baber/WOPTO huggingface dataset:
Patent KR-20120056993-A (KR)
Title: Three-dimension type guard rail made of composite material with vertical reinforcing rib
Inventor: PARK BYOUNG JUN
IPC: E01F15/00
Filed: 2010-11-26
Abstract: PURPOSE: A three-dimensional composite guardrail with reinforcement ribs is provided to reduce construction and maintenance costs by extending the unit installation length of parts. CONSTITUTION: A three-dimensional composite guardrail having reinforcement ribs comprises posts(3) and a composite panel(10). The posts are installed on footing concrete(5) placed on one side of a bridge or road. The composite panel is coupled to the posts through fixing bolts(4). The composite panel is composed of front and rear surfaces(11,12) and reinforcement ribs(13). The front surface is a corrugated steel plate, and a vehicle collides with the front surface. The rear surface is a flat plate. The reinforcement ribs connect the front and rear surfaces.
Patent KR-20120057419-A (KR)
Title: Backlight unit and liquid crystal display device the same
Inventor: CHO JUNG MIN
IPC: G02F1/1333
Filed: 2010-11-26
Abstract: PURPOSE: A backlight unit and a liquid crystal display device with the same are provided to install a second panel guide on a first panel guide and make the second panel guide by flexible materials, thereby preventing movement and damage of a liquid crystal display panel. CONSTITUTION: An upper side of a bottom cover(190) is opened. First panel guides(180) are made of strong materials. The first panel guides are formed along with inner edges of the bottom cover by a first injection molding process. Second panel guides(160) are made of flexible materials. The second panel guides are formed along in inner edges of the bottom cover by a second injection molding process. The second panel guides are formed on the first panel guides. A stopping end protrudes upward along with edges of a lower side on edges of the bottom cover.
Patent KR-20120058839-A (KR)
Title: Coil resonant coupler for short distance wireless power transmission and apparatus for transmitting power in short distance thereof
Inventor: JUNG CHUN KIL
IPC: H02J17/00
Filed: 2010-11-30
Abstract: PURPOSE: A coil resonance coupler for local area wireless power communication and a local area wireless power transmission apparatus including the same are provided to improve transmission efficiency by wirelessly receiving power regardless of an installation direction of a wireless power receiving apparatus. CONSTITUTION: A first coil is vertically formed on a first shaft. A second coil is vertically installed on a second shaft which is perpendicular to the first shaft. A third coil is vertically installed on a third shaft which is respectively perpendicular to the first and second shafts. A self-focusing board is formed on a plane in which the first coil is installed. A transmission controller(20) controls a primary side core(30) based on location information. A location detection part(40) detects a position of a wireless power receiving apparatus.
Patent KR-20120076596-A (KR)
Title: Apparatus and method for delivering integration of direct mail
Inventor: KIM YOUNG WON
IPC: G06Q50/32
Filed: 2010-12-06
Abstract: PURPOSE: A regular scheduled post integrated delivery apparatus and method thereof are provided to reduce post sending fees by just transmitting post statement data to a post office. CONSTITUTION: A bundle post service request DB(Data Base)(214) stores inputted bundle post service request information. A service data transmission and reception unit(216) transmits the information to one or more DM transmission apparatuses(230) interlocked with the service data transmission and reception unit. A bundle post storage DB(218) stores bundle post data according to clients. A bundle post printing unit(222) receives the bundle post data according to the clients. The bundle post printing unit syntagmatically prints the bundle post data.
Patent KR-20120065549-A (KR)
Title: Operation method for touch panel and portable device supporting the same
Inventor: LEE JIN WOO
IPC: H04M1/72454
Filed: 2010-12-13
Abstract: PURPOSE: A method for controlling the operation of a touch panel and a portable terminal applying the same are provided to safely operate the touch panel without error. CONSTITUTION: A method for controlling the operation of a touch panel comprises: a step of setting scanning frequency of a touch panel using first setting value(303,305); a step of setting scanning frequency of the touch panel by second setting value(307); a step of supporting the user's functional activation(309); and a step of controlling the operation of the touch panel based on the scanning frequency setting value.
Patent KR-20120065566-A (KR)
Title: Lifted or lowered guiding apparatus of canvas door
Inventor: LEE BONG JAE
IPC: E06B5/00
Filed: 2010-12-13
Abstract: PURPOSE: A device for guiding the ascent and descent of a canvas door is provided to prevent a canvas door from being deformed by external force applied from a canvas. CONSTITUTION: A device for guiding the ascent and descent of a canvas door comprises a guide piece(110), fixing pins(120), rollers(130), a connection hook(140), and reinforcing flanges(150). The guide piece is located at the side of a vertical frame. The fixing pins are inserted into both sides of the guide piece. The rollers are inserted into the fixing pins. The connection hook is installed on the front surface of the guide piece and connected to the end of a horizontal wire. The reinforcing flanges are horizontally extended from the top and bottom ends of the guide piece.
Patent KR-20120066144-A (KR)
Inventor: PARK YOUNG KYU
IPC: H01L23/34
Filed: 2010-12-14
Abstract: 본 발명은 히트 싱크에 관한 것으로, 다단으로 형성된 복수의 방열판 및 복수의 방열판과 일체로 형성되되, 방열판들로부터 경사지게 형성되어 적어도 하나의 반도체 칩이 체결되는 경사면을 포함하여, 히트 싱크에 반도체 칩을 장착함으로써 인쇄회로기판에 회로패턴의 설계공간을 확보할 수 있으므로 인쇄회로기판의 소형화가 가능하고, 전자기기를 슬림화, 소형화할 수 있다.
Patent KR-20120067044-A (KR)
Title: Silicone emulsion composition and method for preparing the same
Inventor: YU HYUN JU
IPC: C08J3/02
Filed: 2010-12-15
Abstract: PURPOSE: A silicon emulsion composition is provided to blend an emulsion with high molecular weight of high viscosity, and an emulsion with low molecular weight of low viscosity, thereby providing excellent cleansing and conditioning effects. CONSTITUTION: A silicon emulsion composition comprises: an emulsion manufactured by mixing water, anion surfactant, silicon hydrolysate, and emulsifier; and an emulsion B manufactured by mixing polydimethylsiloxane, non-ionic surfactant, and water. The silicon hydrolysate is a mixture of OH-terminated polyalkylsiloxane polymer of low viscosity, and dimethyl cyclosiloxane. The emulsion A is manufactured by mixing 10-50 weight% of water, 1-20 weight% of the anionic surfactant, 20-80 weight% of the silicon hydrolysate, and 0.001-10 weight% of the emulsifier.
Patent KR-20120070944-A (KR)
Title: Dental polyvinylsiloxane impression material composition with cristobalite treated with trimethylsilane and it's making method
Inventor: CHOI KYO CHANG
IPC: A61K6/02
Filed: 2010-12-22
Abstract: PURPOSE: An impression material composition containing cristobalite and a method for manufacturing the same are provided to improve compressive strain and deformation stability. CONSTITUTION: An impression material composition contains cristobalite which is surface-treated with trimethyl silane. A method for preparing the composition comprises: a step of mixing spherical silica, talc, and cristobalite which is surface-treated with trimethyl silane to prepare a filling material; a step of putting polyvinyl siloxane, polymethyl hydrogen siloxane, and the filling material in a vacuum mixer and mixing the same; a step of adding a surfactant, retarder, filling material, and pigment to prepare a base; a step of putting polysiloxane and filling material into the vacuum mixer and mixing; a step of cooling and adding platinum catalyst, hydrogen adsorber, and filling material; and a step of mixing the base and catalyst.
Patent KR-20110073364-A (KR)
Title: Compiling for programmable culling unit
Inventor: TOTH ROBERT M
IPC: G06F13/14
Filed: 2010-12-22
Abstract: PURPOSE: A compile method for a programmable culling unit and computer readable medium is provided to use bound when generating an optimized culling program with other metadata and calculating a section bound during a compile per every variable. CONSTITUTION: A display adapter(100) includes as follows. The polygon setup block(102) setups polygon which the connected central processing unit directs polygon. A tile register(104) partitions the rendered polygon into at least one tile. Each tile is at least partly overlapped with the polygon.
Patent KR-20120071536-A (KR)
Title: 가방끈 길이 조절장치
Inventor: KIM EUN CHUL
IPC: A45C13/30
Filed: 2010-12-23
Abstract: 본 발명품은 가방끈 길이 조절 시 가방끈의 노후로 발생되는 마찰력 감소로 인한 가방끈 조절능력 상실 문제를 장비를 부착함으로써 장비 내부의 장치가 결합하는 형식으로 가방끈을 조절할 수 있다.
Patent KR-20120072258-A (KR)
Title: Sensor network system and method for controlling thereof
Inventor: KIM BONG SOO
IPC: H04W84/18
Filed: 2010-12-23
Abstract: PURPOSE: A sensor network system and control method thereof are provided to communicate between sensor nodes by using minimum RF(Radio Frequency) strength which is necessary for communication by calculating the minimum RF strength. CONSTITUTION: A source sensor node creates a loopback test request message according to the occurrence of previously established events. The source sensor node transmits the loop-back test request message to a destination sensor node(S100). The source sensor node receives a loopback test response message from the destination sensor node(S200). The source sensor node establishes RF(Radio Frequency) gain values of a wireless communication module within the source sensor node based on analysis results of the received loopback test response message.
Patent KR-20120072525-A (KR)
Title: Power transmission apparatus for hybrid construction machnery
Inventor: KIM CHANG HYUN
IPC: B60K17/02
Filed: 2010-12-24
Abstract: PURPOSE: A powertrain of hybrid construction equipment is provided to improve the efficiency of a motor by blocking vibration generated by a crank shaft to a motor. CONSTITUTION: A powertrain of hybrid construction equipment comprises an engine(10), a hydraulic pump(20), an electric motor(30), and a flexible coupling(50). The electric motor is installed between the engine and the hydraulic pump. The motor comprises a rotator(31) connected to the driving shaft(21) of the hydraulic pump. The flexible coupling is connected to the rotator of the motor. An auxiliary axis is connected to the crank shaft(11) of the engine.
Patent KR-20120076702-A (KR)
Title: Apparatus for cleaning needle for gas supply in furnace
Inventor: OH TERESA
IPC: H01L21/22
Filed: 2010-12-30
Abstract: PURPOSE: A cleaning device of a needle for gas supply of an electric furnace for doping is provided to immaculately clean the needle by conveniently and safely eliminate a by-product which is attached to the needle supplying focal gas inside the electric furnace. CONSTITUTION: A solution container(110) accepts an HF(Hydro Fluoric acid) diluting solution. The HF diluting solution eliminates chlorine which is attached to a needle(10). The solution container is formed into a cylinder having a circular cross section for the simplicity of a cleaning work. A holder(120) safely holds the solution container. The holder easily eliminates the HF diluting solution after the cleaning work. The holder comprises a bottom board(121), a holding shaft(123), a lower end fixing unit(125), and a rotary shaft(129).
Patent KR-20120077399-A (KR)
Title: Electric furnace
Inventor: OH CHEONG HEE
IPC: C21C5/52
Filed: 2010-12-30
Abstract: PURPOSE: An electric furnace is provided to easily determine the need for repair or replacement of refractory in a bottom blowing device by monitoring changes in the pressure or temperature of the refractory with a pressure sensor and one or more temperature sensors. CONSTITUTION: An electric furnace comprises a plurality of gas supply pipes(200), bottom refractory(220), protective refractory(240), and a first temperature sensor(230). The plurality of gas supply pipes are embedded in the bottom refractory and supply bottom blowing gas into the electric furnace. The protective refractory encloses the exterior of the bottom refractory with a gap. The first temperature sensor senses the temperature of the bottom refractory changed by the reaction of the electric furnace.
Patent KR-20120078309-A (KR)
Title: Manufacturing method of yokurt drink using rice
Inventor: KIM HYUN JOO
IPC: A23L2/52
Filed: 2010-12-31
Abstract: PURPOSE: A producing method of lactobacillus drink using brown rice as a base is provided to offer additional functional effects of the brown rice to users. CONSTITUTION: A producing method of lactobacillus drink using brown rice as a base comprises the following steps: dipping the organic brown rice in a yeast and lactobacillus diluted solution having the pH of 4 for 15-20 hours at 20-25 deg C for softening the skin of the brown rice(100); washing the soaked brown rice, and drying(110); crushing the dried brown rice into 200 meshes(120); mixing 5-10wt% of brown rice powder with clean water, and heating the mixture at 100deg C to obtain a brown rice processed material(130); extracting 60-70wt% of malt powder to obtain malt water(140); mixing the malt water with the brown rice processed material at 40 deg C(150); saccharifying the mixture for 5-6 hours(160); stopping the enzyme reaction by heating the mixture at 80 deg C, and sterilizing(170); adding 3-5wt% of apple juice into the saccharified liquid at 40 deg C(180); adding 1-2wt% of sea tangle powder without the saltiness(190); and adding 1wt% of yeast and lactobacillus mixed liquid formulation into the saccharified liquid for fermenting the mixture at 35 deg C for 3 weeks(200).
Patent KR-20100018083-A (KR)
Title: Image encoding apparatus, image encoding method, image encoded bitstream, recording medium, image decoding apparatus, and image decoding method
Inventor: SEKIGUCHI SHUNICHI
IPC: H04N19/174
Filed: 2006-06-19
Abstract: In a case of using a 4:0:0 format to encode three color components, it is possible to put the data of one picture into a single access unit, while justifying the encoding modes and time information of the color components. In an image encoding system for compressing input image signals comprising a plurality of color components, the encoded data obtained by individually encoding the input image signals of the color components is multiplexed, in a bitstream, with parameters that indicate to which ones of the color components the respective encoded data correspond. In an image decoding system for decoding the input bitstream in which the image signals comprising the plurality of color components have been compressed, the parameters indicating to which ones of the color components the respective encoded data correspond are used to decode the encoded data of the respective color components.
Patent KR-20100040874-A (KR)
Title: Novel immunotherapy against neuronal and brain tumors
Inventor: SCHOOR OLIVER
IPC: A61P35/00
Filed: 2008-07-25
Abstract: The present invention relates to peptides, nucleic acids and cells for use in immunotherapeutic methods. In particular, the present invention relates to the immunotherapy of cancer. The present invention furthermore relates to tumor-associated cytotoxic T cell (CTL) peptide epitopes, alone or in combination with other tumor-associated peptides that serve as active pharmaceutical ingredients of vaccine compositions that stimulate anti-tumor immune responses. The present invention relates to 11 novel peptide sequences and their variants derived from HLA class I and class II molecules of human tumor cells that can be used in vaccine compositions for eliciting anti-rumor immune responses.
Patent KR-20100057790-A (KR)
Title: Universal spot blender for one-component and two-component clearcoatings
Inventor: NIENHAUS EGBERT
IPC: C09D175/16
Filed: 2008-07-04
Abstract: The invention provides binder-free spot blender compositions for one-component and two-component clearcoatings containing at least one isocyanate compound, processes for their production and their use in motor vehicle repair finishing.
Patent KR-20100063078-A (KR)
Title: Treatment of lung cancer
Inventor: TUTHILL CYNTHIA W
IPC: A61K38/16
Filed: 2008-08-21
Abstract: An immunomodulatory compound is administered to treat, prevent, inhibit, or reduce lung cancer in a subject.
Patent KR-20100072025-A (KR)
Title: Display device, in particular for a motor vehicle
Inventor: SUSS MANFRED
IPC: B60K35/00
Filed: 2008-09-17
Abstract: The invention proposes a display device (10) for a vehicle, in particular a combination display instrument, and a method for producing a display device, wherein the display device has a front panel (2) and a front frame (1), wherein the front frame has a front side, which faces toward a viewer, and an opposite rear side, wherein the front panel is connected to the front frame, wherein the front frame also has, on the front side thereof and in an encircling fashion in the edge region of the front panel, an aperture edge (3), wherein the aperture edge is provided substantially parallel to the extent of the front panel and wherein the front panel is connected to the front frame on that side of the aperture edge which faces toward the rear side of the front frame.
Patent KR-20100081993-A (KR)
Title: Audio-visual navigation and communication dynamic memory architectures
Inventor: ROOS JAN PETER
IPC: G06T15/00
Filed: 2008-09-26
Abstract: Buffering data associated with a spatial publishing object data store at a buffer distance proximate a user presence in a spatial publishing object space. The buffer distance comprises a measure based at least in part on: capacity of a communications path between the data store and the user platform; availability of memory at the user platform; movement of a user presence through the space; traffic in the communications path; processing resources available; amount of objects within a distance of the user presence; amount of objects in the space; type of objects; proximity of objects to the user presence; and rate of the user presence movement in the space. Movement of the user presence in the space buffers data such that data for a proximate object is available in the buffer for presenting to the user when the user s presence is a predetermined distance from the proximate object.
Patent KR-20100075563-A (KR)
Title: Signal processor unit and communication device
Inventor: SHIMAMURA AKIRA
IPC: H04L12/28
Filed: 2007-11-02
Abstract: A signal processor unit related to the frame communication, wherein a unit communication period is allocated, and each communication device starts communicating operation associated with the next frame after recognizing an end of frame communication based on a received signal. The signal processor unit includes a period detection section to detect a period when a frame communication is being performed, a pattern detection section to detect a first signal pattern recognized as an end of the frame communication from the received signal, and an output processing section to output the received signal to a connected controller. Upon detection of the first signal pattern during the period when a frame communication is being performed, the signal processor unit instructs the controller to restrain startup of communicating operation associated with the next frame until the end of the period when the frame communication is being performed, thereby preventing the frames from being transmitted from a plurality of communication devices at the same time to ensure normal communicating operation of the next frame.
Patent KR-20100075570-A (KR)
Title: Method and apparatus for supporting home node b services
Inventor: DIGIROLAMO ROCCO
IPC: H04W48/02
Filed: 2008-09-29
Abstract: A method and apparatus for supporting home Node B (HNB) services are disclosed. A wireless transmit/receive unit (WTRU) receives HNB access restriction information from an HNB and accesses the HNB if an access to the HNB is allowed based on the HNB access restriction information. The HNB access restriction information may be a closed subscriber group identity (CSG ID), a status bit indicating whether an HNB cell is available or not, an identity of WTRUs that are allowed to access the HNB, information indicating whether an access to a cell is barred or not. The WTRU may trigger measurements for cell reselection even though signal strength on a currently connected cell is above a threshold. The measurement may be triggered manually, periodically, under the instruction from the network, or based on a neighbor cell list including information about HNB cells located nearby.
Patent KR-20100087348-A (KR)
Inventor: HIRAMOTO KENJI
IPC: H02K19/28
Filed: 2008-10-17
Abstract: 로터 코어(16)에는, 스테이터(12)를 향하여 돌출한 복수의 돌출극(19)이 둘레방향을 따라 서로 간격을 두고 배열되어 있고, 로터 권선(18n, 18s)이 이들 돌출극(19)에 권장되어 있다.  각 로터 권선(18n, 18s)은 각 다이오드(21n, 21s)를 거쳐 단락되어 있으며, 각 다이오드(21n, 21s)로 정류된 전류가 각 로터 권선(18n, 18s)에 흐름으로써, 각 돌출극(19)이 자화하여 자극이 고정된 자석이 발생한다.  둘레방향에 관한 각 돌출극(19)의 폭(θ)은 로터(14)의 전기각으로 180°에 상당하는 폭보다 짧고, 로터 권선(18n, 18s)은 각 돌출극(19)에 단절권으로 권장되어 있다.
Patent KR-20100098377-A (KR)
Inventor: HOYOS CAROLS ANTONIO
IPC: G06Q20/00
Filed: 2008-12-12
Abstract: 전자상거래 시스템들내에서 복합 결제 정책들을 강제하기 위해, 제약 규칙을 사용하는 방법에 대한 발명이다. 주문 캡쳐 컴포넌트가 제1 결제 제약규칙에 대응하는 적어도 하나의 관계 객체를 생성한다. 만약 주문 아이템이 쇼핑 카트내에 위치하면, 그리고 만약 상기 주문 아이템이 하나 또는 그 이상의 결제 제약규칙들과 연관되었다면, 그리고 만약 하나 또는 그 이상의 상기 하나 또는 그 이상의 결제 제약규칙들에 대응하는 사전조건들이 만족되었다면, 상기 주문 캡쳐 컴포넌트는 상기 하나 또는 그 이상의 결제 제약규칙들을 구현한다. 만약 상기 하나 또는 그 이상의 결제 제약조건들에 대응하는 하나 또는 그 이상의 사후조건들이 만족되면, 상기 주문 캡쳐 컴포넌트는 상기 주문 아이템을 포함하는 상기 쇼핑카트로부터 구매주문을 서브밋하고, 그래서 상기 주문 아이템은 상기 하나 또는 그 이상의 결제 제약규칙들에 의해서 제약되도록 한다.
Patent KR-20100109910-A (KR)
Inventor: SAMUELSSON PETER
IPC: B23P15/28
Filed: 2008-12-19
Abstract: 본 발명은, 주된 프레싱 방향을 갖는 프레스를 이용하는 것을 포함하는 분말 야금법을 이용하여, 다이 (A), 수형 코어 로드 (Bl), 암형 코어 로드 (B2), 저부 펀치 (C), 상부 펀치 (D) 및 피드 슈 (E) 를 갖는 프레스 공구 셋업에서, 주된 프레싱 방향에 수직한 비원통형 구멍 (크로스-구멍이라고 함) 을 갖는 절삭 인서트를 제조하는 방법에 관한 것이다.     본 발명에 따라, 2 개의 코어 로드 (B1, B2) 에 의해 분말이 압밀되는 경우, 증가된 치수 정밀도를 갖는 크로스-구멍이 획득된다.
Patent KR-20100096204-A (KR)
Inventor: GIJSEN HENRICUS JACOBUS MARIA
IPC: C07D223/20
Filed: 2008-12-04
Abstract: 본 발명은 TRPA1 수용체 효능작용을 갖는 화학식 (I)의 신규한 트리사이클릭 화합물, 이 화합물들을 포함하는 약학적 조성물, 이들 화합물의 제조방법 및 이들을 약학적 툴로서, 또는 자극적 행동불능제로서 또는 동물, 특히 인간에서의 TRPAl 수용체의 조절과 연관되는 질병의 치료에 사용하는 이들의 용도에 관한 것이다.
Patent KR-20110005777-A (KR)
Inventor: JIANG ZHAOGUO
IPC: G09F13/00
Filed: 2008-01-04
Abstract: 본 발명은 표시방법, 표시장치, 표시기에 관한 것이다. 그중, 상기 표시방법은 자체로 빛을 반사하여 백색광을 생성하는 백색 반사판(301)을 제공하는 단계; 상기 백색 반사판의 상측 또는 외측에 컬러 투광판(302, 303, 304)을 설치하여 상기 백색광이 상기 컬러 투광판을 투과하여 반사되어 나올 때 색깔로 표시되게 하는 단계를 포함한다.
Patent KR-20110133410-A (KR)
Inventor: LI ZONGWANG
IPC: H03M13/15
Filed: 2009-04-02
Abstract: 본 발명의 특정 실시예들은 부호화된 코드워드들을 복호화하기 위한 개선된 터보-등화 방법에 관한 것이다. 일 실시예에서, 광역 복호화 반복 i에서, 모든 복호기-입력 LLR 값들(L ch )의 크기 값들은 광역 반복 i-1에 의해 생성된 복호화된 코드워드내 불충족된 체크 노드들의 개수 b에 기초하여 조정된다. 개선된 터보-등화 방법들은 주어진 광역 복호화 세션을 위한 단독의 터보-등화 방법으로서 사용될 수 있거나, 다른 터보-등화 방법들과 인터리빙된다.
Patent KR-20100133020-A (KR)
Inventor: MOULI CHANDRA
IPC: G11C5/14
Filed: 2009-04-30
Abstract: 일부 실시예는 메모리 디바이스를 포함하며, 상기 메모리 디바이스는 워드라인과, 비트라인과, 셋 이상의 서로 다른 저항 상태 중 하나로 선택적으로 설정 가능한 메모리 요소와, 상기 워드라인과 비트라인 양단에 인가되는 전압에 반응하여 워드라인에서 메모리 요소를 통과해 비트라인으로 전류가 흐르게 하도록, 그리고 전압이 증가되거나 감소될 때 전류를 감소시키도록 설정되는 다이오드를 포함한다. 일부 실시예는 메모리 디바이스를 포함하며, 상기 메모리 디바이스는 워드라인과, 비트라인과, 둘 이상의 서로 다른 저항 상태 중 하나로 선택적으로 설정 가능한 메모리 요소와, 제 1 전압에 반응하여 비트라인에서 워드라인으로 제 1 전류가 흐르지 못하게 하도록 설정된 제 1 다이오드와, 제 2 전압에 반응하여, 워드라인에서 비트라인으로 제 2 전류가 흐르게 하도록 설정된 제 2 다이오드를 포함한다.
Patent KR-20110014637-A (KR)
Inventor: BEJERANO YIGAL
IPC: H04N21/266
Filed: 2008-06-03
Abstract: 본 발명은 채널 변경 응답 시간을 향상시키는 방법 및 장치를 포함한다. 이 방법은 복수의 멀티캐스트 그룹을 이용하여 적어도 하나의 사용자 단말을 향해 복수의 미디어 스트림을 전파하는 단계 및 채널 변경 응답 시간을 향상시키기 위한 방식으로 미디어 스트림들 중 하나를 선택하도록 구성된 정보를 전달하기 위해 적어도 하나의 사용자 단말로 메타 채널을 전파하는 단계를 포함한다. 미디어 스트림들은 미디어 콘텐트를 전달하는 원 미디어 스트림과 원 미디어 스트림으로부터 생성되는 적어도 하나의 보조 미디어 스트림을 포함하며, 적어도 하나의 미디어 스트림의 각각은 원 미디어 스트림의 미디어 콘텐트를 전달하고, 적어도 하나의 보조 미디어 스트림의 각각은 원 미디어 스트림으로부터 시간상 오프셋된다. 메타 채널에 의해 전달되는 정보는 미디어 스트림들과 연관된다. 사용자 디바이스는 메타 채널 정보를 수신하고 사용자 단말로부터의 채널 변경 요청에 응답하여 메타 채널 정보를 이용하는 미디어 스트림들 중 하나를 선택할 수 있거나, 또는 네트워크 디바이스가 사용자 단말로부터 채널 변경 요청에 응답하여 사용자 단말을 위해 미디어 스트림들 중 하나를 선택할 수 있다.