baber/WOPTO huggingface dataset:
Patent KR-20100123861-A (KR)
Inventor: TAKAI YASUSHI
IPC: A47L9/00
Filed: 2009-05-28
Abstract: 본 발명은, 본체 케이스(25)의 양측이며 또한 청소기 본체(13)의 무게 중심의 하방의 위치에 주행륜(51)을 회전 가능하게 설치한다.  본체 케이스(25)의 주행륜(51)의 회전축(57)보다도 후방에 바닥면 F측으로 진퇴 가능하게 후륜(52)을 설치한다.  후륜(52)을, 바닥면 F를 향해 진출하는 방향으로 가압하고, 진출 상태에서 바닥면 F에 접촉 가능하게 한다.  후륜(52)이 바닥면 F에 대해 적절한 접촉 압력으로 접촉하므로, 청소기 본체(13)의 선회성을 저하시키지 않고, 주행륜(51)만으로 주행하는 경우보다도 직진성을 향상시킬 수 있다.
Patent KR-20100123867-A (KR)
Inventor: MASE KEIJI
IPC: C09K3/14
Filed: 2009-03-04
Abstract: 블라스트 가공에 의해 피가공물 표면의 경면화, 광택면화 등을 실현할 수 있는 연마재를 제공한다. 
연마용 입자와 폴리로텍산이 혼재한 상태에서 상기 폴리로텍산의 환상분자 간을 화학적으로 결합시켜, 상기 환상분자를 가교점으로 한 그물눈 구조를 가짐과 동시에, 상기 연마용 입자가 분산 배합된 가교 폴리로텍산 화합물을 얻는다. 이 가교 폴리로텍산 화합물을 소정의 입경으로 조립해, 분산 배합된 연마용 입자의 일부가 표면에 노출된 겔상의 연마재를 얻는다.  
이와 같이 해서 얻어 진 겔상의 연마재를, 피가공물의 표면에 대해서 경사진 각도로 투사하는 블라스트 가공에 사용하면, 피가공물 표면이 배 껍질 모양으로 거칠게 되는 일 없이, 피가공물을 경면 등으로 가공할 수 있다.
Patent KR-20100126778-A (KR)
Inventor: NOMURA MASUMI
IPC: F02C9/28
Filed: 2009-04-15
Abstract: 연료의 조성 또는 열량과 연소 진동 특성의 관계를 완화하여, 연소 진동 특성을 더욱 정확하게 파악함으로써, 연소 진동을 더욱 고정밀도로 억제하도록 한다.  가스 터빈(1)의 연소기(32)에서 발생하는 연소 진동 및 상기 연소기에 공급하는 연료(f)의 조성 또는 열량 및 다른 플랜트 상태량을 검출하여, 상기 검출치로부터 연소 진동 특성을 파악하고, 연소 진동이 발생하지 않는 운전 조건으로 되도록 연소기에 공급하는 연소 유량 또는 공기 유량을 증감할 때에, 연소 진동 및 연료 조성 또는 열량 및 다른 플랜트 상태량의 검출치를 상기 연료 조성 또는 열량의 값에 따라서 복수의 데이터 베이스로 분할하여 저장함으로써, 각 데이터 베이스에 저장된 데이터마다 행하는 연소 진동 특성의 근사 처리의 정밀도를 향상시키고, 2개의 데이터 베이스 사이에서 연료 조성 또는 열량의 경계 영역의 데이터를 중복해서 저장함으로써, 데이터 처리 시에 근사 처리에 의해 구한 연소 진동 특성을 나타내는 모델의 불연속성을 저감시킨다.
Patent KR-20100135823-A (KR)
Inventor: TAKAKI TAKESHI
IPC: C23C14/34
Filed: 2009-04-16
Abstract: 종래의 도전성 무기산화물 분말과 비교하여, 더욱 미립이고 또한 양호한 분체저항을 갖는 도전성 무기산화물 분말을 원료로서 사용하고, 조성이 균일하고 평활한 표면을 갖는 스퍼터링 타겟의 제공을 목적으로 한다. 이 목적을 달성하기 위해, 알루미늄, 갈륨 및 인듐으로부터 선택되는 1종 또는 2종 이상의 성분을 산화물 환산으로 0.1w% ~20.0wt% 도핑하여 도전성을 부여한, 평균 1차 입자경이 3nm~40nm인 도전성 무기산화물 분말을 형성하여 소결한 스퍼터링 타겟으로 한다. 이 도전성 무기 산화물 분말은, 평균 1차 입자경이 1nm ~ 30nm인 무기 산화물 분말 함유 슬러리에 알루미늄, 갈륨 및 인듐으로부터 선택되는 1종 또는 2종 이상의 성분을 함유시킨 상태에서 전해하는 전해 도핑법으로 제조한다.
Patent KR-20110008047-A (KR)
Inventor: BURGOON HUGH ALFRED
IPC: A61P29/00
Filed: 2009-04-20
Abstract: LIM 키나제 2의 억제제, 그를 포함하는 제약 조성물 및 그의 사용 방법이 개시된다.  특정 화합물은 하기의 화학식 I을 갖는다. 
<화학식 I>
Patent KR-20110014244-A (KR)
Inventor: HENRY MICHAEL J
IPC: G01J3/46
Filed: 2009-05-27
Abstract: 수리용 페인트 공식에 컬러 매칭시키는 컴퓨터로 구현되는 방법이 개시되어 있다.  이 방법은 차량 페인트에 대한 컬러 코드를 입력하는 단계와, 컬러 코드와 연관된 공식에 대해 컴퓨터 데이터베이스를 탐색하는 단계와, 디스플레이할 복수의 공식을 선택하는 단계와, 선택된 공식의 디지털 이미지를 복수의 시야각에서 디스플레이하는 단계와, 차량 페인트에 가장 일치하는 디스플레이된 공식 중 하나를 식별하는 단계와, 가장 일치하는 공식을 식별하는 단계를 포함한다.
Patent KR-20120078895-A (KR)
Title: 사이드 에어백 장치
Inventor: CHO KWANG SOO
IPC: B60R21/207
Filed: 2011-01-03
Abstract: 간단한 구조로 시트에 장착되는 사이드 에어백 장치가 제공된다. 
이를 위해, 본 발명의 실시예에 의한 사이드 에어백 장치는, 승객이 앉을 수 있도록 마련된 시트의 골격을 형성하는 시트패널과, 에어백 쿠션의 내부에 배치되고, 상기 에어백 쿠션의 외부로 돌출되어 상기 시트패널에 후크 결합되는 후크결합부가 형성된 리테이너를 포함한다.
Patent KR-20110020879-A (KR)
Title: Treatment apparatus
Inventor: TOJO TOSHIHIRO
IPC: H01L21/3065
Filed: 2011-01-11
Abstract: PURPOSE: A treatment apparatus is provided to improve the uniformity of a plane to be processed by discharging process gases which is not reached to a target and is not reacted with it. CONSTITUTION: In a treatment apparatus, a mounting unit(3) for a substrate(S) is formed in the upper part of a processing container. . A processing gas supply unit(44) supplies process gases from the upper part of the mounting unit. A gas discharge unit discharges gases inside the processing container. An air guide member(5) is arranged around the mounting unit. An elevating mechanism(35) raises the air current guide member.
Patent KR-20120035822-A (KR)
Title: Single photon detector and photon number resolving detector
Inventor: CHO SEOK BEOM
IPC: H01L31/107
Filed: 2011-01-12
Abstract: PURPOSE: A single photon detecting device and a photon number resolving detecting device are provided to detect an avalanche with smaller amplitude than an electrostatic capacity response. CONSTITUTION: A subsignal generating unit(103) generates a subsignal. A light receiving element(101) receives a photon. A synthesis unit(102) synthesizes an output signal of the light receiving element and the subsignal. An avalanche determining unit(104) receives a synthesized signal of the synthesis unit. The avalanche determining unit determines the reception of the photon.
Patent KR-20110088453-A (KR)
Title: Active ray-sensitive or radiation-sensitive resin composition and pattern forming method using the same
Inventor: TAKAHASHI HIDENORI
IPC: H01L21/027
Filed: 2011-01-27
Abstract: PURPOSE: An active ray-sensitive or radiation-sensitive resin composition and a pattern forming method using the same are provided to improve line edge roughness and pattern shapes using electronic beam, X-ray, or extreme ultraviolet ray as exposing light source. CONSTITUTION: An active ray-sensitive or radiation-sensitive resin composition includes a repeating unit and a resin. The repeating unit generates acid by being decomposed by active ray or radiation ray. The resin includes two or more repeating units generating different alkaline soluble groups based on the action of acid. One repeating unit of the resin is represented by chemical formula V, and another repeating unit of the resin is represented by chemical formula VI. In the chemical formula V, the R51, the R52, and the R53 are respectively hydrogen atom, an alkyl group, a monovalent aliphatic hydrocarbon group, halogen atom, a cyano group, or an alkoxy carbonyl group. The R54 represents an alkyl group. The R55 and the R56 are respectively hydrogen atom, an alkyl group, a monovalent aliphatic hydrocarbon ring, or a monovalent aromatic ring.
Patent KR-20120089080-A (KR)
Title: Vertical alignment layer and liquid crystal display including the same
Inventor: KIM SUNG WOON
IPC: C09K19/56
Filed: 2011-02-01
Abstract: PURPOSE: A liquid crystal display device is provided to vertically align a liquid crystal of plus dielectric constant anisotropy. CONSTITUTION: A pair of electric field generating electrodes are located on a first substrate(100). A liquid crystal layer(3) is located between the first substrate and a second substrate(200). The liquid crystal layer includes liquid crystal molecules(31) with plus dielectric constant anisotropy. One or more alignment films(11,21) are located between the first substrate and the second substrate.
Patent KR-20120092835-A (KR)
Title: Mainpump for mini excavator having regulator for minimum flow control system using auto idle pressure signal
Inventor: LEE MIN HEE
IPC: F04B39/00
Filed: 2011-02-14
Abstract: PURPOSE: A main pump for a mini excavator having a regulator for minimum flow discharging using auto idle pressure signal is provided to prevent waste fuel consumption by installing a regulator for minimum flow discharging for reducing the tilting angle of a main pump. CONSTITUTION: A main pump for a mini excavator having a regulator for minimum flow discharging using auto idle pressure signal comprises a main pump(110), a main control valve, and a regulator(120). The regulator is composed of an auto idle piston(122) and a spring(123). The auto idle piston is installed to be connected to a swash plate(115). The spring offers elastic force to the auto idle piston. The pressure of the auto idle is applied to the spring(F1) and the elastic force of the spring is applied to the auto idle piston(F2). When the force of F1 is stronger than F1, the tilting angle of the swash plate is reduced to reduce the flow quantity discharged from the main pump.
Patent KR-20120094776-A (KR)
Title: Mask width control device for screen printer
Inventor: KO HYUNG RAE
IPC: B41F33/00
Filed: 2011-02-17
Abstract: PURPOSE: A device for adjusting a mask width of a screen printer is provided to apply masks of various sizes with one screen print regardless of the sizes of the masks caused by a change of a mask printing on a PCB(Printed Circuit Board). CONSTITUTION: A device for adjusting a mask width of a screen printer comprises a width adjustment fixing member(100), a guide rail, a plurality of guide runners, a width adjustment bar(400), a longitudinal width adjusting stopper(500), mask supporters(600,600'), a width adjustment hanging member(700), and a width adjustment guide member(800). The width adjustment fixing member comprises a plurality of width adjusting holes(110). The guide rail is symmetrically formed in left and right lower surface of the width adjustment fixing member in a longitudinal direction. The guide runner is joined to the guide rail, thereby being slid along the guide rail. The width adjustment bar comprises a plurality of vertical fitting grooves(410). The stopper is fitted and joined to the vertical fitting groove and adjusts a longitudinal width according to a longitudinal length of a mask. The mask supporters are respectively joined to lower surfaces of the vertical fitting grooves in a front side and rear side of lower surfaces of the width adjustment bar. The width adjustment hanging member is adjusted by corresponding to a longitudinal width of the mask. The width adjustment guide member is linearly slid, spaced, and adjusted by guiding the width adjustment bar.
Patent KR-20120096843-A (KR)
Title: Electronic device having solderball attachment member and the combination method thereof
Inventor: KIM DONG CHOUL
IPC: H01L21/60
Filed: 2011-02-23
Abstract: PURPOSE: An electronic component and a coupling method equipped with a solder ball attaching part are provided to improve durability by forming a predetermined pattern on the solder ball attaching part. CONSTITUTION: Solder ball attaching parts(16a,16b) are connected to a solder ball. A lattice uneven shaped pattern is formed on the solder ball attaching parts in a direction where the moving distance of an electron passing through the solder ball attaching part and the solder ball increases. The electronic component includes a substrate in which a conductive line(14) is formed on an insulating plate A stripe pattern is prepared in a conductive line in a right angle direction.
Patent KR-20120098010-A (KR)
Title: Oil volume measuring apparatus using magnetic force
Inventor: LEE GAP JEONG
IPC: G05D9/00
Filed: 2011-02-28
Abstract: PURPOSE: A device for measuring an oil volume using magnetic force is provided to enhance the accuracy of an oil volume measurement by comprising a float guide because the float guide makes a float vertically move without horizontally moving when oil is injected. CONSTITUTION: A device(1000) for measuring an oil volume using magnetic force comprises a sensor unit(100) and a volume measurement unit(200). The sensor unit comprises a magnetic force sensor(130) measuring magnetic force. The volume measurement unit is composed of a float(230), a float guide(220), and a volume measuring vessel. The float comprises a magnetic(232). The float is placed in the inside of the float guide and the float guide guides the float when the float moves up and down. The float guide is comprised in the volume measuring vessel and oil is injected into the volume measuring vessel. [Reference numerals] (AA,BB) Oil
Patent KR-20120098240-A (KR)
Title: Identification of mannanase from clostridium cellulovorans and application of cellulosome complex for hydrolysis of galactomannan
Inventor: HAN SUNG OK
IPC: C12P19/00
Filed: 2011-02-28
Abstract: PURPOSE: A mannanase isolated from Clostridium cellulovorans is provided to ensure excellent enzyme activation and to effectively produce biofuel from ligneous biomass. CONSTITUTION: A mannanase isolated from Clostridium cellulovorans contains has an amino acid sequence of sequence number 1. A gene encoding the mannanase has a base of sequence number 2. A recombinant vector contains the gene. A method for decomposing ligneous biomass comprises a step of treating the ligneous biomass with the mannanase. A composition for decomposing ligneous biomass contains a complex of mini CbpA and endoglucanase E as an active ingredient.
Patent KR-20120105142-A (KR)
Title: No broken a china vessel
Inventor: KIM GOANG NGYUN
IPC: C04B33/24
Filed: 2011-03-15
Abstract: PURPOSE: A ceramic ware is provided to have smooth surface and not to be broken by making with metal, plastic, acryl, or wood and glaze processing thereof. CONSTITUTION: A manufacturing method of ceramic wares comprises the following steps: manufacturing a ceramic ware imitation by using metal, plastic, acryl or timber; and making the surface smooth by drawing and glaze-processing. The first step is processed by the following methods: and casting with metal, plastic or acryl, or pressing a metal plate or shaving tree.
Patent KR-20120106338-A (KR)
Title: Conveyor bypass device and method for bypassing using the same
Inventor: KIM JONG WON
IPC: B65G43/10
Filed: 2011-03-18
Abstract: PURPOSE: A conveyor bypass apparatus and bypass method using the same are provided to continue an inline process because a conveyor can be driven by replacing a predetermined device when the operation of the predetermined device is stopped. CONSTITUTION: A conveyor bypass apparatus comprises a moving unit(10), a device connecting unit(20), a power managing unit(30), a driver managing unit(40), and a control unit(50). The moving unit is moved at a position of a device with a conveyor control module for driving a conveyor. The device connecting unit is connected to the conveyor control module of the device to control the conveyor. The power managing unit controls power to be supplied to the conveyor control module. The driver managing unit manages a driver for driving the conveyor control module to control the conveyor. The control unit controls the conveyor with a device connecting unit while loading a compatible driver from the driver managing unit. [Reference numerals] (10) Moving unit; (20) Device connecting unit; (30) Power managing unit; (40) Driver managing unit; (50) Control unit; (60) Signal transceiving unit; (70) Input unit
Patent KR-20120111123-A (KR)
Title: Composition for treatment of pancreatic cancer and functional food comprising extract of circii radix
Inventor: HWANG SUNG YEOUN
IPC: A23L33/00
Filed: 2011-03-31
Abstract: PURPOSE: A composition and a functional food containing Circii Radix ethanol extract is provided to effectively prevent and treat pancreatic cancer. CONSTITUTION: A composition for preventing and treating pancreatic cancer contains Circii Radix ethanol extract as an active ingredient. The composition also contains pharmaceutically acceptable carriersor diluents. A functional food for preventing pancreatic cancer contains 0.1-5 wt% of the extract as an active ingredient. [Reference numerals] (AA) Relative cell survival rate
Patent KR-20120116227-A (KR)
Title: Method for providing contents optional information and apparatus therefor
Inventor: JUNG YOUN SEUNG
IPC: H04N21/23
Filed: 2011-04-12
Abstract: PURPOSE: A content additional information supplying method and an apparatus thereof are provided to satisfy a request of a user who desires various types of broadcasting services. CONSTITUTION: A mobile communication terminal obtains identification information of a broadcasting channel from a broadcasting receiving device(S205). The mobile communication terminal transmits an additional information request message to a broadcasting content server according to an addition information request signal(S209). The mobile communication terminal receives the additional information from the broadcasting content server(S215). The additional information is extracted based on the identification information of the broadcasting channel. [Reference numerals] (AA) IPTV; (BB) Mobile communication terminal; (CC) Broadcasting content server; (DD) Database; (EE) Input time, channel information; (S201) IPTV searching; (S203) Requesting channel identification information; (S205) Receiving channel identification information; (S207) Receiving an additional information request signal; (S209) Requesting additional information; (S211) Confirming the playing position of broadcasting content; (S213) Extracting the additional information; (S215) Transmitting the additional information; (S217) Outputting the additional information
Patent KR-20120117538-A (KR)
Title: Wave making apparatus and method of the same
Inventor: PARK JIN BAE
IPC: F03B13/22
Filed: 2011-04-15
Abstract: PURPOSE: Equipment and a method for easily generating waves are provided to generate huge waves at a narrow space as the air pressure of an auxiliary chamber is controlled by an atmospheric pressure control unit. CONSTITUTION: Equipment for generating waves comprises a main water tub(100), one or more auxiliary chambers(200), and an atmospheric pressure control unit(300). The water flows in or out of the main water tub, and the waves are generated by the changes in a water level. The auxiliary chambers are connected to the main water tub. The atmospheric pressure control unit is connected to the auxiliary chambers, and controls the air pressure of the auxiliary chambers. The water flows in between the main water tub and the auxiliary chambers by the changes in the air pressure of the auxiliary chambers. [Reference numerals] (120) First water level sensor; (130) Wave measuring device; (140) Wave experiment structure; (220) Second water level sensor; (310) Pressing unit; (320) Decompression unit; (400) Control unit; (AA) Controlling the atmospheric pressure; (BB) Water movement
Patent KR-20120119520-A (KR)
Title: Composition for skin external application containing sap of bamboo fermented extracts using bacteria
Inventor: KIM SO YEON
IPC: A61Q19/02
Filed: 2011-04-21
Abstract: PURPOSE: A composition for skin external application containing bacteria fermentation extract of sap of bamboo is provided to have skin whitening, anti-aging and skin-moisturizing effects. CONSTITUTION: A composition for skin external application contains bacteria fermentation extract of sap of bamboo as an active ingredient. 0.001-30 wt% of the bacteria fermentation extract of sap of bamboo is contained based on the total weight of the composition. The bacteria is yeast, mushroom bacteria, lactobacillus, koji mould or Bacillus genus. The yeast is Saccharomyces sp., Schizosaccharomyces sp., Torulopsis sp., Rhodotorula sp. or Candida sp. The mushroom bacteria is inonnotus-obliquus, Cordyceps sinensis, Paecilomyces japonica, Tricholomamatsutake, Phellinus linteus or Ganoderma lucidum. The lactobacillus is Lactobacillus sp., Streptococcus sp., Leuconostoc sp. or Bifidobacteria sp.
Patent KR-20120121472-A (KR)
Title: CULTIVATING METHOD OF MUSHROOM INCLUDING Acanthopanax senticosus HOT WATER EXTRACT
IPC: A01G1/04
Filed: 2011-04-27
Abstract: PURPOSE: A cultivation method of mushrooms using an Eleutherococcus senticosus hot water extract is provided to offer the abundant amount of active ingredients in Eleutherococcus senticosus to the mushrooms. CONSTITUTION: A cultivation method of mushrooms using an Eleutherococcus senticosus hot water extract comprises the following steps: cutting the stem, the root, and leaves of Eleutherococcus senticosus; mixing 100 parts of cut Eleutherococcus senticosus by weight with 200-400 parts of water by weight, and heating the mixture at 100-130 deg. C for 2-5 hours to obtain the Eleutherococcus senticosus hot water extract(S100); mixing the Eleutherococcus senticosus hot water extract with 2-3 times the amount of water to obtain a dilutant(S200); mixing 100 parts of sawdust by weight, 20-30 parts of rice bran by weight, and 0.5-5 parts of starch to obtain a mixed medium for the mushrooms(S300); adding 100-150 parts of Eleutherococcus senticosus hot water dilutant to 100 parts of mixed medium by weight(S400); and injecting mushroom spawns to the medium, and cultivating the mushrooms at 22-28 deg. C for 50-80 days(S500, S600). [Reference numerals] (AA) Mushroom containing active ingredients of Eleutherococcus senticosus; (S100) Producing hot-water extract; (S200) Diluting hot-water extract; (S300) Producing medium; (S400) Producing mixed medium using hot water extract; (S500) Injecting mushroom spawns to medium; (S600) Cultivating; (S700) Growing mushrooms
Patent KR-20120122241-A (KR)
Title: Fastening apparatus for nut
IPC: B21B31/02
Filed: 2011-04-28
Abstract: PURPOSE: A nut joining device for roll assembly is provided to improve the safety and the productivity in a rolling operation by preventing the releasing of a nut for roll assembly while rolling. CONSTITUTION: A nut joining device for roll assembly comprises a nut insertion jig member(10), a base body member(20), and a rotary unit(30). The nut insertion jig member and a nut for roll assembly are integrated with each other. The nut insertion jig member is mounted on the base body member to be rotated. The rotary unit is mounted on the base body member and rotates the nut insertion jig member.
Patent KR-20110061531-A (KR)
Title: Multiplication method
Inventor: KIM DONG HWON
IPC: G06F7/44
Filed: 2011-05-02
Abstract: PURPOSE: A multiplication method is provided to efficiently utilize resources by reducing the multiplication computation processes. CONSTITUTION: Multiplication targets are arranged from higher to lower values(S102). A first and a second multiplication object values are multiplied cope with the multiplicative function(S103). If an addition multiplication object does not exist, the multiplication result value is outputted. If an addition multiplication object exists, the multiplication is performed by using the value through the multiplication function and an additional multiplication value(S108). If the additional multiplication value does not exist, the multiplication result value is outputted(S111).
Patent KR-20120124145-A (KR)
Title: Composition for inhibition of multidrug resistance containing an extract of Poria cocos Wolf
IPC: A61K36/076
Filed: 2011-05-03
Abstract: PURPOSE: A pharmaceutical composition containing Poris cocos (Schw.) Wolf extract for suppressing multidrug resistance is provided to treat cancer patient with anticancer drug resistance. CONSTITUTION: A pharmaceutical composition for suppressing multi-drug resistance contains 0.001-50 wt% of Poris cocos (Schw.) Wolf extract as an active ingredient. The extract is prepared using water low carbon number alcohol of 1-4 carbon atoms, or a mixture solvent thereof. A pharmaceutical composition and a sitological composition for anticancer aid contain the extract as an active ingredient. The daily dose of the pharmaceutical composition is 0.001-100 mg/kg(body weight).
Patent KR-20120125417-A (KR)
Title: LED Light
IPC: F21V17/10
Filed: 2011-05-07
Abstract: PURPOSE: An LED fluorescent lamp is provided to increase the entire aesthetic sense of an LED fluorescent lamp by exposing a heat sink to outside of a tranmissive unit. CONSTITUTION: A transmissive unit(1) is extruded in a circular shape by using a transmissive resin. A pair of guide rails(2) is integrally formed in the inner circumference of the transmissive unit. A heat sink(10) is inserted inside the transmissive unit. A plurality of heat radiation pins is protruded from a bottom of the heat sink. A metal substrate(12) having a plurality of LEDs is attached to an upper side of the heat sink.
Patent KR-20120126914-A (KR)
Title: On-line advertising system using lottery
IPC: G06Q30/02
Filed: 2011-05-13
Abstract: PURPOSE: An online advertising system using a lottery is provided to induce a user to actively explore an advertisement by supplying the lottery corresponding to an advertisement icon when the user selects the advertisement icon. CONSTITUTION: An advertisement icon providing unit(110) provides an advertisement icon to a user terminal. A lottery providing unit(120) provides a lottery corresponding to the selected advertisement icon to the user terminal. If the lottery is won, a coupon storage unit(130) matches a coupon corresponding to the lottery with the user in order to store the same. A coupon retention information providing unit(140) provides coupon retention information of other users. [Reference numerals] (110) Advertisement icon providing unit; (120) Lottery providing unit; (130) Coupon storage unit; (140) Coupon retention information providing unit; (150) Message transmission unit; (160) Coupon distribution unit; (170) Coupon distribution information providing unit