baber/WOPTO huggingface dataset:
Patent KR-20120069471-A (KR)
Title: Test handler and method for testing semiconductor device
Inventor: KIM JONG HYUN
IPC: H01L21/66
Filed: 2010-12-20
Abstract: PURPOSE: A test handler and a semiconductor device test method are provided to reduce the time for regulating the temperatures of semiconductor devices during a test of the semiconductor devices. CONSTITUTION: A test handler(1) comprises a chamber unit for testing semiconductor devices received in a test tray(T). The chamber unit comprises a test chamber(21) having a high fix board(H). A first contact unit(3) connects the semiconductor devices received in the test tray to the high fix board. A first temperature control unit(4) selectively provides first heating liquid and first cooling liquid to the semiconductor devices in contact with the first contact unit.
Patent KR-20120069788-A (KR)
Title: A transmission cut off control apparatus for a construction heavy equipment and the control method thereof
Inventor: KIM SUNG IL
IPC: E02F9/20
Filed: 2010-12-21
Abstract: PURPOSE: A device and a method for controlling transmission cutoff of heavy construction equipment are provided to efficiently perform excavation and dumping works by concentrating transmission power on the front of the device. CONSTITUTION: A device for controlling transmission cutoff of heavy construction equipment comprises a displacement sensor(120), a vehicle control unit(110), a transmission control unit(140), a proportional valve block(150), and a brake pressure sensor(160). The displacement sensor senses the height of a boom. The sensed signal is inputted to the vehicle control unit. The transmission control unit is connected to the vehicle control unit and controls a transmission clutch cutoff function. The proportional valve block is connected to the transmission control unit and controls the traveling of a vehicle. The brake pressure sensor is connected to the transmission control unit and senses brake pedal pressure.
Patent KR-20120072273-A (KR)
Title: Cool dog house
Inventor: CHOI HYUN HO
IPC: A01K1/02
Filed: 2010-12-23
Abstract: PURPOSE: A doghouse having height adjustable roof is provided to prevent the generation of bad smell in the doghouse by ventilating the doghouse. CONSTITUTION: A doghouse having height adjustable roof comprises a roof main body(10) and a house main body(20). In the roof main body, an adjusting rod(11) is formed. In a groove(21) formed in the main body, the adjusting rod is inserted and is fixed by an adjustment nail. In rainy or cold days, a gap between the roof main body and house main body are blocked in order to prevent rain water or cold wind from entering the gap.
Patent KR-20120073692-A (KR)
Title: Mixing band for continuous casting machine
Inventor: YANG DUCK SOO
IPC: B22D11/103
Filed: 2010-12-27
Abstract: PURPOSE: A mixing band of a continuous casting machine is provided to obtain each transportation and installation and working stability by employing a cylindrical structure with a controllable width. CONSTITUTION: A mixing band of a continuous casting machine comprises a plurality of first and second blocking plates(110,120), a first steel band(130), and a second steel band(140). The first blocking plates are formed with longitudinal trench type grooves. The second blocking plate are formed in the same shape as the first blocking plates and coupled to the respective first blocking plates so as to be drawn in and out of one end of the first blocking plates. The first and second steel bands are formed in the same round band shape and fix the first and second blocking plates inside thereof.
Patent KR-20100047232-A (KR)
Title: Non-zeolite base metal scr catalyst
Inventor: COLLIER JILLIAN ELAINE
IPC: F01N3/20
Filed: 2008-06-25
Abstract: A method of converting nitrogen oxides in a gas stream to nitrogen comprises contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a non-zeolite base metal catalyst consisting of: (a) at least one transition metal dispersed on a mixed oxide or composite oxide or a mixture thereof as support material consisting of cerium and zirconium; or (b) cerium oxide and zirconium oxide as single oxides or a composite oxide thereof or a mixture of the single oxides and the composite oxide dispersed on an inert oxide support material, whereon is dispersed at least one transition metal.
Patent KR-20100039369-A (KR)
Title: Organic electroluminescent device and material for organic electroluminescent device
Inventor: NISHIMURA KAZUKI
IPC: C09K11/06
Filed: 2008-05-16
Abstract: An organic electroluminescent device which comprises a cathode, an anode, and an organic thin film layer disposed between the electrodes and composed of one or more layers, wherein the organic thin film layer includes at least one luminescent layer and at least one of the luminescent layer(s) comprises at least one phosphorescent material and a host material represented by the following formula (1). Ra-Ar-Ar-Rb (1) (In the formula, Ar, Ar, Ra, and Rb each represents an (un)substituted benzene ring or a fused aromatic hydrocarbon group selected among a naphthalene ring, chrysene ring, fluoranthene ring, triphenylene ring, phenanthrene ring, benzophenanthrene ring, dibenzophenanthrene ring, benzotriphenylene ring, benzochrysene ring, picene ring, and benzo[b]fluoranthene ring each optionally substituted.)
Patent KR-20100040741-A (KR)
Title: Brake system for a vehicle and method for operating a brake system for a vehicle
Inventor: STRENGERT STEFAN
IPC: B60T8/88
Filed: 2008-06-30
Abstract: The invention relates to a brake system (10) for a vehicle having a first and a second brake control device (30a, 30b), four wheel actuator devices (34a, 34b, 36a, 36b), which are each assigned to one wheel of the vehicle, and a first and a second signal line (32a, 32b), wherein the first signal line (32a, 32b) connects the first brake control device (30a, 34b, 36a, 36b) to two of the four wheel actuator devices (34a, 32b), and the second signal line (32a, 32b) connects the second brake control device (30a, 30b) to the two other wheel actuator devices (34a, 34b, 36a, 36b), wherein each of the four wheel actuator devices (34a, 34b, 36a, 36b) are additionally designed to detect, when in the active state, whether a predetermined number of brake control devices (30a, 30b) and/or wheel actuator devices (34a, 34b, 36a, 36b) is in an inactive state, and if it is detected that the predetermined number of brake control devices (30a, 30b) and/or wheel actuator devices (34a, 34b, 36a, 36b) are in an inactive state, to exert a predetermined brake torque (52) on the vehicle wheel assigned to the brake control device (30a, 30b). In addition, the invention relates to a corresponding method for the operation of a brake system (10) for a vehicle.
Patent KR-20100055437-A (KR)
Title: Instant powder drink
Inventor: FUKUDA MASAHIRO
IPC: A23L2/39
Filed: 2008-08-29
Abstract: The bitterness and astringency of an instant powder drink containing a high content of non-polymer catechins are reduced to improve the flavor, and further the flavor and appearance stability after the powder drink is reconstituted to a drink are also improved. The instant powder drink comprising the following components (A) and (B): (A) a purified product of a green tea extract obtained by purifying a green tea extract in a mixed solution of ethanol and water at a mass ratio of 99/1 to 75/25 in an amount of 0.5 to 20.0% by mass; and (B) hydroxycarboxylic acid or a lactone thereof or a salt thereof in an amount of 0.01 to 10.0% by mass, wherein the content of non-polymer catechins is from 0.5 to 15.0% by mass.
Patent KR-20100125219-A (KR)
Title: Vibration authoring tool, vibration authoring method, and storage medium recorded with the same
Inventor: RYU JONG HYUN
IPC: G10H1/00
Filed: 2009-03-13
Abstract: PURPOSE: A vibration authoring tool, a vibration authoring method, and a storage medium recorded with the same are provided to store a product in an XML file format and support various vibration actuators to perform realistic music reproduction in real time. CONSTITUTION: A scale definer(20) defines a scale by adjusting the frequency, amplitude and waveform of vibration. A clef definer(30) matches each staff line of a sheet of music with some of frequencies, and a head number of each musical note with some of amplitudes. A score authoring unit(40) authors the sheet of music by inputting the symbol, and a reproducer(60) reproduces the authored sheet of music.
Patent KR-20100074124-A (KR)
Title: (1s,2s,3s,4r)-3-[(1s)-1-acetylamino-2-ethyl-butyl]-4-guanidino-2-hydroxy-cyclopentyl-1-carboxylic acid hydrates and pharmaceutical uses thereof
Inventor: LI SONG
IPC: C07C279/02
Filed: 2008-08-13
Abstract: (1S, 2s, 3S, 4R)-3-[(1S)-1-acetylamino-2-ethyl-butyl]-4-guanidino-2-hydroxyl-cyclopentyl-1-carboxylic acid hydrates compounds, preparing methods thereof, pharmaceutical compositions containing said compounds and preparing methods thereof, and the clinic uses of said compounds as neuramidinase inhibitors for anti-influenza.
Patent KR-20100096094-A (KR)
Inventor: MASHIMA YUKIHIKO
IPC: A61P43/00
Filed: 2008-10-17
Abstract: 본 발명은 백내장의 처치에 유효한 의약 조성물을 제공하는 것을 목적으로 한다.  VAP-1 저해제를 유효 성분으로서 포함하는, 백내장의 처치를 위한 의약 조성물, 특히 화학식 I로 표시되는 화합물 등을 유효 성분으로서 포함하는, 백내장의 처치를 위한 의약 조성물을 제공한다. 
<화학식 I> 
   
(식 중, 각 기호의 정의는 명세서에 정의된 바와 같음)
Patent KR-20100082799-A (KR)
Title: Optical substrate and method of making
Inventor: OLCZAK EUGENE GEORGE
IPC: G02B5/04
Filed: 2003-05-13
Abstract: An optical surface substrate. The optical substrate features a three-dimensional surface having a correlation length of about 1 cm or less. The optical substrate is defined by a first surface structure function modulated by a second surface structure function, the first surface structure function producing at least one specular component from a first input beam of light. The optical substrate is suitable for use in a variety of applications, including brightness enhancement and projection devices.
Patent KR-20100086051-A (KR)
Title: Phosphor and led light-emitting device using the same
Inventor: ISHII TSUTOMU
IPC: C09K11/79
Filed: 2008-12-04
Abstract: Disclosed is an LED light-emitting device having high color rendering properties, which is free from color variations. This LED light-emitting device is capable of emitting uniform light which has not been conventionally possible. Specifically disclosed is a phosphor having a composition expressed as (SrBaMgMnEu)SiO(wherein x, y, z and i each represents a coefficient satisfying 0.1 < x < 1, 0 < y < 0.5, 0 < z < 0.1, y > z, and 0.01 < i < 0.2). An LED light-emitting device is obtained by using this phosphor and ultraviolet and blue light-emitting diodes each having an emission peak wavelength at 360-470 nm in combination.
Patent KR-20100107456-A (KR)
Inventor: LASSER MENAHEM
IPC: G06F12/08
Filed: 2008-12-10
Abstract: 호스트 기록 작업과 캐시 플러싱을 균형화하기 위한 방법과 시스템이 개시되어 있다. 이 방법은, 자체 캐싱 저장 장치의 캐시 저장부 부분의 가용 용량을 결정하는 단계와, 가용 용량이, 요구되는 임계값 미만인 경우 호스트 기록 명령에 대한 캐시 플러싱 단계의 비를 결정하는 단계와, 이 비를 얻기 위해 호스트 기록 명령으로 캐시 플러싱 단계를 인터리빙하는 단계를 포함한다. 캐시 플러싱 단계는 호스트 기록 명령을 실행한 후 사용중 상태로 저장 장치를 유지하고 이 추가 시간을 캐시 저장부로부터 데이터의 일부를 주 저장부로 복사하는데 사용하여 실행될 수 있다. 이 시스템은, 캐시 저장부, 주 저장부 및 호스트 기록 명령에 대한 캐시 플러싱 단계의 비를 결정하고 호스트 기록 명령 후 사용중 상태를 유지하면서 캐시 플러싱 단계를 실행함으로써 호스트 기록 명령에 대한 캐시 플러싱 단계의 비를 실행하도록 구성된 제어기를 포함할 수 있다.
Patent KR-20100126667-A (KR)
Title: Single radio voice call continuity
Inventor: STOJANOVSKI SASO
IPC: H04W36/14
Filed: 2008-12-19
Abstract: The present invention discloses a node (207, 217) for achieving co-existence of single radio voice call continuity, SR-VCC, solutions in a communication system between a source cell of a first radio access network that supports packet switched voice and a target cell of a second radio access network that supports at least circuit switched voice. The node (207, 217) is operable to perform bearer splitting by separating voice bearers from non-voice bearers based on information about support for dual transfer mode, packet switched handovers and voice over internet protocol related enhancements in the target cell.
Patent KR-20100116599-A (KR)
Inventor: JENMALM JENSEN ANNIKA
IPC: C07D403/12
Filed: 2009-01-28
Abstract: 본 발명은 R 1 , R 2  및 R 3 가 본 명세서 중에 정의된 바와 같은 화학식 I의 화합물에 관한 것으로서, 이들 화합물은 단백질 키나아제, 특히 Fms-유사 티로신 키나아제 3(FLT3)의 억제제로서 작용할 수 있다. 또한 본 발명은 치료를 위한 화합물의 용도, 상기 화합물을 포함하는 약학 조성물과, 혈액 종양, 예컨대 AML, MLL, T-ALL, B-ALL 및 CMML, 골수증식성 질환, 다른 증식성 질환, 예컨대 암, 자가면역 질환 및 피부 질환, 예컨대 건선 및 아토피성 피부염의 예방 및 치료용 의약의 제조를 위한 상기 화합물의 용도에 관한 것이다.
Patent KR-20100101012-A (KR)
Inventor: KONOUE MASAHARU
IPC: H01F17/00
Filed: 2009-04-13
Abstract: 내부도체를 구성하는 Ag의 마이그레이션을 억제함과 아울러 자성체 세라믹층과 내부도체층 사이에 공극을 형성하는 일없이 내부응력의 문제를 완화하여 직류저항이 낮고, 또한 서지 등에 의한 내부도체의 단선이 발생하기 어려운 신뢰성이 높은 적층 코일 부품을 제공한다. 내부도체(2)의 표면에 금속막(20)을 분포시키고, 금속막(20)을 포함하는 내부도체(2)와 내부도체 주위의 자성체 세라믹(11)의 계면(A)에는 공극이 존재하지 않으며, 또한 내부도체(2)와 자성체 세라믹(11)의 계면(A)이 해리된 상태로 된다. 자성체 세라믹 소자의 측면으로부터 내부도체의 측부와 자성체 세라믹 소자의 측면 사이의 영역인 사이드 갭부를 거쳐서 금속을 함유하는 산성 용액을 침투시키고, 내부도체와 그 주위의 자성체 세라믹의 계면에 산성 용액을 도달시킴으로써 내부도체의 표면에 상기 금속을 석출시킨다.
Patent KR-20110008010-A (KR)
Inventor: CECCOTTI ARIO
IPC: E04B1/61
Filed: 2008-01-23
Abstract: 패널용 연결 요소는, 제1 패널(3)에 고정될 수 있는 적어도 하나의 판(2)과, 판(2)에 연결되고 제2 패널(5)의 공동(6) 내에 삽입되어 제1 패널(3)에 제2 패널을 연결할 수 있는 연결 본체(4)를 포함하며, 연결 본체(4)는 실질적으로 "V" 형상의 단면을 가지며, 공동(6) 내에 완전히 삽입될 수 있는 상부 모서리(9)를 구비한다.
Patent KR-20100124280-A (KR)
Inventor: MOENIG STEFAN
IPC: B60R25/0215
Filed: 2009-03-05
Abstract: 본 발명은 구동 장치(20)를 구비한 자동차, 특히 모터사이클의 기능 부품(30), 특히 조향축(30)의 블로킹 요소(11)를 제어하기 위한 방법에 관한 것으로, 상기 구동 장치에 의해 블로킹 요소(11)가 로킹 상태(1) 및 언로킹 상태(2)로 이동될 수 있고 그 반대로도 이동될 수 있으며, 블로킹 요소(11)는 로킹 상태(1)에서 상기 기능 부품(30)과 기계적으로 맞물리고, 언로킹 상태(2)에서 상기 기능 부품(30)으로부터 분리되며, 상기 로킹 프로세스는 운전자의 정의된 트리거링 동작을 통해 개시되며, 상기 로킹 프로세스 시 블로킹 요소(11)는 언로킹 상태(2)로부터 로킹 상태(1)로 이동된다.  본 발명에 따라, 블로킹 요소(11)의 로킹 상태(1)의 구현이 저지되는, 부품(30)의 발생 가능한 위치 이상을 검출할 수 있는 제어 유닛(40)에 의해 모니터링이 실시됨으로써, 블로킹 요소(11)는 트리거링 동작이 수행되어도 본래의 언로킹 상태(2)를 취하게 된다.
Patent KR-20100125417-A (KR)
Inventor: WALDRAFF CHRISTIAN
IPC: C07D413/12
Filed: 2009-03-13
Abstract: 본 발명은 3-(5,6-디하이드로-1,4,2-디옥사진-3-일)-N-[(4,6-디메톡시피리미딘-2-일)카바모일]피리딘-2-설폰아미드의 선택 염, 그의 제조방법, 및 제초제, 특히 콩과 식물에서 원치않는 유해 식물을 선택적으로 방제하거나, 비경작지 또는 플랜테이션 작물에서 유해 식물을 비선택적으로 방제하기 위한 제초제, 및 식물 성장 조절제로서의 그의 용도에 관한 것이며, 이는 자체로 또는 약해완화제(safener)와 함께, 및/또는 즉석 믹스 또는 탱크 믹스로서 동시 및/또는 순차 적용되어 특정 작물에서 원치않는 유해 식물(예를 들면 광엽/잡초 풀)을 방제하거나, 작물 보호 조절제로서 사용되는 것이 공지된 다른 제초제와 배합하여 사용된다.
Patent KR-20110027706-A (KR)
Inventor: RILEY JOHN D
IPC: C02F1/04
Filed: 2009-06-23
Abstract: 정수 및 수증기 생성 시스템 및 방법은 오염수를 용기 내로 도입하는 것을 포함한다.  물은 고정 배플에 의해 교호적으로 분리된 일련의 회전 트레이를 통해 이동하여 회전 및 가열되어 증기화됨으로써 적어도 일부 오염물이 분리된 증기를 생성한다.  증기는 분리된 오염물과 잔류수와 별도로 응축되도록 용기로부터 제거된다.  증기는 발전기에 연결된 터빈을 통과할 수 있다.  컨트롤러 내에 센서를 채용하여 감지된 상태에 응답하여 트레이의 회전 속도 또는 용기 내로의 물의 유입을 조정할 수 있다.  처리된 물은 순도의 향상을 위해 용기를 통해 재순환 및 재처리될 수 있다.
Patent KR-20120081851-A (KR)
Title: Antifouling coating composition with excellent antifouling property by the various molecular weight distribution control
Inventor: CHO SUNG JE
IPC: C09D167/00
Filed: 2011-01-12
Abstract: PURPOSE: An antifouling paint composition is provided to control various molecular weight distribution, thereby capable of controlling antifouling performance, abrasion rate, and coating performance. CONSTITUTION: An antifouling paint composition is obtained by polymerization of a binder resin, metal oxide, and organic antifouling agent. The binder resin comprises a carboxy group-containing ester compound of a branched structure in chemical formula 1 of which hydroxy group in terminal of polyhydric alcohol is combined with fatty acids and acid anhydride; a transition metal-containing ester compound in chemical formula 2, a transition metal compound comprising an unsaturated double bond, and a radically polymerizable monomer comprising an unsaturated double bond.
Patent KR-20110018932-A (KR)
Title: Auto sprinkler head
Inventor: SONG JOON YOUNG
IPC: A62C35/58
Filed: 2011-01-19
Abstract: PURPOSE: A sprinkler head for controlling the length is provided to reduce damage due to fire by quickly sensing the fire. CONSTITUTION: A sprinkler head controls the length of an outer body(1) and an inner body(2) of a sprinkler according to a building and the fire and moves the inner body and the outer body. A heat connector(4) is formed on the lower side of a sprinkler installed on a ceiling. If a fire occurs, the heat connector is separated from the sprinkler body and a reflection plate(3) is protruded to the lower side of the ceiling due to water pressure. Water(5) for fire-fighting is spread on a fire area by being reflected to the reflection plate.
Patent KR-20110088442-A (KR)
Title: Probe card and semiconductor device test socket
Inventor: I CHAE YUN
IPC: H01L21/66
Filed: 2011-01-26
Abstract: PURPOSE: A probe card and a semiconductor device test socket are provided to reduce working time and operation costs and to improve the productivity by being simplified an assembling process. CONSTITUTION: A printed circuit board(10) comprises a circuit pattern and a penetration hole(11) electrically connected to the circuit pattern. A support block(30') is fixed to one side of the printed circuit board. One end of a plurality of wires(60) is inserted and fixed in a penetration hole(31) of the support block and other end is inserted and fixed in the penetration hole of the printed circuit board. An elastic member is located in between the support block and the printed circuit board. The penetration hole of the printed circuit board is extended to the penetration hole of the support block.
Patent KR-20120054500-A (KR)
Title: Multisteps voltage-controlling circuit having automatic temperature-compensative function and method for controlling voltage with using same
Inventor: WANG DER JIUNN
IPC: G05F1/567
Filed: 2011-01-28
Abstract: PURPOSE: A multi-phase voltage control circuit which has automatic temperature compensation function and a method thereof are provided to reduce manufacturing costs without using an inductor and a power transistor part. CONSTITUTION: A plurality of charge pumps(34,35,36) is connected to an input power source. A temperature compensator(31) detects environmental temperatures. The temperature compensator outputs reference voltage from the detected environmental temperatures. A comparison unit(32) is connected to the temperature compensator. The comparison unit creates a comparison signal by comparing reference voltage and output power source voltage. A control logic circuit automatically controls the output power voltage.
Patent KR-20120088367-A (KR)
Title: An object tracking system based on a ptz(pan-tilt-zoom) camera using mean-shift algorithm
Inventor: LEE SANG GU
IPC: H04N7/18
Filed: 2011-01-31
Abstract: PURPOSE: An object tracking system using a PTZ(Pan-Tilt-Zoom) camera based mean-shift algorithm is provided to find a locations of an object from a previous frame to a next frame by an average shift algorithm. CONSTITUTION: An image input unit(31) receives a photographing image of a target monitoring area from a PTZ camera. A preprocessing unit(32) preprocesses the photographing image. An object extracting unit(33) extracts an object from the photographing unit. An object tracking unit(34) calculates a shift spot using a mean shift algorithm wherein the object moves to the shift spot. A camera control unit(35) moves a focus of the PTZ camera to the shift spot.
Patent KR-20120091953-A (KR)
Title: Video broadcasting server having a function of self-transmission
Inventor: LEE JUN HEE
IPC: H04H20/65
Filed: 2011-02-10
Abstract: PURPOSE: A video transmitting server having a stand-alone transmission function is provided to directly transmit broadcasting content from a video broadcasting server to a user terminal in case there is communication interference in a transmitter. CONSTITUTION: A video server unit(110) generates a video file as video frame data after decompressing the video frame data. A character generator(120) renders character video data which is mixed to a video frame. A video mixer(130) mixes the video frame data which is generated by the video server unit with the rendered character video data. A stand-alone transmitting manager(140) manages stand-alone transmission of broadcasting content.
Patent KR-20110115076-A (KR)
Inventor: PARK OK SIL
IPC: C21D9/08
Filed: 2011-02-28
Abstract: 본 발명은 고온열기 대류유도 방식의 열처리로에 관한 것으로, 본 발명에 따른 고온열기 대류유도 방식의 열처리로는 피처리물을 수용하기 위한 가열공간을 구비하고, 상부에 길이 방향을 따라 적어도 하나 이상의 퍼지댐퍼가 마련된 가열로와, 상기 가열로의 좌, 우측면 소정 위치에 상기 가열로의 길이 방향을 따라 일정 간격 이격하여 마련된 다수개의 가열버너와, 상기 가열로의 바닥 양측면에 상기 가열로의 길이 방향을 따라 서로 대칭되게 마련되며, 상부면에 길이 방향을 따라 적어도 하나 이상의 배출홀이 형성된 연돌을 포함한다.
Patent KR-20120107215-A (KR)
Title: Methematics education service system, mathematics question providing apparatus, user terminal, cloud computing service apparatus, mathematics learning service providing method and cloud computing service providing method
Inventor: PARK KEUN TAE
IPC: G06Q50/20
Filed: 2011-03-21
Abstract: PURPOSE: A mathematics education service system, a mathematics education service terminal, a student terminal, a clouding computing service device for providing a mathematics question, a mathematics question study service providing method, and a clouding computing service providing method are provided to adaptively supply a mathematics study service according to a study history of a student, thereby providing an optimized and customized mathematical education service to an individual user. CONSTITUTION: A problem managing unit(310) encodes a mathematics question. The problem managing unit stores and manages the encoded mathematics question, semantic information, and metadata. A student managing unit(320) authenticates a right about a student of a student terminal. The student managing unit stores and manages a study history of the student. A communication and session managing unit(330) transmits a mathematics question corresponding to a determined study environment to the student terminal. [Reference numerals] (310) Problem managing unit; (320) Student managing unit; (330) Communication and session managing unit
Patent KR-20120107358-A (KR)
Title: A meter is water supply
Inventor: LEE SEUNG YONG
IPC: G01F15/14
Filed: 2011-03-21
Abstract: PURPOSE: A backward flowing prevention water meter is provided to efficiently prevent a leakage by not forming a separate opening and to reduce manufacturing costs by a weight reduction. CONSTITUTION: A backward flowing prevention water meter comprises a backflow prevention valve(30). An inner diameter size of an outlet(14) of an outflow pipe(13) is formed larger than a standard size so that the backflow prevention valve is inserted. The backflow prevention valve is composed of a disk(31) and pivot axis(32). The left and right side balance of an inflow pipe and the outflow pie are maintained and the backflow prevention valve is installed to be closely adhered to a valve seed(17) while rotating the backflow prevention valve toward an inner side of the outflow pipe. A busing(20) for closing and standardizing a product standard size is installed in the outlet of the outflow pipe.
Patent KR-20120108308-A (KR)
Title: Manufacturing apparatus for environment-friendly diesel using waste edible oil
Inventor: NAM SE WOO
IPC: B01J19/18
Filed: 2011-03-23
Abstract: PURPOSE: An environment-friendly diesel manufacturing device using waste cooking oil is provided to improve the production efficiency of biodiesel by successively removing impurities by circulating the waste cooking oil by a force. CONSTITUTION: An environment-friendly diesel manufacturing device using waste cooking oil includes a first pipe(20), a filter assembly(30), an oil pump(40), and a temperature sensor. The first pipe is extended from an outlet(11) of a stirring tank(10). The filter assembly is connected to the first pipe, and includes plural filters which are directly connected to each other. The oil pump pulls in and discharges the waste cooking oil passed through the filter assembly. A second pipe transfers the waste cooking oil discharged from the oil pump to a transfer tank. The temperature sensor detects the temperature of the waste cooking oil inside the stirring tank.