baber/WOPTO huggingface dataset:
Patent KR-20080024441-A (KR)
Title: Water regulating instrument for waterpipe
Inventor: KIM HAK YEAL
IPC: E03C1/04
Filed: 2007-08-29
Abstract: A stop cock for water supply is provided to cut down on the cost and to contribute to improvement of productivity by forming an absorber connection for fastening a water hammer absorber integrally and excluding the necessity of an additional auxiliary pipe for fastening a water hammer absorber, and to construct conveniently and safety by forming an instrument holder for holding an instrument and installing to a water supply pipe. A stop cock(100) for water supply comprises a body(110) including a water supply pipe connection(112) connected with a water supply pipe, an opening and closing handle(116) controlling the flow of fluids, and an upper connection(114) connected with a distribution valve or a tap at the center, wherein an absorber connection(120) is formed on the body to connect a water hammer absorber for absorbing shock caused by water pressure of fluids flowing in the water supply connection, and an instrument holder(122) is formed on the outer circumferential surface to rotate and install the body of the stop cock to the water supply pipe with an instrument such as a pipe wrench, a monkey spanner, etc.
Patent KR-20080063038-A (KR)
Title: Method for manufacturing of semiconductor device
Inventor: AHN HYUN
IPC: H01L21/28
Filed: 2007-08-31
Abstract: A method for manufacturing a semiconductor device is provided to improve insulating characteristics of the device by preventing the short between a bit line contact plug and a recess gate. A gate including a recess region is formed on an upper portion of a semiconductor substrate(100). An interlayer dielectric(110) is formed to gap-fill a space between the gates. The interlayer dielectric is etched to form a storage electrode contact hole and a bit line contact hole. A contact spacer(116) is formed on sidewalls of the storage electrode contact hole and the bit line contact hole. A conductive material is gap-filled in the storage electrode contact hole and the bit line contact hole to form a storage electrode contact plug(120a) and a bit line contact plug(120b). When the contact spacer is formed, a nitride layer is formed on an upper portion of the whole surface. Etching and cleaning processes are performed on the nitride layer.
Patent KR-20090024364-A (KR)
Title: Apparatus controlling indoor light using av system and the method thereof
Inventor: LIM JIN SU
IPC: H05B37/00
Filed: 2007-09-04
Abstract: An apparatus and a method for controlling an indoor illumination using an audio-visual system are provided to recognize a defect of the lamp by informing the defect of a vehicle in a lamp audio-visual method. An input unit(110) receives a command of a user for setting up an operation state of an audio-visual system. A microcomputer(120) indicates the changeover to a set mode when setting indoor illumination control mode through the input unit. A display unit displays the indoor illumination control mode menu according to the indication of the microcomputer. An illumination control unit(140) senses the brightness of the surrounding environment. An illumination control unit controls the brightness according to the selection of the menu. An illumination part(150) is composed of one or more lamps. The illumination part is on/off by the control of the illumination control unit.
Patent KR-20090026495-A (KR)
Title: Method of forming a metal-line in semiconductor device
Inventor: KIM EUN SOO
IPC: H01L21/28
Filed: 2007-09-10
Abstract: A metal wiring forming method of the semiconductor device is provided to reduce the contact resistance by removing the region where a barrier metal film occupies in the trench. A metal wiring forming method of the semiconductor device includes the step for forming an insulating layer(110) on a semiconductor substrate(100); the step for forming a trench(140) by etching the insulating layer; the step for forming a barrier metal film which is made of the Cu compound along the surface of the insulating layer including the trench; the step for thickly forming the first metal layer on the top portion of dielectric layer, and the bottom surface of the trench on the barrier metal film; the step for forming a copper-metal reaction film(160a) inside the trench by reflowing the first metal layer; the step for forming the second metal layer on the copper-metal reaction film.
Patent KR-20090029896-A (KR)
Title: High electron mobility transistor and method for manufacturing thereof
Inventor: CHOI HONG GOO
IPC: H01L29/778
Filed: 2007-09-19
Abstract: A high electron mobility transistor and method for manufacturing thereof is provided to form nitride buffer layer by suppressing dislocation movement due to an oxide pattern. A buffer layer(220) having a transition layer(210) and high resistance are formed on a substrate. A first oxide layer is evaporated on a first buffer layer wile being formed by patterning the first oxide layer. A photosensitive layer is formed by spreading a photoresist on the surface of the first oxide layer uniformly. A certain resist pattern is formed by performing the selective exposure and developing process. A desired pattern is formed by selectively etching the first oxide layer, and the photoresist pattern is removed. A nitride buffer layer of the high definition is formed on the device formation part by suppressing the dislocation of the first oxide layer.
Patent KR-20090030950-A (KR)
Title: Broadcast receiving apparatus and control method thereof
Inventor: LEE HYEON JI
IPC: H04N5/445
Filed: 2007-09-21
Abstract: A broadcast receiver and a control method thereof are provided to configure a memory channel group according to a channel category by using the additional information included in a broadcast signal. A receiver(110) receives a broadcast signal of one of plural broadcast channels which have one channel category of plural channel categories, and then receives broadcast signals transmitted through an antenna or a cable from a broadcast station. The broadcast signal includes SI(Service Information) and PSI(Program Specific Information) which are additional information about broadcast programs of each broadcast channel. The broadcast receiver displays the EPG(Electronic Program Guide) by using the SI and PSI. The controller(170) excludes a broadcast channel which has the channel category designated by a user from a memorized channel group including previously memorized broadcast channels..
Patent KR-20090033605-A (KR)
Title: Stack-type semicondoctor package, method of forming the same and electronic system including the same
Inventor: BYUN HAK KYOON
IPC: H01L23/12
Filed: 2007-10-01
Abstract: A stack-type semiconductor package, method of forming the same and electronic system including the same are provided to improve the degree of integration by connecting the lower part chip package and top chip package electrically through both sides adhesion wiring board. The lower printed circuit board(100) comprises a plurality of wirings(100a) and plurality of bump(100b) for the bonds. One or a plurality of first underlying chips(105) is laminated successively on the lower printed circuit board. First underlying chips are electrically connected with a plurality of wirings. The first underlying chips is covered with the lower shaping resin compound(108). The top chip package(115) is adhered at both sides adhesion wiring board.
Patent KR-20070102643-A (KR)
Title: Electronic lecture table
Inventor: LEE SANG WONG
IPC: A47B19/00
Filed: 2007-10-01
Abstract: An instructor's digital table system having a vertically moving monitor is provided to help an instructor to move the monitor to a suitable height more easily and conveniently. An instructor's digital table system includes: a monitor seat groove formed on a top portion of an upper plate(34); an upper plate cover(50) sliding along the monitor seat groove; an electromotive cylinder for moving a monitor in a vertical direction; a position sensor(54) for sensing a position of the upper plate cover; and a controller, which judges whether the upper plate cover is opened or closed and generates a control signal for automatically elevating the monitor upwardly at a predetermined angle. To this end, the upper plate has a key panel with buttons to enable a user(instructor) to move the monitor manually.
Patent KR-20090034540-A (KR)
Title: Apparatus for detecting wafer loading status in boat
Inventor: CHANG JUN SOO
IPC: H01L21/677
Filed: 2007-10-04
Abstract: An apparatus for detecting wafer loading status in boat can detect precisely the loading state of wafer even in the long distance. The loading wafer part receives a plurality of wafers(200). The image sensor portion(300) is closely introduced to the loading wafer part and detects the image of the accepted wafers. The error detection part(400) determines the loading state of wafer by comparing the reference image(410) with the detected image. The reference image is measured in the normal loading state of wafer. The loading wafer part can be the boat of the furnace.
Patent KR-20090037125-A (KR)
Title: Control cable and method for fabricating the same
Inventor: KIM YOUNG CHOONG
IPC: F16C1/20
Filed: 2007-10-11
Abstract: A control cable and a manufacturing method thereof are provided that the control cable production is easily performed and the manufacturing cost is lowered. A control cable(40) comprises a first core wire(41a) which is formed by twisting the wires of the different strand, a coiled wire(42) which in order that surrounds the outer circumference of the core wire, is inserted, a second core wire(41b) which includes a synthetic resin coating(43) of the constant thickness formed in the outer surface, and a connector(45) which connects the assembly to the second core wire.
Patent KR-20080077541-A (KR)
Title: Golf club
Inventor: YOON DAE WON
IPC: A63B53/10
Filed: 2007-10-15
Abstract: A golf club is provided to improve the structure to mitigate the shock that is generated by the force and the vibration that is transmitted to a grip efficiently by using a crease groove portion. A golf club includes a head(110), a shaft(120) and an elastic portion(130). The shaft is connected to the head. The elastic portion is installed on the shaft. The elastic portion is integrally formed on the shaft. The elastic portion extends from the shaft. The elastic portion is formed to be split. The elastic portion is formed on the outer circumference of the shaft. The elastic portion is installed to penetrate from the inside of the shaft to the shaft and protrude to the outside. A crease groove portion(122) is formed on the shaft. A grip(140) receiving the elastic portion is installed.
Patent KR-20090041958-A (KR)
Title: Cremator
Inventor: IM JUNG SOO
IPC: F23G1/00
Filed: 2007-10-25
Abstract: A cremation furnace is provided to improve the combustion efficiency by re-spreading the unburned organic compound as a burning promotion filter is installed on a passage of a main combustion chamber. A cremation furnace(100) comprises: a passage(21) discharging the exhaust gas which is generated due to burning a material to be cremated(10); a main combustion chamber(20) accommodating and burning the material to be cremated; a surface combustion burner(40) installed on the upper side of the main combustion chamber; a sub combustor(30) having a discharging passage(31), located on the lower part, connected to the passage of the main combustion chamber; a dust collector installed in the discharging passage; and a burning promotion filter installed in the passage of the main combustion chamber.
Patent KR-20090042016-A (KR)
Title: An alarm method of engine oil changing time for a diesel engine having dpf
Inventor: YANG TAE JOUNG
IPC: F02D45/00
Filed: 2007-10-25
Abstract: An engine oil change time alarming method of DPF mounted diesel engine is provided to inform the exchange of the engine oil when the fuel emitted in the post injection gets mixed in the engine oil component and the engine oil is diluted over the desired value. An engine oil change time alarming method of DPF mounted diesel engine comprises following steps: a step which determines the driving zone; a step which compares a differential pressure, a regeneration time, and a mileage with a desired value; a step which orders a DPF regeneration when a differential pressure, a regeneration time, and a mileage are bigger than the desired value; a step which performs the post injection after starting a DPF(Diesel Particulate Filter trap) regeneration; a step which compares the oil dilution amount generated by post injection with desired value; and a step which informing the oil change time by turning on and off the oil check lamp.
Patent KR-20090042475-A (KR)
Title: Method for recovering member failure in a community computing system
Inventor: KIM MIN SOO
IPC: G06Q50/30
Filed: 2007-10-26
Abstract: A method for recovering member failure in a community computing is provided to recover a failure of a community member by transmitting the status information of a failed member to a new replacing member by using a community manager. A community manager stores the status information of a plurality of members(S200). The community manager recognizes the member which has a defect among a plurality of members(S210-S230). The community manager searches a new member for replacing the member with a failure(S240). The status information which the new member receives from the community manager is interpreted, and the state of the new member is changed(S250,S260). A plurality of members cooperates to achieve the goal of the community(S280). A member stores its own state like an attribute and action as a context.
Patent KR-20090042521-A (KR)
Title: Multi-type air conditioner and the controlling method
Inventor: JIN EUI JUNG
IPC: F24F1/00
Filed: 2007-10-26
Abstract: A multi air-conditioning system and a control method thereof are provided to minimize overshoot about the operation capacity variation of one or more indoor units by controlling the opening degree of the electronic expansion valve according to the increase or decrease of the indoor unit capacity. A multi air-conditioning system comprises one or more outdoor units(20,21), one or more indoor units(11,12,13,14) including an electronic expansion valve(54) which is connected to the outdoor units to control the amount of coolant, and a controller controlling the opening degree of the electronic expansion valve according to the variation of the operation capacity of the indoor unit. The electronic expansion valve is opened by a first set value when the operation capacity decreases and closed by a second set value when the operation capacity increases.
Patent KR-20090044631-A (KR)
Inventor: YUN WON SOO
IPC: H01L21/02
Filed: 2007-11-01
Abstract: 본 발명에 의한 광조형 장치는, 용기에 수용되어 있는 광 경화성 수지에 레이저를 주사하여 구조물을 성형하는 광조형 장치로서, 
     상기 광 경화성 수지에 주사하는 레이저를 생성하는 레이저 다이오드와, 반사되는 레이저를 검출하는 광 검출기와, 상기 광 경화성 수지에 대한 레이저의 초점을 맺는 초점 렌즈를 포함하는 광 픽업 유니트와, 
     상기 광 픽업 유니트를 제1 축 및 제2 축으로 이동 가능하게 지지하는 제1 스테이지와, 
     상기 광 경화성 수지 내에 배치되어 그 상부에 위치하는 광 경화성 수지가 상기 레이저의 주사에 의해 성형 될 수 있도록 하는 성형 보조 부재와, 
     상기 성형 보조 부재를 제3 축으로 이동 가능하게 지지하는 제2 스테이지를 포함한다. 
       
     광조형, 광 픽업 유니트, 구조물, 광 경화성 수지
Patent KR-20080040590-A (KR)
Title: Method and apparatus for dividing brittle material
Inventor: KOSEKI RYOJI
IPC: B23K26/38
Filed: 2007-11-01
Abstract: A method and an apparatus for dividing a brittle material are provided to exactly divide the brittle material according to the division-planned line although the undivided portion is generated, inspect whether or not the brittle material has been actually divided while efficiently dividing the brittle material, and miniaturize the inspection device as compared with a conventional configuration by simplifying the configuration of the inspection device. A laser dividing apparatus(1) comprises: a working table(3) which has a horizontal and flat placement face(3A) and supports, on the placement face, material glass(2) that is preformed into the form of a square; a material table(4) which is disposed in an adjacent position on one side of the working table and supports the material glass; and a product table(5) which is disposed in an adjacent position on the other side of the working table and supports a glass substrate(2') as a product conveyed from the working table. The laser dividing apparatus further comprises: a laser oscillator(6) which oscillates laser beam(L), a first working head(7A) and a second working head(7B) which are moved independently in the X- and Y-directions of the horizontal plane by a moving mechanism, and which irradiate the laser beam toward the material glass on the working table; and a light guiding unit(11) comprising a plurality of optical parts which divide the laser beam oscillated by the laser oscillator and guide the divided laser beams to the two working heads. The laser dividing apparatus further comprises a frame type conveyance unit(12) which has a plurality of adsorption pads(12A,12B) that can hold adsorption of the material glass or the glass substrate after dividing, and which is moved along the material table, the working table and the product table in the X-direction; and a controller(13) for controlling the operations of the conveyance unit, the laser oscillator and the two working heads.
Patent KR-20090044864-A (KR)
Inventor: LEE EUNG SAM
IPC: B01D35/00
Filed: 2007-11-01
Abstract: 본 발명은 탄산가스가 첨가된 정수를 공급하는 정수기에 관한 것으로서, 본 발명의 목적은, 가압펌프 없이 탄산가스를 정수에 용존시킨 후 탄산정수를 토출할 수 있는 정수기를 제공하는 것이다. 이를 위해 본 발명은, 원수를 정수하는 필터, 탄산가스를 저장하고 있는 탄산가스 실린더, 상기 필터에 의해 정수된 정수가 유입되는 정수유입 라인, 상기 탄산가스 실린더로부터 탄산가스가 주입되는 탄산가스주입 라인, 상기 탄산가스주입 라인을 통해 주입된 탄산가스와 상기 정수가 혼합된 탄산정수를 외부로 토출하는 탄산정수토출 라인, 탄산정수토출 후 잔류하는 탄산가스를 외부로 배출하는 탄산가스배출 라인들과 연결되어 있는 정수탱크 및 상기 정수유입 라인, 탄산정수토출 라인, 탄산가스주입 라인, 탄산가스토출 라인들의 개폐를 제어하기 위한 제어부를 포함한다. 
       
     정수기, 탄산가스, 탄산정수
Patent KR-20090045513-A (KR)
Inventor: KANG YONG TAE
IPC: C09K5/10
Filed: 2007-11-02
Abstract: 본 발명에서는 이성분 유체 및 나노 입자로 이루어지는 이성분 나노 유체 흡수액에 초음파 처리를 수행하는 이성분 나노 유체 흡수액의 제조 방법 및 장치를 개시한다. 본 발명에 따르면 흡수식 냉동 시스템의 흡수액 특히 리튬브로마이드 수용액을 사용하는 흡수식 냉동 시스템의 흡수액으로서, 우수한 분산 안정성 및 물질 전달 특성을 나타내는 흡수식 냉동 시스템의 흡수액을 제조할 수 있다. 또한, 본 발명에 따라 제조된 흡수액은 흡수식 냉동 장치, 냉온수기 등의 냉동 시스템의 흡수기에 적용됨으로써 물질 전달을 촉진함에 따라, 흡수기 내지 흡수식 냉동 시스템 자체의 사이즈를 줄일 수 있고, 장기간 사용에도 안정성을 나타낸다. 
       
     흡수식 냉동기, 이성분 유체, 나노 입자, 리튬브로마이드, 초음파
Patent KR-20090046027-A (KR)
Inventor: PARK DEOK HOON
IPC: A61Q19/00
Filed: 2007-11-05
Abstract: 본 발명은 이소멘톤(Isomenthone)을 유효성분으로 포함하는 조성물에 관한 것이다.   본 발명의 조성물에서 이용되는 유효성분인 이소멘톤은 우수한 피부 상태 개선(skin conditions) 효과를 가지며, 상기 피부 상태 개선은 주름 개선, 피부 미백 개선, 발모 촉진 또는 탈모 방지 효과를 포함한다.   이소멘톤은 콜라게네이즈 활성 억제 및 콜라겐 합성의 촉진, 섬유아세포 보호 작용 등의 분자적 기전을 통하여 우수한 주름 개선 효능을 발휘하며, 우수한 피부 미백 효과 및 발모 촉진 또는 탈모 방지 효과를 가진다.   또한, 이소멘톤은 염증반응을 억제하는 효과, 자유라디칼 제거 효과를 통한 항산화 효과 및 비만 억제 효과를 가진다.   그리고 세포독성 및 피부 부작용이 없어 화장료, 약제학적 및 식품 조성물에 안전하게 적용할 수 있다. 
       
     이소멘톤, 주름개선, 피부미백, 발모촉진, 항염증
Patent KR-20090046093-A (KR)
Inventor: KIM MYUNG JIN
IPC: G11C5/14
Filed: 2007-11-05
Abstract: 본 발명은 외부전원전압의 레벨변화에서도 안정적으로 언더 드라이브 동작을 수행할 수 있는 반도체 메모리 소자의 비트 라인 감지증폭회로에 관한 것으로서, 비트 라인에 실린 데이터를 감지증폭하되, 노멀 상태의 풀 다운 구동전압 및 그보다 상대적으로 낮은 레벨을 갖는 언더 드라이브 전압을 같이 사용하여 풀 다운 구동을 수행하는 비트 라인 감지증폭부와, 외부전원전압의 레벨을 검출하기 위한 외부전원전압 검출부와, 언더 드라이브 전압단의 레벨을 검출하기 위한 언더 드라이브 전압 검출부, 및 상기 언더 드라이브 전압 검출부의 출력신호에 응답하여 상기 언더 드라이브 전압을 생성하되, 상기 외부전원전압 검출부의 출력신호에 대응하여 변화하는 구동력으로 상기 언더 드라이브 전압단을 구동하기 위한 언더 드라이브 전압 생성부를 구비하는 반도체 메모리 소자를 제공한다. 
       
     언더 드라이브 전압, 비트 라인 감지증폭, 외부전원전압
Patent KR-20090049936-A (KR)
Inventor: LEE YUN GEUN
IPC: H04L12/28
Filed: 2007-11-14
Abstract: 서버의 로드 밸런싱 방법 및 그 장치가 개시된다. 본 발명의 바람직한 일 실시예에 따르면, 클라이언트로부터 데이터 요청 메시지를 수신하여, 수신된 데이터 요청 메시지에 따라 클라이언트로 데이터의 전송이 불가능한 경우 복수개의 서버 중 데이터 전송이 가능한 다른 서버에서 데이터의 전송이 수행되도록 하되, 복수개의 서버 중 데이터 전송이 가능한 다른 서버에서 데이터의 전송은 수신된 데이터 요청 메시지에 포함된 목적지 정보를 데이터 전송이 가능한 다른 서버의 주소 정보로 치환함으로써 수행된다. 본 발명에 따르면, 클라이언트가 데이터를 요청한 서버의 조건이 변경되는 경우에도 다른 서버로부터 최적의 데이터 전송이 수행될 수 있어 데이터 전송 속도와 시간이 단축되는 장점이 있다. 
       
     로드밸런싱, 서버, 데스티네이션, GLB, 클라이언트
Patent KR-20090050264-A (KR)
Inventor: CHAE JONG HYEON
IPC: G01R1/073
Filed: 2007-11-15
Abstract: 본 발명은 프로브 카드 조립체에 관한 것으로서, 프로브 기판 소자를 탐침 검사하기 위한 프로브 카드 조립체에 있어서, 복수 개의 단자가 형성된 상부면 및 하부면을 포함하는 공간 변환기, 상기 공간 변환기의 하부면 상에 배치되는 인쇄 회로 기판, 2 개 이상의 프로브 기판을 포함하고, 상기 공간 변환기의 상부면 상에 배치되는 프로브 기판 조립체 및 인접하는 상기 프로브 기판의 사이에 삽입되어 상기 2 개 이상의 프로브 기판의 평탄도를 제어하는 볼팅 수단을 포함하는 프로브 카드 조립에 관한 것이다. 
       
     프로브 카드 조립체, 프로브 기판 조립체, 공간 변환기, 볼팅 수단
Patent KR-20090050305-A (KR)
Inventor: CHO JI HYUK
IPC: B60J7/00
Filed: 2007-11-15
Abstract: 본 발명은 복수개의 디플렉터를 설치하고, 제 2 디플렉터를 통해 차량의 내측으로 유동되는 공기를 상기 제 1 디플렉터에 의해 굴절된 공기 측으로 안내함으로서, 드론 노이즈를 감소시키는 효과가 있다.
Patent KR-20090053140-A (KR)
Inventor: BAIK SEUNG JAE
IPC: H01L21/8247
Filed: 2007-11-22
Abstract: 본 발명은 비휘발성 기억 소자 및 그 형성 방법을 제공한다. 이 소자는 반도체 기판 상에 터널 절연막, 터널 절연막 상에 전하 저장막, 전하 저장막 상에 나노 돗을 포함하는 블로킹 절연막, 및 블로킹 절연막 상에 제어 게이트 전극을 포함한다. 
       
     블로킹 절연막, 나노 돗, 비휘발성 메모리
Patent KR-20090055768-A (KR)
Title: A control system of high beam light on the vehicles and method thereof
Inventor: KATSUMATA IKUO
IPC: B60Q1/08
Filed: 2007-11-29
Abstract: A control system of high beam light on the vehicles and method thereof are provided to automatically convert upward/downward headlight. An illumination detecting part(30) detects the illuminance of the surrounding area of vehicle and outputs it. The front vehicle detector(40) detects the appearance of the front vehicles and outputs it. The car speed detection part(50) detects its own car speed. The controller(60) turns the head lamp on or off by the information obtained from each element. If the illuminance level is lower than the lighting level of the head lamp and the car speed is slower than the setting velocity. The controller stops lighting of the high beam.
Patent KR-20090055773-A (KR)
Title: 이미지 센서
Inventor: CHOI CHEE HONG
IPC: H01L27/146
Filed: 2007-11-29
Abstract: 본 발명은 반도체 소자에 있어서, 특히 그늘 효과(shading effect) 개선을 위한 이미지 센서에 관한 것으로, 마이크로렌즈와, 픽셀 영역에 형성되며, 상기 마이크로렌즈를 통해 집광된 빛으로부터 서로 다른 전하 생성 능력을 갖는 다수 포토다이오드들로 구성되어, 단위 픽셀 영역에서 전체적으로 동일한 크기의 포토다이오드를 사용하는 것이 아니라 빛의 입사각을 고려하여 서로 다른 전하 생성 능력 즉, 서로 다른 크기를 갖는 포토다이오드를 사용함으로써, 그 단위 픽셀 영역에서 그의 가장자리로 갈수록 발생하던 그늘 효과(shading effect)를 효과적으로 없앨 수 있는 발명이다. 
       
     이미지 센서, 마이크로렌즈, 포토다이오드, 전하 생성 능력
Patent KR-20080112902-A (KR)
Title: A method for receiving a control channel in the orthogonal frequency division multiplexing system
Inventor: AHN JOON KUI
IPC: H04J11/00
Filed: 2007-11-29
Abstract: A method for receiving control channel in OFDM(Orthogonal Frequency Division Multiplexing) system is provided to prevent complexity of a data transmission power setting by avoiding multiplexing down link data and ACK/NAK(ACKnowledgement/Negative ACKnowledgement) signal. A method for receiving control channel in OFDM(Orthogonal Frequency Division Multiplexing) system comprises the following steps: a step for receiving information about OFDM symbol number(n) for a changeable control channel transmission in a range that OFDM symbol number(m) in which the ACK/NAK channel is transmitted is minimum value(S20); and a step for receiving a control channel(S23).
Patent KR-20090057723-A (KR)
Title: Dynamic damper of automobile
Inventor: LEE KYE HO
IPC: B62D21/02
Filed: 2007-12-03
Abstract: A dynamic damper of a vehicle is provided to reduce various bands of vibrations because plural masses are included. A dynamic damper of a vehicle comprises a bracket(4) which is mounted on the car body; plural masses(12,14,16) which are supported by the bracket; one or more elastic members(20) which support plural masses; and a mass variable module(30) which is selectively combined at least a part of plural masses. The mass variable module fixes the combined mass. Three masses are arranged in a row in the traverse direction of the vehicle.