baber/WOPTO huggingface dataset:
Patent KR-20080020934-A (KR)
Title: Method and apparatus for transmitting uplink signal, and method and apparatus for generating uplink signal in communication system
Inventor: PARK HYEONG GEUN
IPC: H04B1/69
Filed: 2007-05-30
Abstract: An uplink signal transmission method of a communication system, a transmission device, a generation method, and a generation device are provided to randomize interference between users and cells when a frequency domain CDM(Code Division Multiplexing) method is used, thereby reducing the interference between users. At the first transmission time, the first sequence for distinguishing a terminal from another terminal is multiplied by the first transmission symbol to transmit the multiplied sequence. At the second transmission time different from the first transmission time, the second sequence for distinguishing the terminal from another terminal is multiplied by the second transmission symbol to transmit the multiplied sequence. The second sequence is different from the first sequence.
Patent KR-20080105800-A (KR)
Title: Flash memory device remapping bad blocks and bad bolck remapping method thereof
Inventor: BYEON DAE SEOK
IPC: G06F12/06
Filed: 2007-06-01
Abstract: A flash memory device for remapping a bad block and a method thereof are provided to search the bad block at high speed. A flash memory device for remapping a bad block comprises the followings: a plurality of mats(MAT1, MAT2) including plural memory blocks; and a block selection part which selects one of the plural memory blocks so that the addresses of the bad blocks included in the plural mats can be exchanged with normal blocks included in the same mat. The block selection part is set so as to distribute the addresses of the bad blocks in a specific block address range.
Patent KR-20080048382-A (KR)
Title: Nuclease-resistant rna aptamer inhibiting replication of hepatitis c virus replicon
Inventor: LEE SEONG WOOK
IPC: C12Q1/68
Filed: 2007-06-05
Abstract: A nuclease resistant RNA aptamer for hepatitis C virus(HCV) NS5B RNA-dependent RNA polymerase is provided to inhibit HCV replication in human hepatoma cell lines, be useful for diagnosing and treating HCV and be used as a tool for studying the RNA-dependent RNA polymerase. A nuclease-resistant RNA aptamer comprises at least one sequence selected from the group consisting of SEQ ID : NOs. 1, 2, 3 and 4, in which a fluoro group is substituted for 2' hydroxy of both U(uracil) and C(cytosine) bases, and SEQ ID : NO. 4, which is tagged with a cholesteryl group at a 5' end and with idT(inverted deoxy thymidylate) at a 3' end and is characterized in that it is specifically binding to HCV NS5B and inhibits the proliferation of an HCV replicon. A kit for diagnosing HCV comprises at least one RNA aptamer and diagnoses the HCV infection by detecting the specific binding of the RNA aptamer to HCV NS5B. An inhibitor of HCV comprises at least one of the RNA aptamer and is characterized in that it is specifically binding to the HCV NS5B and inhibits proliferation of an HCV replicon.
Patent KR-20080107606-A (KR)
Title: Sidewalk block cover
Inventor: LEE KANG IL
IPC: E01C5/00
Filed: 2007-06-07
Abstract: A sidewalk block cover is provided to extend the lifetime of a sidewalk block, to double the aesthetic effect by expressing a cover of a sidewalk block in colors, to make drainage way and to prevent sliding by spreading with turf. A sidewalk block is formed by perforating many holes(11) at the top of a cover body(10) made of synthetic resin, shaping a fixing pin(12) at the bottom of the cover body integrally, forming many retreated portions on the outside of the cover body, forming many spacing projections(13) on the inside and the outside of the cover body, installing non-woven fabrics to the inner top of the cover main body, and forming turf(21) laid in the non-woven fabrics to be projected to the outside through the holes of the cover body.
Patent KR-20080107870-A (KR)
Title: Optically and eletrically wired module device and its manufacture method
Inventor: HWANG SUNG HWAN
IPC: G02B6/12
Filed: 2007-06-08
Abstract: An optically and electrically wired module device is provided to realize mass production by simplifying a production process and minimizing a process error through a conventional process of manufacturing a PCB. In an optically and electrically wired module, the first rigid circuit substrate(200), the flexible printed circuit board(210) and the second rigid circuit substrate(220) are successively connected. The optical printed circuit board includes a light source(110) transmitting the optical signal, a transmission chip which is electrically connected to the light source and runs the light source and the optical detector(150) which photoelectrically transforms the received signal.
Patent KR-20070068336-A (KR)
Title: Inkjet image forming apparatus
Inventor: JUNG YOUN GUN
IPC: B41J2/165
Filed: 2007-06-18
Abstract: An ink jet image forming apparatus is provided to allow an effective capping by decreasing the capacity of an internal space defined by a cap member and a nozzle portion. An ink jet image forming apparatus includes an ink jet head(10), a cap member, a first reference member, and a second reference member. The ink jet head includes a nozzle portion, which has a length corresponding to a width of a paper. The cap member caps the nozzle portion of the ink jet head. The first reference member is provided at the cap member. The second reference member is provided at the ink jet head. The second reference member is engaged with the first reference member in a capping state. The first reference member is a protrusion protruded from the cap member. The second reference member is an insertion portion that the protrusion is inserted.
Patent KR-20080112481-A (KR)
Inventor: LEE YONG HYUN
IPC: B60R16/00
Filed: 2007-06-21
Abstract: A junction box fixing structure is provided to apply a junction box to all types of vehicles regardless of mounting angle and the position of fixing holes, thereby saving development cost of junction box. A junction box fixing structure comprises a junction box(100) including a connector(110) extended on one side, a rotational fixture(200) whose one end is connected to the connector and the other end part is combined in a vehicle panel(P), an angle control unit(300) which is provided on the connection part between the connector and the rotational fixture in order to connect the rotational fixture to the junction box so that the connection angle of the rotational fixture to the connector is regulated, and a separable fixing unit(400) which is formed on the other side of the junction box to be slid up and down.
Patent KR-20080113490-A (KR)
Title: Hydraulic tensioner and mounting method thereof
Inventor: LEE JONG JIN
IPC: F16H7/08
Filed: 2007-06-25
Abstract: A hydraulic tensioner for maintaining the tension of a chain to be constant, and a method for mounting the hydraulic tensioner are provided to prevent the generation of noise caused by the close adhesion of a rack and a tension arm. A hydraulic tensioner comprises a housing which has a piston hole extended in the axis direction and whose end part is opened in the one side; a hollow piston(30) which is mounted in the piston hole so as to slide in the axis direction, is provided with a stepped shoulder part at the back position of the end part and provides the tension to a chain by the projected end part; a piston spring which is installed in the hollow part of the piston and provides the force changing the piston to the projected direction together with the hydraulic pressure formed in the hollow; a backward movement limit unit which is provided with a flange(41) in contact with the shoulder part and limits the backward movement of the piston by the projected position of the flange; a fixing pin(50) which fixes the backward movement limit unit; and a fixing unit which is combined to the end part of the piston so as to be detached for limiting the projected range of the flange when the fixing pin is unlocked.
Patent KR-20090004124-A (KR)
Title: Device for tranformimg rotary motion into rotational ocillation
Inventor: LEE SANG JOON
IPC: F16H21/40
Filed: 2007-07-06
Abstract: A conversion device is provided to implement the oscillation movement which is symmetric by converting the rotational motion which does not generate the angular velocity hysteresis into the rotary vibration. A rotational motion part(100) generates the rotational motion. A connection part(200) connects the rotational motion part to a rotational vibration part(300). The rotational vibration part generates the rotary vibration. The rotational vibration part converts the rotational motion generated through the connection part in the rotational motion part into the rotational vibration. Therefore, the noise and vibration are reduced during the fast driving.
Patent KR-20090006983-A (KR)
Title: Apparatus for removing adhesion particle on pu foam and resin
Inventor: JIN CHEOL MIN
IPC: B01D46/00
Filed: 2007-07-13
Abstract: A waste part apparatus for removing impurities for vehicles is provided to cut down work time and collection expense through simplification of the sorting process and an automation recovery system. A waste part apparatus for removing impurities for vehicles contains a feeding unit(10), a device body(11), a drive unit(12), a dust collector(13) and a storage device(14). The feeding unit injects a waste part. The device body has an entrance and an exit and puts the waste part inside. The drive unit provides power for rotation of the device body. The dust collector is installed in a top and a lower parts of the device body. The separator generated in the impurity removal process is absorbed and is eradicated by the dust collector.
Patent KR-20090008964-A (KR)
Inventor: MUN MYEONG IL
IPC: G08G1/08
Filed: 2007-07-19
Abstract: 본 발명은 차량 수에 따른 교통 신호등 제어 장치에 관한 것으로, 특히 주기적으로 통과되는 차량 수를 카운팅하여, 통과하는 차량 수가 증가되는 경우에는 청색등의 점등 시간을 증가시키고, 통과하는 차량 수가 감소되는 경우에는 청색등의 점등 시간을 감소시킴으로써, 교통 흐름을 원활하게 할 수 있는 차량 수에 따른 교통 신호등 제어 장치에 관한 것이다. 
     본 발명인 차량 수에 따른 교통 신호등 제어 장치를 이루는 구성수단은, 차량 수에 따른 교통 신호등 제어 장치에 있어서, 주행 중인 차량을 검출하여, 검출 신호를 출력하는 센서부, 상기 센서부로부터 출력되는 검출신호를 카운팅하는 카운터부, 상기 카운터부에서 카운팅한 값을 주기적으로 입력받아 교통 신호등의 점등 시간을 제어하는 제어부를 포함하여 이루어진 것을 특징으로 한다. 
       
     교통 신호등, 청색등, 점등, 제어
Patent KR-20080011092-A (KR)
Title: Semiconductor device and manufacturing method thereof
Inventor: SEKI KATSUYUKI
IPC: H01L21/02
Filed: 2007-07-26
Abstract: A semiconductor device and a method for manufacturing the same are provided to improve production efficiency without carrying a semiconductor substrate between an etching apparatus and an ashing apparatus. A semiconductor device includes a semiconductor substrate(1), a pad electrode(3) and a through electrode. The semiconductor substrate has a via hole(9) passing from a rear surface through a surface thereof. The pad electrode is formed on the surface of the semiconductor substrate to coat the via hole. The through electrode is formed in the via hole and electrically connected to the pad electrode. The via hole is formed in a down-tapered shape in which the rear surface side of the semiconductor substrate is curved and an opening diameter is reduced from the rear surface side to the surface of the semiconductor substrate.
Patent KR-20090011723-A (KR)
Title: Repeater
Inventor: GO NAM OK
IPC: H04B7/14
Filed: 2007-07-27
Abstract: A relay apparatus and a method thereof for minimizing the loss of signal are provided to increase the efficiency of a relay apparatus by including a structure mounting a module of the relay apparatus on one apparatus. An input unit transmits analog signal inputted to a relay apparatus to a signal process unit by amplifying analog signal without noise. The signal processing unit converts the analog signal inputted to the input unit into the Analog optical signal. An output unit transmits the analog signal inputted from the signal processing unit to a front end unit. The front end unit connects the signal of the output unit with an antenna. A cable connecting a power amplifier and front end unit is minimized by integrating each configuration unit of the relay apparatus. The loss of the signal generated from the relay apparatus is minimized.
Patent KR-20080020570-A (KR)
Title: A process for the preparation of sucrose 6-esters
Inventor: JUNJING WU
IPC: C07H3/04
Filed: 2007-08-30
Abstract: A process for the preparation of sucrose 6-esters is provided to improve preparation yield and simplify the preparation procedures of sucrose 6-esters by directly producing them and eliminating the production of by-products such as sucrose-4-esters. A process for the preparation of sucrose 6-esters represented by the formula(II) comprises the steps of: (1) reacting sucrose with N,N-dimethylcarboxamide dimethylacetal compound in inert aprotic solvent selected from DMF(dimethyl formamide), DMSO(dimethyl sulfoxide), N,N-dimethylacetamide and pyridine at 20-90 deg. C for 2-6 hours to prepare cyclic acetal compounds represented by the formula(I); and (2) hydrolyzing the cyclic acetal compounds represented by the formula(I) in the presence of acid selected from acetic acid, formic acid, hydrochloric acid and sulfuric acid in aqueous solution or organic solvent containing added water at 20 deg. C or less and pH 4-7, wherein R is C1-C6 alkyl or aromatic group. Further, a mole number rate of the sucrose and the N,N-dimethylcarboxamide dimethylacetal compound is 1:0.9 to 1:2.0.
Patent KR-20080056080-A (KR)
Title: Hinge mechanism
Inventor: GUNCHU IWASAKI
IPC: F16C11/04
Filed: 2007-08-31
Abstract: A hinge mechanism is provided to rotate or stop stably and smoothly, and to simplify the structure so as to reduce manufacturing cost. A hinge mechanism comprises a cylindrical member(5) having at least one projection(5b1) axially extended on the outer circumference thereof, a cylindrical elastic member(8) fitted in the cylindrical member to rotate and includes a slit(8b) extended axially on the outer circumference. The slit can be coupled to the projection. Rotations of the cylindrical member and cylindrical elastic member are controlled by coupling or separating the projection and slit.
Patent KR-20090026536-A (KR)
Title: Method for preparing surface-modified microchannels using a sol-gel process
Inventor: HAHN JONG HOON
IPC: G01N35/00
Filed: 2007-09-10
Abstract: A method for preparing surface-modified microchannels is provided to ensure excellent hydrophile property and fast electro osmotic flow, high organic solvent resistance and low absorption for neutral materials. A method for preparing surface-modified microchannels comprises (i) a step of manufacturing the sol gel solution by performing the sol-gel reaction about alkoxysilane-containing precursor solution; and (ii) a step of contacting the sol gel solution manufactured from the (i) step on he surface of the oxidized polydimethylsiloxane microchannel.
Patent KR-20090028953-A (KR)
Title: Method for automatic clustering, and method and apparatus for multipath clustering in wireless communication using the same
Inventor: PARK JAE JOON
IPC: H04L12/28
Filed: 2007-09-17
Abstract: An automatic clustering method, a multipath clustering method using the same and an apparatus thereof in a mobile communication environment are provided to set an initial cluster center value by using hierarchical clustering algorithm, thereby preventing performance from being lowered except the initial cluster center value. An initial cluster center is obtained through hierarchical clustering algorithm(S310). The initial cluster center is reset by a planar clustering algorithm. Clustering of data groups is performed according to the reset cluster center. An optimum cluster number is determined by calculating verification indexes about the clustered data groups. The hierarchical clustering algorithm defines a distance between clusters by an average distance between samples.
Patent KR-20090028964-A (KR)
Title: Breast wall structure possessing drain and method for constructing the same
Inventor: LEE JAE HEUNG
IPC: E02D29/02
Filed: 2007-09-17
Abstract: A retaining wall structure with drainage and a construction method thereof are provided to build the retaining wall structure on the rock wall or cut slope more conveniently, and to facilitate the collection and drainage of rainwater by using semi-perforated pipes. A retaining wall structure with drainage comprises a concrete slab prepared on the ground of rock wall or cut slope, a plurality of front decorative stones(20) arranged on the upper side of the concrete slab to be exposed forward, a plurality of rear support members(30) connected to the front decorative stones on the rear side of the front decorative stones, anchors interconnecting the front decorative stones and the rear support members, and a plurality of semi-perforated pipes(50) installed on the rear support members.
Patent KR-20080031116-A (KR)
Title: Articulating surgical stapling instrument incorporating a two-piece e-beam firing mechanism
Inventor: SHELTON FREDRICK E
IPC: A61B17/04
Filed: 2007-10-01
Abstract: A seaming apparatus for joint coupling surgery having a 2-part E-beam fire apparatus is provided to secure the proper interval between the groups of the end effecter which are clamped, and make the joint connection of the shaft easy. A seaming apparatus for joint coupling surgery having a 2-part E-beam fire apparatus includes a handle unit(14), and an executing unit. The handle unit operates to generate the firing movement from the handle unit. The executing unit responds the firing movement of the handle unit, and has an elongated channel(16) which is coupled with the handle unit and has a channel slot, and has a staple cartridge(12) which is accepted by the elongated channel and has an wedge member which moves up a driver which supports a staple, and has an anvil(22) which is coupled with the elongated channel as the type of the pivot and has an anvil channel, and has a firing apparatus which provides the interval between the elongated channel and the anvil to form the staple, and has a joint connecting joint which is coupled with the elongated channel, and has a thin firing strip which deliver the firing movement from the handle through the joint connecting joint. The firing apparatus has a mid member which operates the staple cartridge.
Patent KR-20090034541-A (KR)
Title: Array substrate for x-ray detector and x-ray detector having the same
Inventor: GOO KYUNG SANG
IPC: H01L31/115
Filed: 2007-10-04
Abstract: An array substrate for x-ray detector and x-ray detector having the same are provided to form the light shield layer in the peripheral unit of the array panel and to improve the detected quality of the X-ray image the quality. The array panel for the X-ray detector comprises a plurality of cells and light shield layer(370). Each cell is made of gate line, data line, and the thin film transistor and photo diode. Cells accumulate the electric charge corresponding to the quantity of light. The photo diode is connected to the thin film transistor. The light transformed from X-ray is input to the photo diode. The light shield layer covers the dummy pixels of the peripheral unit among cells. Therefore, the light shield layer blocks the light from being provided to the dummy pixel.
Patent KR-20090038584-A (KR)
Title: Cosmetic pack for chin and neck
Inventor: LEE SEUNG HEON
IPC: A45D44/22
Filed: 2007-10-16
Abstract: A jaw and neck exclusive face-pack is provided, which improves the elasticity while maintaining wetness of the skin around the jaw and neck and prevents the generation of wrinkle around the neck. A jaw and neck exclusive face-pack comprises: a first sheet(110) which is formed in the shape covering the skin of the jaw and in which the earring part of the arch shape is cut in both ends; and a second sheet(120) which is extended from one side of the first sheet and covers the skin of the neck. A plurality of earring parts(140) are distanced from each other at the constant interval. The depression(150) is formed in the center of the first sheet. The penetration hole(130) is formed in both sides of the second sheet. One or more cut-out unit(160) is formed in the circumference of the first sheet and the second sheet.
Patent KR-20090044532-A (KR)
Inventor: LEE JUNG SEOCK
IPC: H01L27/108
Filed: 2007-10-31
Abstract: 본 발명은 반도체 소자의 제조 방법에 관한 것으로, 실린더형 저장전극을 지지하기 위한 질화막 패턴 형성 공정 시 발생하는 TiF 계열의 폴리머를 TiCl 계열의 폴리머로 치환시켜 후속 클리닝 공정 시 쉽게 제거되도록 하여 실린더형 저장전극의 특성을 향상시키는 기술을 개시한다.
Patent KR-20090044929-A (KR)
Inventor: KIM SOO DONG
IPC: B22D41/00
Filed: 2007-11-01
Abstract: 본 발명은 무산화 주조를 위한 턴디시 탕면 보온재 도포용 밀폐장치에 관한 것으로, 연속 주조 작업을 위한 턴디시 탕로에 용강 주입 시 용강에 의해 용융되어 용강의 표면을 덮으며 비중차에 의하여 부상하되, 하부의 경사면에 보온재가 코팅처리되는 부상판이 설치됨으로써 용강과 산소와의 접촉을 차단하여 용강의 재산화를 방지하고, 이로 인해 주편의 품질을 향상시킬 수 있으며, 발열 작용과 보온 작용의 역할을 수행하여 용강의 온도 손실을 보상하여 래들의 출강구가 폐쇄되는 현상을 방지할 수 있으며, 보온재 투입 작업의 생략이 가능하여 보온재 투입 시 작업자에게 발생될 수 있는 안전 문제를 사전에 예방하고, 턴디시 예열 시 턴디시 커버 및 턴디시 탕 내부 벽체에서 낙하하는 내화물의 잔존물이 출강구를 폐쇄하거나, 용강과 같이 주입되어 용강의 품질을 저하시키는 것을 방지할 수 있으며, 이로 인해 청정강을 주조할 수 있는 무산화 주조를 위한 턴디시 탕면 보온재 도포용 밀폐장치에 관한 것이다. 
       
     무산화 주조, 턴디시, 밀폐장치, 중앙 부상판, 측면 부상판, 보온재, 결합부재
Patent KR-20090045445-A (KR)
Title: 주름형 피브이씨를 이용한 금속센딩을 구현한 필름 및 이를이용한 가전기기
Inventor: KIM KYUNG DO
IPC: B32B33/00
Filed: 2007-11-02
Abstract: 본 발명은 알루미늄층의 상면에 금속의 가공 질감을 가지는 피브이씨층이 형성되는 주름형 피브이씨를 이용한 금속센딩을 구현한 필름 및 이를 이용한 가전기기에 관한 것이다. 
     이와 같은 본 발명은, 금속질감을 나타내는 알루미늄층; 상기 알루미늄의 상면에 제공되며, 표면의 적어도 일부가 요철형상을 가지도록 가공되어 금속의 가공 질감을 나타내는 피브이씨층; 상기 피브이씨층의 상면에 제공되며, 표면의 경도를 향상시키기 위해 유브이 코팅처리되는 코팅층;이 포함된다. 이와 같은 본 발명에 의하면, 제조비용의 절감 및 제품 중량을 감소시킬 수 있는 이점이 있다. 
       
     가전기기, 금속, 알루미늄, 피브이씨, 필름
Patent KR-20090045973-A (KR)
Inventor: SOUNG KI WAN
IPC: B23P19/06
Filed: 2007-11-05
Abstract: 부러진 탭에 보다 큰 회전력을 가할 수 있으므로 탭을 쉽고 간편하게 제거하는 것이 가능하고 다양한 크기의 탭에 적용이 가능하도록, 막대형상으로 이루어지는 지지몸체와, 지지몸체에 나사결합되고 지지몸체의 한쪽 끝면으로부터 한쪽 끝부분이 나선방향으로 경사지게 돌출되어 설치되는 복수의 지지척을 포함하여 이루어지는 사이즈 조절이 용이한 탭 제거기를 제공한다. 
       
     탭, 탭핑, 나사, 가공, 부러짐, 제거, 드릴, 조립
Patent KR-20090046638-A (KR)
Inventor: SEO CHANG KI
IPC: H05B33/10
Filed: 2007-11-06
Abstract: 본 발명의 일 실시예에 따른 전계발광소자의 제조방법은 다수의 박막트랜지스터 및 다수의 제 1 전극을 포함하는 제 1 기판을 마련하는 단계, 제 1 전극 및 제 1 기판 상에 절연막을 형성하는 단계, 제 1 전극 상에 형성된 절연막의 일부를 언더에칭(under-etching)하는 단계, 제 1 기판을 다수의 제 2 기판으로 분할하기 위하여 그라인딩하는 단계, 다수의 제 2 기판을 애싱(ashing)하는 단계를 포함할 수 있다. 
       
     화소정의막, 애싱
Patent KR-20090047168-A (KR)
Inventor: SEO MYOUNG GUK
IPC: B23Q11/00
Filed: 2007-11-07
Abstract: 본 발명은 스핀들 에어 공급 장치에 관한 것이다. 
     본 발명의 일 실시예에 따른 스핀들 에어 공급 장치는, 메인 유로(11)가 형성된 베어링 하우징(10), 베어링 하우징(10)의 하측에 체결되고 메인 유로(11)와 연통되는 제5 유로(81)가 형성되는 하단 캡(80), 하단 캡(80)의 내주면에 고정 배치되고 제5 유로(81)와 연통되는 제11 유로(311)가 형성되는 제1 어댑터 링(310), 스핀들(300)의 하단 외측에 고정 배치되고 제10 유로(301)와 제11 유로(311)가 연통되도록 제12 유로(321)가 형성되는 제2 어댑터 링(320) 및 베어링 하우징(10)의 내측에 회전 가능하게 배치되고 일단이 제12유로(321)와 연통되며 타단이 내주면에 형성된 테이퍼 내면(31)과 연통되는 제10 유로(301)가 형성되는 스핀들(300)을 포함한다. 
       
     스핀들, 에어 공급, 공기압
Patent KR-20090049460-A (KR)
Inventor: JANG BYUNG HO
IPC: A61K8/97
Filed: 2007-11-13
Abstract: 천연재료로 이루어져서 피부에 보습 효과를 제공하는, 음이온을 발산하는 천연 보습 영양크림 조성물이 개시된다. 본 조성물은 알칼리 이온수, 솔잎 액상 추출물, 녹차 액상추출물 및 첨가제의 혼합물이 일정한 온도에서 발효되어 침전물과 상등액으로 구분되고, 상기 상등액이 일정한 온도에서 겔화되어 겔이 형성되고, 상기 겔이 상온으로 급랭되어 형성되는 피부보습용 영양크림 조성물이 제공된다.  본 발명의 영양크림 조성물은 천연재료로 이루어져서 인체에 대한 부작용이 없으며, 피부에 대한 침투력과 각질층에서의 수분 고정 기능이 우수하여 보습효과가 탁월하다는 효과를 지니고 있다.
Patent KR-20090051554-A (KR)
Inventor: LEE JONG SUB
IPC: F01M1/16
Filed: 2007-11-19
Abstract: 본 발명은 기본엔진의 오일회로를 간편하게 변경할 수 있도록 하는 차량 엔진의 오일회로 변경구조에 관한 것으로,  
     종래에는 기본엔진에 대한 오일회로와 변형엔진에 대한 오일회로를 별도로 구성함으로써 변형엔진의 경우 그에 적합한 실린더헤드의 신규 개발이 불가피하게 되고, 또한 VVL 제어를 위한 오일회로를 실린더헤드에 직접 구성하여야 하므로 구조가 복잡하고 이로 인한 금형 이원화 및 생산투자비 상승을 유발하게 되는 문제가 있었던 바, 
      실린더헤드에 어댑터 장착부를 마련하고, 어댑터 장착부에 장착되는 어댑터를 통해 별도의 제어용 오일회로를 구성하는 것을 특징으로 하는 본 발명에 의하면 기본엔진과 VVL 적용 엔진 등의 실린더헤드를 동일하게 설정하여 실린더헤드 사양을 단순화할 수 있게 되므로 생산투자비 절감을 도모할 수 있게 되며, 엔진 변형에 따른 오일회로 구성을 어댑터에서 제어하여 파생엔진 대응을 용이하게 할 수 있게 되는 등의 효과를 얻을 수 있게 된다. 
       
     기본엔진, 변형엔진, 실린더헤드, 어댑터, VVL, OCV
Patent KR-20090052110-A (KR)
Inventor: LEE BYUNG JOON
IPC: H04L12/66
Filed: 2007-11-20
Abstract: VoIP 단말간의 VoIP 음성 통화 중에 그 통화품질을 통화 지속 시간 동안 단말에서 주기적으로 측정하는 통화품질 측정방법 및 장치가 개시된다.  본 발명의 VoIP 단말의 통화품질 측정방법은, 상대방 VoIP 단말이 전송한 트래픽에 대한 요약정보를 수신하는 단계; 및 상기 상대방 VoIP 단말이 전송한 트래픽의 실제 수신정보와 상기 요약정보를 비교하여 통화품질을 계산하는 단계를 포함하는 것을 특징으로 한다.  이에 따라 VoIP 단말에서 통화 품질을 일정 주기별로 세밀하게 측정하고 전송하는 것이 가능하다. 
       
     VoIP, 통화품질, MOS