval are separated by at least one transmission interval.10-22-2009
20100148349Semiconductor Package Having Support Chip And Fabrication Method Thereof - A semiconductor package having a support chip and a fabrication method thereof. The semiconductor package includes a circuit substrate having a conductive pattern on the top surface. A first semiconductor die is attached on top of the circuit substrate. A second semiconductor die is attached on top of the first semiconductor die. Each of the first and second semiconductor dies has a plurality of bond pads on the top surface. A support chip is attached on top of the first semiconductor die and has a plurality of bond pads provided on the top surface. The conductive wires electrically connect the first semiconductor die and the second semiconductor die to the circuit substrate, the second semiconductor die to the support chip, the bond pads of the support chip to each other, and the support chip to the circuit substrate. An encapsulant encloses, as in a capsule, the foregoing components.06-17-2010
20120072106LOCATION BASED SERVICE SYSTEM AND METHOD FOR PERFORMING INDOOR NAVIGATION - Embodiments for performing an indoor navigation are disclosed. The location based service system includes: a plurality of access points installed in an indoor environment and configured to send Wi-Fi signals including access point identification information; a mobile terminal configured to receive a Wi-Fi signal from at least one of the access points and form a first Wi-Fi fingerprint based on the received Wi-Fi signal; and a navigation service server configured to construct a plurality of Wi-Fi radio maps based on a plurality of second Wi-Fi fingerprints acquired at locations of the indoor environment, select a Wi-Fi radio map for estimating a location of the mobile terminal among the plurality of Wi-Fi radio maps, estimate the location the mobile terminal by using a second Wi-Fi fingerprint corresponding to the first Wi-Fi fingerprint based on the selected Wi-Fi radio map, and form location information including the estimated location.03-22-2012

Patent applications by Dong Hee Kim, Seoul KR

Dong Hee Lim, Seoul KR

Patent application numberDescriptionPublished
20120123591APPARATUS AND METHOD FOR AUTOMATICALLY MIXING PHOSPHOR - An apparatus and method for automatically mixing a phosphor are provided, which are capable of automatically supplying accurate quantities of a phosphor and silicon to a mixing container using a phosphor supply unit and a silicon supply unit.05-17-2012

Dong Hee Park, Seoul KR

Patent application numberDescriptionPublished
20100032645AC-DRIVEN LIGHT EMITTING DEVICE HAVING SINGLE ACTIVE LAYER STRUCTURE AND MANUFACTURING METHOD THEREOF - The present invention relates to an AC voltage-driven light emitting device having a single active layer of a core-shell structure (p-i-n structure) in which intrinsic semiconductor nanocrystals, exciton combination centers, are uniformly and isotropically distributed around p-type polymer particles, and n-type small molecular particles surround the semiconductor nanocrystals and p-type polymer, and a manufacturing method thereof. An active layer of a core-shell structure using a polymer-semiconductor nano hybrid in the light-emitting device has an inversion symmetry characteristic showing the same current-voltage characteristic during application of a voltage in a forward direction and a reverse direction. Therefore, due to this inversion symmetry characteristic, the light emitting can be driven by even an AC voltage. Also, since the device can be driven by an AC voltage, limitations of an existing DC voltage-driven organic light emitting diode, that is, destruction or a defect of the device by an overcurrent and generation of a dark spot by degradation of local constituent organic materials are solved.02-11-2010
20100294355SOLAR CELL DEVICE COMPRISING A CONSOLIDATED CORE/SHELL POLYMER-QUANTUM DOT COMPOSITE AND METHOD OF THE PREPARATION THEREOF - A high-efficiency solar cell device of the present invention comprising an active layer composed of a p-i-n form polymer-quantum dot composite having a consolidated core/shell structure which is formed by heating a coating layer of a solution of an organic-inorganic mixture of a p-type organic polymer, an n-type organic compound, and a semiconductor quantum dot dissolved in an organic solvent is capable of overcoming the shortcoming of the conventional solar cell devices having a multi-layered thin film structure.11-25-2010
20100328328HYBRID ELECTRIC DEVICE USING PIEZO-ELECTRIC POLYMER SUBSTRATE AND ITS FABRICATION METHOD - The present invention relates to an integrated, composite hybrid electric device in which various devices are formed as a single unit on one flexible substrate, and a fabrication method thereof. More particularly, the present invention a hybrid electric device in which a display device, a vibration-generating (or vibration-sensing) device, and a non-volatile memory device are formed on a single flexible piezoelectric polymer substrate into a single unit by using a flexible piezoelectric polymer substrate whose both surfaces are thinly deposited with a patterned transparent oxidation electrode, and a fabrication method thereof.12-30-2010

Dong Hee Seo, Eumseong-Gun KR

Patent application numberDescriptionPublished
20090108310CMOS image sensor and fabricating method thereof - A CMOS image sensor and fabricating method thereof are disclosed, by which a light condensing effect is enhanced by providing an inner microlens to a semiconductor substrate. The present invention includes a plurality of photodiodes on a semiconductor substrate, a plurality of inner microlenses on a plurality of the photodiodes, an insulating interlayer on a plurality of the inner microlenses, a plurality of metal lines within the insulating interlayer, a device protecting layer on the insulating interlayer, and a plurality of microlenses on the device protecting layer.04-30-2009

Dong Hee Shin, Seoul KR

Patent application numberDescriptionPublished
20120062523LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display, the liquid crystal display comprises a plurality of gate lines which includes a first gate line, a transformation gate line, and a second gate line; a data line; and a pixel, wherein the pixel includes a first liquid crystal capacitor which includes a first sub-pixel electrode and a common electrode and a second liquid crystal capacitor which includes a second sub-pixel electrode and a common electrode; a first switching element connected to the first gate line, the data line, and the first sub-pixel electrode; a second switching element connected to the first gate line, the data line, and the second sub-pixel electrode; a third switching element connected to the transformation gate line and the second switching element; a transformation capacitor which includes a first terminal connected to the second gate line and a second terminal connected to the third switching element; and a first period where a gate-on voltage Von is applied to the first gate line and a second period where the gate-on voltage Von is applied to the transformation gate line do not overlap each other and, a gate-off voltage Voff is applied to the second gate line during the second period.03-15-2012
20120105398GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME - Provided is a gate driving circuit including cascade-connected stages that output gate signals. An n-th one of the stages (ā€œnā€ is a natural number) includes a pull-up part, a pull-up controller, a first pull-down part, a second pull-down part, and a pull-down controller. The pull-up part outputs a first clock signal as an output signal of the n-th stage. The pull-up controller selectively applies first and second powers to a control electrode of the pull-up part. The first pull-down part pulls down a voltage applied to the control electrode of the pull-up part to an off voltage. The second pull-down part pulls down a voltage applied to an output electrode of the pull-up part to the off voltage. The pull-down controller selectively applies the first and second powers to control electrodes of the first and second pull-down parts.05-03-2012

Dong Hee Shin, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090169456Apparatus for Manufacturing Nanoporous Silica Method Thereof - The present invention relates to an apparatus and a method for manufacturing amorphous nanoporous silica enabling mixing of source materials with accurate equivalence ratio by generating an eddy current using high-speed reaction nozzles and capable of controlling physical properties using a continuous circulation polymerizer which performs high-speed stirring and low-speed stirring and amorphous nanoporous silica prepared by the method, which has a BET surface area of 100-850 m07-02-2009

Dong Hee Yoo, Seoul KR

Patent application numberDescriptionPublished
20100133524RED PHOSHORESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1:06-03-2010
20100141124Blue fluorescent compound and organic electroluminescent device using the same - A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1:06-10-2010
20100155760ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - Disclosed are an organic light emitting display device with improved yield and processing efficiency, which includes an interlayer capable of being separated into a hydrophilic region and a hydrophobic region on top of a hole injection layer in an organic light emitting device and a plurality of layers including a light emitting layer and which is fabricated without using a shadow mask, as well as a method for manufacturing the same. The manufacturing method includes preparing a substrate having a plurality of pixel regions defined in a matrix form, arranging an anode in each of the pixel regions, forming a hole injection layer on the anode by the solution process, forming an interlayer with hydrophobic properties on the hole injection layer by a solution process, selectively UV irradiating the interlayer to define a hydrophilic region on the interlayer, forming a light emitting layer on the interlayer by the solution process, and arranging a cathode on the substrate having the light emitting layer.06-24-2010
20100164371ELECTRON TRANSPORTING-INJECTION COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - An electron transporting-injection compound, represented by following Formula 1:07-01-2010

Dong Hee Yu, Whasung-City KR

Patent application numberDescriptionPublished
20110093823SEMICONDUCTOR INTER-FIELD DOSE CORRECTION - A method and apparatus are provided for adapting a semiconductor inter-field dose correction map from a first photolithography mask to a second photolithography mask using the same manufacturing stack and reactive ion etching processes, the method including: obtaining a first dose correction map for the first photolithography mask as a function of first chip or die identities; determining a first transformation matrix from the first chip or die identities of the first photolithography mask into an orthogonal coordinate system; determining a second transformation matrix from second chip or die identities of the second photolithography mask into the orthogonal coordinate system; and transforming the first dose correction map for the first photolithography mask into a second dose correction map for the second photolithography mask in correspondence with each of the first and second transformation matrices.04-21-2011
20110171794TRANSISTOR FORMATION USING CAPPING LAYER - A method of transistor formation using a capping layer in complimentary metal-oxide semiconductor (CMOS) structures is provided, the method including: depositing a conductive layer over an n-type field effect transistor (nFET) and over a p-type field effect transistor (pFET); depositing a capping layer directly over the conductive layer; etching the capping and conductive layers to form a capped gate conductor to gates of the nFET and pFET, respectively; ion-implanting the nFET transistor with a first dopant; and ion-implanting the pFET transistor with a second dopant, wherein ion-implanting a transistor substantially dopes its source and drain regions, but not its gate region.07-14-2011

Dong Hee Yu, Kyunggi-Do KR

Patent application numberDescriptionPublished
20090239344Methods of Forming Field Effect Transistors Having Silicided Source/Drain Contacts with Low Contact Resistance - Methods of forming integrated circuit devices according to embodiments of the present invention include forming a PMOS transistor having P-type source and drain regions, in a semiconductor substrate, and then forming a diffusion barrier layer on the source and drain regions. A silicon nitride layer is deposited on at least portions of the diffusion barrier layer that extend opposite the source and drain regions. Hydrogen is removed from the deposited silicon nitride layer by exposing the silicon nitride layer to ultraviolet (UV) radiation. This removal of hydrogen may operate to increase a tensile stress in a channel region of the field effect transistor. This UV radiation step may be followed by patterning the first and second silicon nitride layers to expose the source and drain regions and then forming silicide contact layers directly on the exposed source and drain regions.09-24-2009
20110017926SEMICONDUCTOR INTRA-FIELD DOSE CORRECTION - A system and method are provided for automatic dose-correction recipe generation, the system including a dose-correction recipe generator, a reticle data unit in signal communication with the recipe generator, a slit data unit in signal communication with the recipe generator, a process data unit in signal communication with the recipe generator, a wafer data unit in signal communication with the recipe generator, a control unit in signal communication with the recipe generator, and an output unit or a storage unit in signal communication with the control unit; and the method including receiving a current reticle data set and a previous reticle data set, receiving a current slit data set and a previous slit data set, receiving a process condition, receiving a wafer condition, automatically generating a dose-correction recipe in accordance with the received reticle, slit, process and wafer information, and controlling a dose in accordance with the generated recipe.01-27-2011

Dong-Hee Han, Suwon-Si KR

Patent application numberDescriptionPublished
20090283725PHOTOSENSITIVE PASTE COMPOSITION, PDP ELECTRODE MANUFACTURED USING THE COMPOSITION, AND PDP COMPRISING THE PDP ELECTRODE - A photosensitive paste composition is provided. The photosensitive paste composition contains conductive powder, an inorganic binder, and an organic vehicle, wherein, assuming that 10% by weight of the particles consisting the conductive powder have a diameter less than D11-19-2009

Patent applications by Dong-Hee Han, Suwon-Si KR

Dong-Hee Kwon, Seongnam-City KR

Patent application numberDescriptionPublished
20090034464RESOURCE MANAGEMENT METHOD IN WIRELESS COMMUNICATION SYSTEM - Provided is a resource management method in a communication system, and more particularly, a resource management method based on priority in a wireless communication system. The resource management method in a wireless management network includes: setting a priority factor value with regard to a link flow for which link establishment is requested; and if a capacity required by the flow for which link establishment is requested exceeds a remaining capacity of a base station, increasing the remaining capacity of the base station by sequentially reducing a minimum reserved rate (MRR) value of flows that receive a service at a lower priority than the flow for which link establishment is requested to a maximum sustained rate (MSR) value, until the remaining capacity required by the flow for which link establishment is requested is generated.02-05-2009
20090059847UNSOLICITED GRANT SERVICE CLASS OF IEEE 802.16/WiBro SYSTEM - Provided is a traffic class of an IEEE 802.16/WiBro system. The unsolicited grant service (UGS) scheduling method with regard to a subscriber station (SS) and a base station (BS) that are disposed in a network wherein an IEEE 802.16/WiBro system is realized, the method includes: when the SS requires 1 through M (where M is a positive integer) UGS flows, and the BS serves 1 through N (where N is a positive integer) frames, the BS storing grant periods and guaranteed sizes that are granted to the M UGS flows in each N frame; and the BS comparing service capacity of a frame and a sum of guaranteed sizes of each flow belonging to the N frames, and determining if an overload occurs.03-05-2009
20090059889rtPS CLASS OF IEEE 802.16/WiBro SYSTEM - Provided is a real-time polling service (rtPS) class of an IEEE 802.16/WiBro system. An rtPS scheduling method of the IEEE 802.16/WiBro system includes subscriber station (SS) located in a network where the IEEE 802.16/WiBro system is realized inserting a timestamp indicating time information when uplink data is transmitted from an application layer of the SS into the uplink data; and after the SS receives polling from a base station (BS), comparing the timestamp inserted into the uplink data and a current time, and, if a difference between the timestamp and the current time is greater than a predetermined period of time, firstly dropping the uplink data.03-05-2009
20090063692BIDIRECTIONAL FLOW SERVICE SUPPORT METHOD IN IEEE 802.16/WIBRO SYSTEM - Provided is a bidirectional service flow management method in a wideband wireless connection communication system, and more particularly, a method of performing a bidirectional flow establishment. The method of providing a flow service in an IEEE 802.16/WiBro includes: generating a revised dynamic service addition (DSA) related message in which an area for designating bidirectional flow management information is allocated from a standard DSA related message; and performing a bidirectional flow initialization process between a subscriber station (SS) and a base station (BS) via single control message negotiation based on the revised DSA related message.03-05-2009

Dong-Hee Lee, Yongin-Si KR

Patent application numberDescriptionPublished
20080254771Apparatus and method for performing call setup for domain transfer in mobile communication system - A mobile communication system and method for maintaining a call setup for a domain transfer are provided. The mobile communication system includes a calling terminal and a VCC server. The calling terminal notifies, when performing a domain transfer during reception of a ring-back tone in a call setup process with a called terminal, the domain transfer to the VCC server, and receives a response message for a call setup request from the VCC server to perform a call connection with the called terminal. The VCC server performs, when receiving a domain transfer notification message from the calling terminal, a call setup process with the domain to which the calling terminal transferred while maintaining the previous call setup process performed before the domain transfer, and releases the previous call setup process.10-16-2008

Dong-Hee Lee, Gyeongsangnam-Do KR

Patent application numberDescriptionPublished
20120018054STAINLESS STEEL MATERIAL HAVING OUTSTANDING HIGH-TEMPERATURE STRENGTH, AND A PRODUCTION METHOD THEREFOR - Provided are a stainless steel having excellent high-temperature strength and a method of manufacturing the same, and more particularly, an austenitic stainless steel having excellent high-temperature and creep strength as well as excellent corrosion resistance able to be used in high-temperature corrosive environments such as power plants and a method of manufacturing the same. The stainless steel of the present invention may have a precipitation index of 1.5 to 2.5.01-26-2012

Dong-Hee Lee, Seoul KR

Patent application numberDescriptionPublished
20090031076Method for Managing Flash Memory - A method for managing a flash memory, a method for leveling the wear of blocks in a flash memory, and a method for managing a file system for a flash memory are provided. The method for managing a flash memory includes: if changing of data of a data block recorded in a data area is requested, recording the data block having changed data in an alternative area and recording mapping information of the data block recorded in the alternative area in a mapping area; and if changing of data of the data block recorded in the alternative area is requested, recording a data block having changed data in the data area and deleting the mapping information recorded in the alternative area from the mapping area.01-29-2009
20110197018METHOD AND SYSTEM FOR PERPETUAL COMPUTING USING NON-VOLATILE RANDOM ACCESS MEMORY - Provided is a computing system and method that utilizes a non-volatile random access memory (NVRAM). A system including the NVRAM as a part of a memory or a whole memory may execute a program in the NVRAM, and, when the system is re-operated after being shut down, may restore a state and data of the program being executed in the NVRAM to an original state and thus, may provide a permanent computing environment.08-11-2011
20110241515SLIDING DEVICE - A movable rail body is fastened to a movable body and has a first space. Movable rail bearings are disposed in the first space at diagonally facing corners of the movable rail body. A stationary rail body is fastened to a stationary support and has a second space. Stationary rail bearings are disposed in the second space at diagonally facing corners of the stationary rail body. A slider has an upper end in rolling contact with the movable rail bearings, and a lower end in rolling contact with the stationary rail bearings. An angle between a center line parallel to the movable body and a connection line connecting centers of the movable rail bearings ranges from 40 degrees to 50 degrees. An angle between the center line and a connection line connecting centers of the stationary rail bearings ranges from 130 degrees to 140 degrees.10-06-2011

Patent applications by Dong-Hee Lee, Seoul KR

Dong-Hee Park, Chungbuk KR

Patent application numberDescriptionPublished
20120133214DIRECT FEEDING APPARATUS FOR IMPEDANCE MATCHING OF WIRELESS POWER TRANSMISSION DEVICE, AND TRANSMITTER AND RECEIVER USING THE SAME - A direct feeding apparatus for impedance matching of a wireless power transmission device includes a helical type resonator, and a feeding unit configured to directly feed power to a region having a relatively small current value as compared to a center of a conductive line of the resonator.05-31-2012