baber/WOPTO huggingface dataset:
Patent KR-20090006916-A (KR)
Title: Solenoid valve for water supplying control
Inventor: OK DAE HONG
IPC: F16K31/02
Filed: 2007-07-13
Abstract: A solenoid valve for a water supplying control is provided to improve outer appearance of product with a superior finishing by allowing a burr generating on welding to be solidified inside a housing element. A solenoid valve for water supplying control comprises a housing element(40), an insert(30), and a portioning wall. The housing element is concaved along outer circumference of a main body(20a). The insert element is inserted into the housing element of the main body and performs welding and is shaped like a male type. The partition wall is extended to specified length by maintaining gap from the insert element inside the insert element. A burr is not exposed to outside by allowing molten material generated when joining, through a welding way, the main body and a cap to be solidified within the housing element and the partition wall.
Patent KR-20080066527-A (KR)
Title: Cartridge for holding an optic in a laser processing systme
Inventor: DR BERT SCHURMANN
IPC: B23K26/70
Filed: 2007-07-25
Abstract: A cartridge for holding an optical device to an inner part of a laser processing head is provided to reduce contamination of the optical device when drawing out an insert from a housing of the cartridge or inserting the insert into the housing. In a cartridge(10) for holding an optical device(16) to an inner part of a laser processing head for processing a workpiece using a laser beam, the cartridge comprises: a housing(12) including an opening(24) for a passage of an optical path(L) and a housing space(40) for the optical device, the optical path being guided to two side faces(18,20) facing each other through a laser processing device; and an insert(14) including a supporting member(38) for the optical device that can be inserted into the housing space of the housing to hold the optical device into the optical path, wherein the insert is mounted on the housing so that the insert is freely floated within the space of the housing by guiding the insert from the outside of the housing space provided in the housing.
Patent KR-20090011225-A (KR)
Title: 반도체 소자의 패턴 형성 방법
Inventor: ROH CHI HYEONG
IPC: H01L21/027
Filed: 2007-07-25
Abstract: 본 발명은 반도체 소자의 패턴 형성 방법에 관한 것으로, 식각 대상막이 형성된 반도체 기판 상에 제1 보조막을 형성하는 단계와, 상기 제1 보조막을 패터닝하여 보조 패턴을 형성하는 단계와, 상기 보조 패턴의 측벽과 상기 보조 패턴 사이의 상기 식각 대상막 상에 제2 보조막을 형성하는 단계와, 상기 제2 보조막 사이의 상기 보조 패턴을 제거하는 단계 및 상기 제2 보조막 중앙의 얇은 부분이 먼저 제거되면서 노출되는 부분의 상기 식각 대상막과 상기 제2 보조막 사이에 노출된 상기 식각 대상막이 식각되어 목표 패턴이 형성되도록 식각 공정을 실시하는 단계를 포함하기 때문에, 보다 미세한 패턴을 형성할 수 있다. 
       
     미세 패턴, SOC막, 스핀 코팅
Patent KR-20070094704-A (KR)
Title: User equipment for descrambling a high speed shared control channel
Inventor: DICK STEPHEN G
IPC: H04B1/69
Filed: 2007-08-02
Abstract: A user equipment for descrambling an HS-SCCH(High Speed-Shared Control CHannel) is provided to be applicable for a code division multiple access communication system as well as for an HSDPA(High Speed Downlink Packet Access) of a 3GPP(3rd Generation Partnership Project) W-CDMA(Wireless-Code Division Multiple Access). A convolution encoder processes a UE(User Equipment) ID by performing 1/2 rate convolution encoding on the UE ID in order to generate a code used by a base station to scramble an HS-SCCH. The base station transmits a radio signal which provides payload data transmitted through an HS-PDSCH(High Speed-Physical Downlink Shared Channel) related to the HS-SCCH to the UE.
Patent KR-20090016893-A (KR)
Title: Eeg-training based on aging-parameter of brain function
Inventor: CHOI JUNG MI
IPC: A61B5/375
Filed: 2007-08-13
Abstract: A training method using aging-parameter of brain function is provided to prevent aging of brain function by building aging index of brain wave. A biofeedback training method uses brain wave. In spectrum transformed to frequency domain through a system for measuring electroencephalogram of a subject, the spectrum designates peak frequencies(PF) of frequency domain of 6~13Hz as an aging index determining a biological function aging of brain. The aging index is applied to standards of a biofeedback training, and converts peak frequencies of frequency domain of 6~13Hz into SEF-A%(Spectral Edge Frequency) index, MEF(Median Frequency) index or MF(Mean Frequency) index.
Patent KR-20090019066-A (KR)
Title: Outside mirror system of automatic folding and the control method thereof
Inventor: KIM JAE CHUL
IPC: B60R1/074
Filed: 2007-08-20
Abstract: As an auto-folding type outside mirror apparatus and a control method thereof, the outside mirror is folded with the driving part when the signal outputted in the first relay is input, and spread when the signal outputted in the second relay is input by the DRL(Daytime Running Light) signal. An auto-folding type outside mirror apparatus comprises the DRL unit(100) outputting the lamp on/off signal according to the engine of vehicle starting; the controller(110) outputting the control signal corresponding to according to the decision result according to the output signal of DRL, driving or the parking condition is determined; the relay(120) corresponding to the control signal outputted from controller and is switched; and the driving part(130) operating the outside mirror with the switching of relay.
Patent KR-20090019355-A (KR)
Inventor: LEE KEUN SIK
IPC: A46B15/00
Filed: 2007-08-20
Abstract: A toothbrush having function for gums protection is provided to prevent toothbrush brush from hitting on gum when brushing one's teeth in order to protect the gum when the brushing one's teeth by forming a gums protection board neighboring the toothbrush brush comprising the toothbrush. A toothbrush having function for gums protection contains a toothbrush brush fixing unit(20) fixing toothbrush brush(22) on one end of a handle part(10). Gums protection boards(100) are protruded in both sides and made from soft material. A gums protection member is separably combined in the toothbrush brush fixing unit and is located in both sides of the toothbrush brush.
Patent KR-20080047961-A (KR)
Title: Solid electrolytic capacitor and method of manufacturing the same
Inventor: HORIO KAZUTOYO
IPC: H01G9/00
Filed: 2007-08-21
Abstract: A solid electrolytic capacitor and a method for manufacturing the same are provided to suppress a leakage current defect due to stress through an insulating resin layer in a high temperature reflow process using lead-free soldering after manufacturing. A solid electrolytic capacitor includes one or a plurality of aluminum sheet elements. The aluminum sheet element has a cathode unit and an anode unit. The cathode unit has a dielectric oxide film(2), a cathode layer, a carbon layer, and a silver paint layer on a surface of an anode element sequentially. The anode unit is extended from the cathode layer. The plurality of aluminum sheet elements is laminated. An insulating resin layer(16) is formed on a surface of the dielectric oxide film, on an end surface(21) facing an end surface extended from the anode unit.
Patent KR-20090019554-A (KR)
Title: Indentation system for valve seat
Inventor: CHOI WON JANG
IPC: F01L3/22
Filed: 2007-08-21
Abstract: A valve seat press-fit system is provided to improve the quality of products by controlling the driving unit in real time. A valve seat press-fit system comprises a driving unit(70), such as a servo press, operated by a servo motor(140) to press-fit a valve seat, an input unit(50) inputting the press-fit command of the valve seat, a controller(60) controlling the driving unit according to the press-fit command of the input unit, and a computer(80) which receives data of the driving part from the controller and displays it.
Patent KR-20080022515-A (KR)
Title: Breakdown control device upon jamming of automatic transmission
Inventor: TASAKA HAJIME
IPC: F16H61/12
Filed: 2007-09-05
Abstract: A fault control device for an automatic transmission is provided to move a vehicle backwards from a parking state by directly supplying a predetermined pressure to a frictional element through a switch valve. An automatic transmission combines plural frictional elements into plural speeds. A fault release phenomenon of the frictional element due to a fault of a solenoid is detected. The solenoid fault is generated based on an idling of an engine, when an accelerator pedal is pushed, when a D range or an R range is selected at a parking mode. When the D range is selected, a low clutch is fault-released and other frictional elements except for the low clutch are combined to form various speeds in a limp groove mode. When the R range is selected, a 3-5 reverse clutch is fault-released. An R range pressure is directly switched to the 3-5 reverse clutch by using a throttle valve(34), instead of a valve of the solenoid, such that a reverse speed is realized.
Patent KR-20090030594-A (KR)
Title: A multipurpose tactile display ball pen
Inventor: LEE JUN YOUNG
IPC: G06F3/0354
Filed: 2007-09-20
Abstract: A multipurpose tactile display electronic pen is provided to implement operating the electronic pen with low power regardless a direction by transferring contact force to tactile ball which is connected with contact ball using the electronic pen. A tactile ball(111) is located to be connected to a contact ball(110) to rotate when a electronic pen has a contact with a surface. A driving unit(112) controls a movement or pause of a rotation of the tactile ball to reproduce tactile sense corresponding to a displayed shape on a screen. An encoder(114) detects an amount of movement of the electronic pen corresponding to a rotation of the contact ball. A communication unit(117) supports wireless communication between an electronic device and the electronic pen. A control unit(116) controls an overall operation of the multipurpose tactile display electronic pen with an operation program. A battery(118) supplies a power for an operation of each element of the multipurpose tactile display electronic pen.
Patent KR-20090032163-A (KR)
Title: Door lock having a device for recognizing a paper money
Inventor: YUN BYEONG OK
IPC: E05B49/00
Filed: 2007-09-27
Abstract: A door lock having a paper money recognizing device are provided to have the paper money recognizing device, thereby controlling kind, number and input time of inputted paper money. A door lock device(110) is formed in one side of a door(100) to open/close the door. A paper money recognizing device is attached to the door lock device. A paper money depositary is formed in a side opposite to the door lock device. A setting unit controls the paper money recognizing device. The setting unit is in a side opposite to the door lock device. The setting unit controls kind, number and amount of paper money. The setting unit controls input time of paper money.
Patent KR-20080046086-A (KR)
Title: An assembly manhole having s-shaped hinge structure
Inventor: CHOI YOUN HO
IPC: E02D29/12
Filed: 2007-10-15
Abstract: A manhole assembly having a S-shaped hinge joint structure is provided to rotate a manhole cover in a manhole cover support frame smoothly, to prevent the separation of a manhole cover from a manhole cover support frame by a backward flow of rainwater or a vehicle impact, to make a manhole cover opened variably by the quantity of backflow and closed by the deadweight of a manhole cover, to prevent the subsidence of a road by forming a drain outlet on the border of a rear portion of a manhole cover support frame abutting on a road and draining off water gathered in a road, and to cut off an offensive odor by forming a door on the front of a drainage way of a manhole cover. A manhole assembly having a S-shaped hinge joint structure comprises a manhole cover(10) and a manhole cover support frame(20). The manhole cover includes a drainage way formed on the base and composed of a top portion(13) provided with drain holes(12), a bottom portion, two side portions(15) and a rear portion, wherein an offensive odor prevention door is hinge-jointed to the top portion provided with drain holes, and the manhole cover support frame is composed of four frames which are two side frames(24), a front frame(22) and a rear frame(23), wherein drain outlets(28) are formed over the border(27) of a rear portion of the manhole cover support frame abutting on a road and a flange to drain off water gathered in the road and to prevent the subsidence of the road by freezing. The manhole cover is opened and closed by a S-shaped hinge joint structure, and the S-shaped hinge joint structure is composed of straight hinge joints(40) formed on the side frames of the manhole cover support frame, and S-shaped hinge grooves(30) formed on two side portions of the drainage way of the manhole cover.
Patent KR-20080103391-A (KR)
Title: Device for vibration compaction of sand grounds
Inventor: WATANABE KANAME
IPC: E02D3/02
Filed: 2007-10-17
Abstract: A vibrating compaction apparatus of sandy soil ground is provided to reduce the repeat operation of the small pitch construction and to save the construction cost. A vibrating compaction apparatus of sandy soil ground comprises is box-shaped approximately. A load attachable beam(16) is formed at the bottom of the apparatus. A vibro hammer(17) is fixed at the center of the load attach beam top. The vibro hammer is connected to a main wire(14) of a crawler crane(10). The vibrating compaction apparatus is comprised so that the vibro hammer, the load attach beam and load(18) move up and down at the same time.
Patent KR-20090039501-A (KR)
Title: Preceding vehicle sensing method for safety driving
Inventor: NAKANO NOBORU
IPC: B60W30/16
Filed: 2007-10-18
Abstract: A method for sensing preceding vehicles for safety driving is provided to process vehicles intruding abruptly by reducing speed of the vehicles gradually in case the vehicles come near a lane. A method for sensing preceding vehicles for safety driving using a plurality of non-contact sensors comprises the following steps of: recognizing detecting error of each sensor in advance in a sensor part(1); estimating probability distribution of each detection data outputted from the sensors in a sensor data processing part(2); and calculating collision probability of each part of the vehicles by a progressive direction of the vehicles and a probability distribution curve. Calculation of probability distribution uses normal distribution or chi square distribution.
Patent KR-20090039522-A (KR)
Title: Method of converting allocated radio resource mode of ms in wireless access system
Inventor: CHO HEE JEONG
IPC: H04B7/26
Filed: 2007-10-18
Abstract: A method of converting allocated radio resource mode of ms in wireless access system is provided to resolve a problem due to an operation mode discord between a terminal and a base station by requesting a mode switching using a codeword, if a terminal does not receive a response to a resource mode switching request. A terminal or a base station requests a switching of resource mode(S502). The terminal sets up a timer for receiving mode conversion information for a predetermined time(S503). In case the information about the converted resources mode is not received from the base station for the set up time as described above, the terminal transmits and receives data to the converted resources mode as described above(S505). In case of time out, the terminal requests for a convert of the resources mode again to the base station(S504).
Patent KR-20090040553-A (KR)
Title: The interior door and partition
Inventor: BAK JEONG GU
IPC: E04B2/74
Filed: 2007-10-22
Abstract: An interior door and partition are provided to change the drawing and color of the building appearances instantaneously and quite freely. In an interior door and partition comprising a panel material which is used the transparent polycarbonate, a space about 20~25 mm is formed into the extrusion and injection molding inside the panel; a projection is formed on the panel both side room to put hose therebetween; several panels are adhered to the building wall face to the mosaic type; a rubber hose is inserted between in the projection of the panel and the panel to connect panels; water is filled up with the panel; and a tile of the respective piece is contained to be functioned as aquarium and the air injected through the panel makes that goldfish in all panels move in the water with the pressure of the air.
Patent KR-20090041270-A (KR)
Title: Apparatus for providing destination alarm at using public transportation and method thereof
Inventor: JUNG BAE EUN
IPC: G06Q50/30
Filed: 2007-10-23
Abstract: A destination location alarm apparatus for providing in the use of public transportation and a method thereof for providing a destination alarm service are provided to notify a user of access of public transportation to a station. A transceiver(310) receives route information from an information guidance machine. A bus station information receiver(320) receives the station information from the inside-vehicle information guidance machine. An alarm processor(330) compares the destination information and the received station information which the user inputs. The destination location alarm service is processed according to the comparison result. The information guidance machine is mounted within the public transport vehicle.
Patent KR-20090043964-A (KR)
Inventor: KONG SANG JUN
IPC: H01M8/04
Filed: 2007-10-30
Abstract: 본 발명의 연료전지 시스템은, 수소와 산소의 전기화학반응으로 전기를 생산하는 연료전지 스택, 연료전지 시스템의 내부 구성요소의 동작을 제어하기 위한 제어부, 수소화물 분말을 저장하는 수소화물 보관함, 수소화물 분말을 촉매 용액과 반응시켜 수소를 분리하는 수소 분리 챔버, 제어부의 제어에 대응하는 분량만큼 수소화물 보관함 내부의 수소화물 분말을 수소 분리 챔버로 이송시키는 분말 이송 장치, 및 수소 분리 챔버 내에 축적되는 수소 분리 반응 후 잔여물을 수거하기 위한 잔여물 수거부를 포함한다. 
       
     연료전지, 수소화물, NaBH4, 분말 이송 장치, 수소 분리 챔버
Patent KR-20090044347-A (KR)
Inventor: KIM JEONG PHILL
IPC: E21B47/00
Filed: 2007-10-31
Abstract: 본 발명은 휴폐광산유출수 유량측정을 위한 휴대용 유도수로에 관한 것으로서, 특히 전면을 향하여 개구된 제 1끼움홈이 좌측면에 형성되어 상기 제 1끼움홈을 통하여 슬라이딩되는 제 1너비조절패널이 설치되고, 전면을 향하여 개구된 제 2끼움홈이 우측면에 형성되어 상기 제 2끼움홈을 통하여 슬라이딩되고 저면이 상기 제 1너비조절패널의 상면에 면접되는 제 2너비조절패널이 설치되는 하측패널과; 상기 하측패널의 좌측면에 설치되고 상기 제 1너비조절패널의 일단이 삽입되도록 제 1삽입홈이 형성된 좌측패널과; 상기 하측패널의 우측면에 설치되고 상기 제 2너비조절패널의 일단이 삽입되도록 제 2삽입홈이 형성된 우측패널;로 구성되고, 상기 좌측패널은 상면을 향하여 개구되고 상기 제 1삽입홈과 연통되는 좌측끼움홈이 전면에 형성되어 상기 제 1너비조절패널의 일단에서 수직하게 연장된 제 1길이조절패널이 끼움됨과 아울러 슬라이딩되고, 상기 우측패널은 상면을 향하여 개구되고 상기 제 2삽입홈과 연통되는 우측끼움홈이 형성되어 상기 제 2너비조절패널의 일단에서 수직하게 연장된 제 2길이조절패널이 끼움됨과 아울러 슬라이딩되어, 유도수로의 길이와 폭을 자유롭게 조절할 수 있는 효과가 있다. 
       
     	광산유출수, 유도수로, 유량측정
Patent KR-20090044889-A (KR)
Inventor: KIM JONG SEOK
IPC: D04C3/06
Filed: 2007-11-01
Abstract: 본 발명은 파이핑 제작기에 관한 것으로, 테이블과, 보빈이 이동가능하게 맞물리는 다수 개의 곡선 레일이 일렬로 연통하도록 테이블 상에 형성하는 레일형성대로 된 지지부; 원동기의 회전력을 받아 회전하는 주동기어를 구비한 구동부; 상기 테이블 상에 회전가능하게 고정되는 종동기어와, 둘레부를 따라 일정간격으로 돌출 형성되어 상기 레일을 따라 이동하는 걸림홈을 이루고 걸림홈에 고정된 보빈을 정방향으로 회전시켜 실이 꼬이도록 하는 걸림돌부를 구비한 제1,2꼬임수단; 제1,2꼬임수단의 종동기어와 교대로 일렬 배치되어 맞물려 연동하는 종동기어와, 둘레부를 따라 일정간격으로 돌출 형성되어 상기 레일을 따라 이동하는 걸림홈을 이루고 걸림홈에 고정된 보빈을 역방향으로 회전시켜 실의 꼬임을 푸는 동시에 상기 제1,2꼬임수단에서 각각 유입된 보빈의 실들이 서로 감겨 엮이도록 이동시키는 걸림돌부를 구비한 제1,2감김수단; 상기 테이블 상에 회전가능하게 고정되는 종동기어와, 둘레부를 따라 일정간격으로 돌출 형성되어 상기 레일을 따라 이동하는 걸림홈을 이루고 걸림홈에 고정된 보빈의 직조사가 정방향과 역방향으로 반복 회전하여 직조되도록 하는 걸림돌부를 구비하며, 일렬로 연동하게 배치되는 다수의 직조수단; 상기 테이블 상에 회전가능하게 고정되는 종동기어와, 둘레부를 따라 일정간격으로 돌출 형성되어 상기 레일을 따라 이동하는 걸림홈을 이루고 걸림홈에 고정된 보빈을 역방향으로 회전시켜 실의 꼬임을 푸는 동시에 상기 직조수단으로부터 유입된 보빈의 직조사와 상기 제2감김수단으로부터 유입된 보빈의 실이 서로 엮이도록  하는 걸림돌부를 구비한 엮임수단; 제2감김수단와 엮임수단의 종동기어 사이에 각각 맞물려 연동하는 종동기어와, 둘레부를 따라 일정간격으로 돌출 형성되어 상기 레일을 따라 이동하는 걸림홈을 이루고 제2감김수단과 엮임수단을 통행하는 보빈만을 잡아 안내하는 걸림돌부를 구비한 제1안내수단; 직조수단과 엮임수단의 종동기어 사이에 각각 맞물려 연동하는 종동기어와, 둘레부를 따라 일정간격으로 돌출형성되어 상기 레일을 따라 이동하는 걸림홈을 이루고 직조수단과 엮임수단을 통행하는 보빈만을 잡아 안내하는 걸림돌부를 구비한 제2안내수단;으로 되되, 상기 종동기어들 중 하나는 상기 주동기어와 맞물려 연동하고, 상기 수단들의 각 걸림홈은 일정주기로 서로 마주해 포개지도록 된 보빈이동부; 상기 보빈이동부로 이동하는 보빈의 인출 실들이 집중하여 관통하는 관통구멍을 형성한 가이드; 및 상기 구동부의 회전력을 받아 회전하면서, 상기 관통구멍을 관통한 실들이 서로 엮이면서 이루어진 파이핑을 잡아당기도록 서로 마주하여 상기 연사를 압출하는 롤러를 갖는 당김부;를 포함하는 것이다.
Patent KR-20090051316-A (KR)
Inventor: MOON IK JOO
IPC: B60K17/34
Filed: 2007-11-19
Abstract: 본 발명은 사륜차량 변속장치에 관한 것으로, 2륜구동 고속(2H)과 4륜구동 고속(4H)과 4륜구동 저속(4L)의 변환 위치를 가지는 변속레버어셈블리(1)와, 상기 변속레버어셈블리(1)와 반작용으로 구동되는 시프트샤프트(2)와, 상기 시프트샤프트(2)에 고정 결합된 2WD-4WD 구동레일(3) 및 4H-4L 레일(6)과, 상기 2WD-4WD 구동레일(3)에 고정 연결된 2WD-4WD 포크(4)와, 상기 2WD-4WD 포크(4)와 결합하는 2WD-4WD 슬리브(5)를 포함하여 형성된 사륜차량의 변속장치에 있어서, 상기 4H-4L 레일(6)에 고정 연결되어 외주면 일측에 돌기부(51a)가 돌출 형성된 4H-4L 포크(51)와, 상기 4H-4L 포크(51)와 결합 형성된 슬리브(8)와, 상기 4H-4L 포크(51)의 돌기부(51a)와 선택적으로 치합되는 제1돌출부(52a)와 상기 제1돌출부(52a)와 소정각을 이루며 형성된 제2돌출부(52b)와 외주면을 따라서 위치한 홈(52c)이 형성되어 있는 마찰링(52)과, 상기 마찰링(52)의 홈(52c)에 삽입 결합하는 원형스프링(53)과, 상기 마찰링(52)의 제2돌출부(52b)를 제어하는 스토퍼(55)와 상기 스토퍼(55)를 탄지하는 코일스프링(54)을 포함하여 형성되는 것을 특징으로 하여, 주행모드의 변경시 오작동을 방지할 수 있도록 구성된 사륜차량 변속장치에 관한 발명이다. 
       
     4륜차량, 변환장치, 변속장치
Patent KR-20090051603-A (KR)
Inventor: LEE GI CHANG
IPC: G09G3/36
Filed: 2007-11-19
Abstract: 본 발명은 게이트 구동회로 및 이를 포함하는 디스플레이장치에 관한 것이다. 본 발명에 따른 게이트 배선이 형성되어 있는 표시패널과, 상기 게이트 배선에 연결되어 게이트 신호를 출력하는 게이트 구동회로를 포함하는 디스플레이장치는 상기 게이트 구동회로는, 제1스테이지, 상기 제1스테이지의 후단에 위치하는 제2스테이지, 상기 제2스테이지의 후단에 위치하는 제3스테이지를 포함하고, 상기 제2스테이지는, 상기 제1스테이지 및 상기 제3스테이지로부터 인가되는 게이트 신호에 의해 제1제어신호 및 제2제어신호를 생성하는 구동제어부와; 상기 제1제어신호 및 제2제어신호에 따라 하이레벨의 게이트 신호를 출력하는 구동부와; 상기 구동부로부터 상기 게이트 신호가 출력된 후 상기 구동부의 게이트 오프를 유지하기 위한 적어도 하나의 유지트랜지터를 포함하는 유지부와; 상기 유지트랜지스터의 문턱전압을 조절하기 위한 조절부를 포함한다. 이에 의해 구동능력이 향상되고 수명이 연장되는 게이트 구동회로 및 이를 포함하는 디스플레이장치가 제공된다.     
     
     부트스트랩 회로, 게이트 구동회로
Patent KR-20090053136-A (KR)
Inventor: HUH MI SUK
IPC: H04N5/913
Filed: 2007-11-22
Abstract: 컨텐츠 재생 장치의 디바이스 키를 이용하여 제한적으로 컨텐츠를 기록하는 컨텐츠 기록 시스템 및 방법이 개시된다.  컨텐츠 기록 장치는 컨텐츠 암호화 키를 이용하여 컨텐츠를 암호화하고, 상기 암호화된 컨텐츠를 기록 매체에 기록하는 컨텐츠 기록부, 상기 CEK를 적어도 하나의 컨텐츠 재생장치로 송신하고, 상기 컨텐츠 재생장치 각각의 디바이스 키로 암호화된 CEK를 상기 적어도 하나의 컨텐츠 재생 장치로부터 수신하는 CEK 송수신부 및 상기 컨텐츠 재생장치 각각의 디바이스 키로 암호화된 CEK를 상기 기록 매체에 기록하는 CEK 기록부를 포함한다. 
       
     CEK(Content Encryption Key: CEK), 리보케이션 리스트(Revocation List), 암호화
Patent KR-20080061265-A (KR)
Title: Liquid crystal display device
Inventor: KIMURA SHINICHI
IPC: G02F1/1343
Filed: 2007-11-26
Abstract: An LCD(Liquid Crystal Display) device is provided to improve response speed without reducing parameters such as an elastic coefficient and to include a stack structure with comb-shape electrodes on upper and lower portion of an insulating layer. First, second and third electrodes(100,200,300) have one set of electrode structure having a display electrode and an opposite electrode arranged alternately. An insulation layer(60) such as a polymer is stacked on each electrode structure of the first, second and third electrodes. The first, second and third electrodes are arranged by a comb shape. A horizontal electric field is generated at the first, second and third electrodes, respectively. The direction of the horizontal electric field is changed by changing the direction of the electrode. One set of electrode is stacked by above three-stages. The direction of the horizontal electric field generated at each stage is changed. The alignment of the liquid crystal has a twisted structure by a 2 phi period.
Patent KR-20090056178-A (KR)
Title: 2-way ventilating system for livestock building
Inventor: CHANG HONG HEE
IPC: A01K1/00
Filed: 2007-11-30
Abstract: A two-way ventilation system of the livestock shed is provided, which minimizes the use of medicine and can produce the safe meat. A two-way ventilation system of the livestock shed comprises: a floor(10); a side wall(20) extended to the upper part from the floor; a roof(30) shutting the top opening of the side wall tightly; a domestic animal breeding section which is formed on the top of the floor and in which the breeding of the domestic animals is performed; a crevice floor segmented by the excrements collecting zone in which the excrements are collected; an air injection hole which is formed so that the external air can be flowed in the side wall or roof; and a harmful gas exhaust port which is formed so that the inside toxic gas can be ejected.