baber/WOPTO huggingface dataset:
Patent KR-20180053353-A (KR)
Title: 방향성 전자 강판 및 그의 제조 방법
Inventor: WATANABE MAKOTO
IPC: C23C22/07
Filed: 2016-09-21
Abstract: 표면에 코팅을 갖는 방향성 전자 강판으로서, 코팅이, 복합 탄성률: 60∼95㎬, 막두께: 1.0㎛ 이상 및, 당해 방향성 전자 강판으로의 부여 장력: 6.0㎫ 이상을 만족하고, 또한 방향성 전자 강판을 선압: 68.6N/㎝로 롤 압하했을 때의 롤 압하 전후에서의 철손의 열화량을, W 17/50 에서 0.010W/㎏ 이하로 한다.
Patent KR-20180069018-A (KR)
Title: 모바일 디바이스를 이용한 바코드 정보 통신 시스템 및 방법
Inventor: RAJU VENKATESH
IPC: G06K19/06
Filed: 2016-10-26
Abstract: 모바일 디바이스를 이용한 바코드 정보 통신 시스템 및 방법이다. 방법은 모바일 디바이스의 프린트-가능한 제1 소프트웨어 어플리케이션을 이용하여 어플리케이션 프린트 피쳐를 인보크하는 단계; 제2 소프트웨어 어플리케이션을 이용하여 프린트 컨텐트로부터 하나 이상의 바코드들을 추출하는 단계; 및 모바일 디바이스의 발광 하드웨어를 이용하여 모바일 디바이스로부터 추출된 바코드를 펄스 광으로 전송하는 단계를 포함한다.
Patent KR-20180057739-A (KR)
Title: 구강용 조성물
Inventor: TSUGANE TAKANORI
IPC: A61Q11/00
Filed: 2011-09-07
Abstract: 종래부터 있는 항균제, 효소 저해제 또는 항생 물질을 사용한 우식 억제법에서는, 구강 바이오 필름의 균체외 다당이 항균제, 효소 저해제, 항생 물질 등의 침투를 방해하기 때문에, 목표로 한 대로의 우식 억제 효과를 내는 것이 곤란하다.   또, 항균제 등의 사용은 내성균이 출현할 위험성이 높기 때문에 바람직하지 않다.  그 때문에 우식 원인균의 컨트롤을 실시하는 것이 아니라, 우식 원인균에 의한 바이오 필름 형성의 제어를 실시하는 것에 의한, 보다 안전하고 효과가 높은 우식 억제 방법의 개발이 요구되고 있었다.     본 발명은, 쿼럼센싱을 제어하는 조성물에 의한 충치 바이오 필름 형성의 저해를 가능하게 하는 것이다.
Patent KR-20180081078-A (KR)
Title: 마킹들을 디스플레이하는 장치
Inventor: MANSO AGUADO MANUEL ALEJANDRO
IPC: G01D7/08
Filed: 2015-11-11
Abstract: 본 발명은 복수 개의 시그널링 마킹들(15, 16)이 상부에 분포되어 있으며, 서로 결부되어 있는 적어도 하나의 제1 및 제2 물리적 크기에 상응하는 물리적 크기의 값들에 대응하게 결부되어 있고 전기기계 장치의 기능에 대한, 적어도 2개의 눈금자(11, 12)를 포함하는, 시그널링 마킹들(15, 16)을 디스플레이하는 장치에 관한 것이며, 제1 표시기(13) 및 제2 표시기(14)는 상기 제1 물리적 크기 및 상기 제2 물리적 크기에 연관된 값을 시그널링하도록 구성되어 있고, 상기 표시기들 양자 모두는 장치 조립체의 요소들의 정상적인 기능 동안 제1 눈금자(11) 및 제2 눈금자(12)에 관한 정렬된 시그널링 마킹들(15, 16) 상에 정렬된다.
Patent KR-20180083350-A (KR)
Title: 니코틴아미드 리보시드의 미생물학적 제조
Inventor: LAWRENCE ADAM G
IPC: C07K14/34
Filed: 2016-11-14
Abstract: 본 발명은 니코틴아미드 리보시드의 생산을 야기하도록 경로를 조절함에 의한 니코틴아미드 리보시드의 신규 제조 방법, 상기 방법에 유용한 발현 벡터 및 숙주 세포에 관한 것이다.
Patent KR-20180077284-A (KR)
Title: 아연 핑거 모듈을 연결하기 위한 조성물
Inventor: PASCHON DAVID
IPC: C12N15/09
Filed: 2011-05-02
Abstract: 본 명세서에서 1개 이상의 염기쌍에 의해 분리된 모듈 서브사이트에 DNA 결합 모듈을 특이적이며 선택적으로 결합시키는 연결을 위한 조성물이 개시된다. 또한 이들 링커를 포함하는 조성물의 제조 및 사용방법이 설명된다.
Patent KR-20180085783-A (KR)
Title: 인 시츄-생성된 미세유체 격리 구조체들, 키트들, 및 그 이용 방법들
Inventor: BEAUMONT KRISTIN G
IPC: B01J19/00
Filed: 2016-11-22
Abstract: 고체화된 폴리머 네트워크를 편입시키는 인 시츄-생성된 미세유체 격리 구조체들, 준비 및 이용의 방법들, 이를 위한 조성물들, 및 키트들이 설명된다.     펜들 및 장벽들을 포함하는 다양한 격리 구조체들을 실시간으로 도입하기 위한 능력은 미세유체 디바이스들에서의 미세-객체 조작의 개선된 방법들을 제공한다.     인 시츄-생성된 격리 구조체들은 영구적으로 또는 일시적으로 설치될 수도 있다.
Patent KR-20180099837-A (KR)
Title: 자기윤활성의 전해증착된 인산염 피막
Inventor: GERHARD JOERG
IPC: C25D11/36
Filed: 2017-01-06
Abstract: 금속공작물 상에 적어도 아연 및 인 원소를 포함하는 전해 증착된 인산염층에 있어서, 이 인산염층은 하이드로콜로이드에 의해 안정화된 고체윤활제 입자를 포함하고; 그 고체윤활제 입자는 적어도 부분적으로 상기 인산염층에 매립된 것;을 특징으로 하는 전해 증착된 인산염층.
Patent KR-20180115277-A (KR)
Title: 폴리에테르 고무의 제조 방법
Inventor: HAYASHI ATSUSHI
IPC: C08K3/22
Filed: 2017-02-22
Abstract: 에피할로히드린 단량체 단위를 0.1 몰% 이상 함유하는 폴리에테르 고무와, 질소 원자 함유 방향족 복소환식 화합물을, BET법에 의해 측정되는 질소 흡착 비표면적이 10 m 2 /g 이상인 하이드로탈사이트를 적어도 포함하는 수산제의 존재 하에서, 혼련하여 반응시킴으로써 얻어지는, 하기 일반식 (1)로 나타내어지는 단위를, 0.1 몰% 이상 30 몰% 미만 함유하는 폴리에테르 고무의 제조 방법을 제공한다. 
   
(상기 일반식 (1) 중, A + 는, 양이온성 함질소 방향족 복소환을 함유하는 기이고, 그 양이온성 함질소 방향족 복소환을 구성하는 질소 원자 1개를 통하여, 상기 일반식 (1)에 나타내는 「2」 위치의 탄소 원자와 결합하고 있다.  X - 는 임의의 카운터 음이온이다.)
Patent KR-20190003467-A (KR)
Title: 아민 작용성 중합체 및 그 중합체를 제조하는 방법
Inventor: GARCIA MIRALLES JOSE
IPC: C08G63/91
Filed: 2017-04-28
Abstract: 하기 단계를 포함하는 β-아미노 에스테르 작용화 올리고머 또는 중합체를 제조하는 방법: 화학식 A-(OH) q  (여기에서, q ≥ 2이고 A는 올리고머 또는 중합체 백본을 나타냄)로 표시되는 폴리올을 제공하고, 아세토아세테이트 시약으로 트랜스 아세토아세틸화하여 상기 폴리올을 상응하는 아세토아세테이트 작용화 화합물로 전환시키는 단계; 및, 상기 아세토아세테이트 작용화 화합물을 간접 아미노화 또는 직접 아미노화에 적용시키는 단계, 상기 간접 아미노화는 아세토아세테이트 작용화 화합물을 적어도 1 차 아민기 또는 2 차 아민기를 갖는 적어도 하나의 아민과의 반응에 의해 상응하는 엔아민으로 전환시키는 단계; 및, 이전 단계의 엔아민 생성물을 환원시켜 상응하는 β-아미노 에스테르 작용화 화합물을 형성하는 단계를 포함하는 것을 특징으로 할 수 있다.
Patent KR-20180118746-A (KR)
Title: Ｉｌ７ 수용체 세포외 도메인의 알파 쇄에 대해 지시된 비-길항성 항체 및 암 치료에 있어서 이의 용도
Inventor: POIRIER NICOLAS
IPC: C07K16/28
Filed: 2017-02-28
Abstract: 본 발명은 인터루킨7(IL-7)에 대한 수용체, 특히 사람 세포에서 발현된 사람  IL-7에 대한 수용체(또한 사람 IL-7R알파 또는 IL-7Ra 또는 CD127로 지정됨)의 알파 쇄의 세포외 도메인에 대해 지시되고 IL-7 또는 TSLP 시그날링 경로를 방해하지 않는 사람화된 항체에 관한 것이다. 본 발명의 항체는 IL-7 수용체에 대한 길항 효과를 가지지 않지만, 여전히 CD127 양성 세포에 대해 세포독성 활성을 나타낼 수 있다. 특수한 구현예에서, 상기 항체는 IL-7 수용체에 대한 효능제 효과를 가지지 않는다.
Patent KR-20180115333-A (KR)
Title: 화장품 도포기
Inventor: CASTEX NICOLAS
IPC: A46B9/02
Filed: 2017-03-07
Abstract: 본 발명은 근위 단부 및 자유 단부를 가지며, 제1 및 제2 평면 층을 각각 형성하는 핑거(10)의 적어도 2개의 열을 포함하는 화장품 도포기(1)에 관한 것이다. 2개의 층은 분리되며 서로 평행하다. 핑거의 치수는 도포기가 근위 단부로부터 자유 단부까지 통과할 때에 감소한다.
Patent KR-20180128485-A (KR)
Title: 유백제로서 카올린의 용도
Inventor: PAGIS LAURE
IPC: A61Q19/10
Filed: 2017-04-06
Abstract: 본 발명은 화장 조성물 중 유백제로서의 카올린의 용도, 카올린을 포함하는 화장 조성물 및 상기 화장 조성물의 제조 방법에 관한 것이다.
Patent KR-20180134964-A (KR)
Title: 스위블 너클 연결
Inventor: SINGER Scott Andrew
IPC: F16L39/04
Filed: 2017-04-12
Abstract: 모터와 공급 라인을 상호 연결하기 위한 스위블 너클 조립체. 너클 조립체는 마찰 계수를 감소시키기 위해 베어링 부재를 포함할 수 있다. 너클 조립체의 부재들을 연결하는 잠금 기구가 개시된다.
Patent KR-20200095082-A (KR)
Inventor: PARK SANG JOON
IPC: C23C16/458
Filed: 2019-01-31
Abstract: The present invention relates to an apparatus for depositing an atomic layer. According to the present invention, the apparatus for depositing an atomic layer can continuously coat heterogeneous materials on a powder particle surface. To this end, the apparatus for depositing an atomic layer includes an outer chamber, one or more reactors, a first deposition part, and a second deposition part.
Patent KR-20200095259-A (KR)
Inventor: KIM HYUN CHUL
IPC: A23L13/40
Filed: 2019-01-31
Abstract: The present invention relates to a chicken tteokgalbi recipe including: a basic material preparation step of grinding bone-removed chicken without moisture and trimming and grinding glutinous rice to be mixed with the chicken; a sauce preparation step of uniformly mixing 36% of soy sauce, 26% of water, 4% of refined rice wine, 2% of flavor, 20% of sugar, 2% of artificial seasoning, 4% of pepper, 2% of ginger, and 4% of garlic with respect to the gross condiment weight for tasty blending with the chicken and the glutinous rice and then boiling the mixture for approximately two hours; and a tteokgalbi preparation step of mixing the sauce, the chicken, and the glutinous rice at 1:90:9 and then grilling the mixture in a predetermined size. According to the present invention, the tasty and nutritious tteokgalbi is prepared by means of the inexpensive chicken, and thus the tasty food can be supplied without consumers′ burden. In addition, the tteokgalbi is prepared in various forms by means of various chicken parts, and thus various consumers′ preferences can be satisfied. Also, the sauce is palatable for Koreans and consumers can be given a better taste.
Patent KR-20200099805-A (KR)
Inventor: LEE YUN TAE
IPC: H01L23/485
Filed: 2019-02-15
Abstract: The present disclosure relates to a semicon1020200099805 VIAductor package including a first semiconductor chip having a first surface on which first connection pads are disposed, and a second surface on which second connection pads are disposed, and including through-vias connected to the second connection pads; a connection structure disposed on the first surface of the first semiconductor chip and including a first redistribution layer electrically connected to the first connection pads of the first semiconductor chip; a second distribution layer disposed on the second surface of the first semiconductor chip and electrically connected to the second connection pads of the first semiconductor chip; and a second semiconductor chip disposed on a third surface of the connection structure opposing a fourth surface of the connection structure on which the first semiconductor chip is disposed, wherein a surface on which third connection pads are disposed faces the fourth surface. The first connection pads are connected to a signal pattern of the first redistribution layer, and the second connection pads are connected to at least one of a power pattern and a ground pattern of the second redistribution layer, thereby having an optimal signal and power characteristics.
Patent KR-20190101290-A (KR)
Inventor: KASHU KOJI
IPC: H01M50/406
Filed: 2019-02-19
Abstract: According to the present invention, a process of a factor with respect to a film for specifying a fixation point in the film is omitted. Provided is a method of producing a film, which comprises: a fixation point detection process of detecting a fixation point of the film; a turning number measurement process of measuring the number of turning of a winding core in which the film is wound; and a turning number storing steps of storing a position of the fixation point in a transfer direction of the film with respect to the number of turning of the winding core.
Patent KR-20200100943-A (KR)
Title: Temperature control system of electrical device and electronic device
Inventor: KANG IN HWA
IPC: H01M10/6556
Filed: 2019-02-19
Abstract: In the present invention, a temperature control system for various types of electric and electronic devices is disclosed. A temperature control system for electric and electronic devices according to an embodiment of the present invention includes a flow pipe formed of a conduit having a predetermined length and cross-sectional shape and having an empty inner space; a thermal medium flowing along the empty inner space of the flow pipe as a liquid or gaseous fluid; and a heat transfer pipe having a heat absorbing portion for absorbing heat at one end and a heat dissipating portion for discharging heat at an opposite end thereof, and having a predetermined length. In this case, one end of the heat transfer pipe is coupled to a predetermined portion of the electric and electronic device, and an opposite end of the heat transfer pipe is inserted into the empty inner space of the flow pipe. The heat medium flows through the flow pipe and exchanges heat with the opposite end of the heat transfer pipe, thereby receiving heat emitted from the heat dissipating portion.
Patent KR-20200106263-A (KR)
Title: How to send business card information using block chain And system
Inventor: KWON HYUNG SEOK
IPC: G06Q30/02
Filed: 2019-03-04
Abstract: In addition, a method and system for transmitting business card information may selectively set a business card information disclosure range, disclosure period, and retransmission range according to a recipient and easily prove the authenticity of related business card information by further including postings (comments) of participants on business card information so that key information in an electronic business card can be explored so that there is no anxiety about exaggeration or distortion of business card information entered based on blockchain, which is a verification means guaranteeing the transparency and reliability on business card history information, and providing blockchainified information.
Patent KR-20200106281-A (KR)
Title: Cosmetic Composition for preventing and curing Diaper dermatitis
Inventor: KO SE YONG
IPC: A61Q19/00
Filed: 2019-03-04
Abstract: The present invention relates to a cosmetic composition for preventing and treating diaper dermatitis. More specifically, the present invention relates to a cosmetic composition for babies, which is effective in ameliorating atopic dermatitis and rash caused by diaper dermatitis by containing an irritation alleviation complex composed of zinc oxide, a Vigna radiate extract, a Betula platyphylla extract, and a Rumex crispus extract.
Patent KR-20200110076-A (KR)
Title: Skin Moisturizing Cosmetic Composition Comprising pozzolan
Inventor: PARK YOUNG GUN
IPC: A61Q19/00
Filed: 2019-03-15
Abstract: The present invention relates to a cosmetic composition for skin moisturization, comprising a pozzolan, and more specifically, to a cosmetic composition for skin moisturization, comprising 0.01-10.0 wt% of a pozzolan with respect to the total weight thereof. Further, the cosmetic composition of the present invention exhibits skin barrier-regenerating effects and skin irritation-ameliorating effects and has one formulation selected from the group consisting of softening cosmetic water, nutrient cosmetic water, nutrient cream, massage cream, essence, eye cream, cleansing cream, cleansing foam, cleansing water, a pack, spray, and powder.
Patent KR-20200116271-A (KR)
Inventor: RHIE YOUNG HOON
IPC: H02J7/14
Filed: 2019-04-01
Abstract: The present invention relates to a power plant linked energy storage system and a control method thereof. Particularly, the present invention relates to a multipurpose power plant linked energy storage system which can be used for multiple purposes such as for the purposes of supplying emergency power to a power plant in case of abnormal operation due to an abnormality in the power plant and providing power in reserve to maintain frequency quality of the power produced and supplied from the power plant in case of normal operation, and a control method thereof. To this end, the multipurpose power plant linked energy storage system comprises an electric energy storage unit, and a power adjustment unit.
Patent KR-20200117348-A (KR)
Inventor: HONG JI YEON
IPC: D21H27/00
Filed: 2019-04-04
Abstract: The present invention relates to an apparatus for manufacturing toilet paper with reduced tearing, which increases efficiency of capturing paper dust generated during a manufacturing process of the toilet paper and reduces tearing of the toilet paper caused by air pressure when capturing the paper dust. According to the present invention, the apparatus comprises a first paper dust capturing means mounted on a crepe doctor and capturing paper dust generated from toilet paper and a second paper dust capturing means installed on a vertically lower part of a driving side of a spring roll and capturing the paper dust scattered when the first paper dust capturing means captures the paper dust. An air supply nozzle of the first paper dust capturing means is installed at an interval of 80-110 mm from the lower surface of the toilet paper and is installed to allow an air supply direction to face the lower surface of the toilet paper at an interval of 50-70 mm from a contact point in a toilet paper moving direction apart from a contact point between a surface of a Yankee drier and a blade of the crepe doctor. A second paper dust suction hole of the second paper dust capturing means is installed at an interval of 500-650 mm in a vertically lower side from a driving side portion of the spring roll. Accordingly, the efficiency of capturing paper dust generated during a manufacturing process of toilet paper is increased, a phenomena that the toilet paper is torn by air pressure when the paper dust is captured can be reduced, and a polishing and replacement period of the blade can be extended.
Patent KR-20200117644-A (KR)
Inventor: MO HYUNG KYU
IPC: G07B15/02
Filed: 2019-04-05
Abstract: The present invention relates to an unmanned smart parking meter capable of adjusting the position thereof, which enhances convenience in use by moving a settlement unit to a driver′s position according to the stop position and vehicle height of a vehicle to be settled for parking fees, and provides traffic information to an outgoing driver. The unmanned smart parking meter capable of adjusting the position thereof includes: a body equipped with an advertisement display unit for advertisement display; and a settlement unit which is movably mounted on the body and checks the position and height of the vehicle for calculating parking fees, and automatically adjusts the position of a driver by automatically moving the position according to the position and height of the vehicle, thereby implementing the unmanned smart parking meter capable of adjusting the position thereof.
Patent KR-20200119029-A (KR)
Inventor: CHOI JONG MYEONG
IPC: G06Q50/30
Filed: 2019-04-09
Abstract: According to the present invention, provided is a method for outputting multiples types of sub-answer information for a question requiring a variable answer performed by a device. Provided is the method for receiving inquiry information through a network, extracting at least one keyword for inquiry contents from the inquiry information, determining the multiple types of sub-answer information for the at least one keyword, and outputting the multiple types of sub-answer information to a display of the device.
Patent KR-20200119083-A (KR)
Inventor: SIM JAE DOO
IPC: B23Q16/08
Filed: 2019-04-09
Abstract: Disclosed are a machining center and a workpiece machining method using the same. The machining center comprises: a pallet table which has a reference coordinate system having a table center as an origin and selectively rotates; a pallet which fixes a workpiece and is coupled to the pallet table to rotate with the workpiece according to rotation of the pallet table; a center error detector coupled to an upper part of the pallet to detect a center error between the table center and the pallet center; and a correction data generator generating correction data regarding a machining position of the workpiece by calculating a rotation error of the pallet due to the center error. According to the present invention, the pallet center error is detected and the machining position is corrected by the rotation error. Therefore, as pallet compatibility increases, machining precision of the machining center may be increased.
Patent KR-20200075712-A (KR)
Inventor: SEO HYEON DEOK
IPC: G06K9/62
Filed: 2019-04-11
Abstract: The present invention relates to a device and a method for classifying abnormal data by using an artificial neural network. To this end, the method comprises: a generative vector generation step of generating a generative vector by a generation module which is one element of an abnormal data classification module trained to generate a normal vector, which is a multidimensional vector of normal time series distributed data based on a latent variable; a classification target vector receiving step of receiving a classification target vector which is a multidimensional vector of classification target data for classification of abnormal data; an abnormal data score output step of outputting an abnormal data score which is a loss value based on a difference between the generative vector and the classification target vector; and a latent variable adjustment step of adjusting the latent variable in a direction in which the abnormal data score decreases.
Patent KR-20200121216-A (KR)
Inventor: HYEON GI HWAN
IPC: E01D19/04
Filed: 2019-04-15
Abstract: The present invention relates to a rubber support with a deformation meter, which is an integral product without concern about loss, enables correct and precise measurement in the site without adding other special work regardless of worker′s skill, is easily manufactured and minimizes manufacturing costs to have excellent economic feasibility and productivity, is easily and simply applicable to a conventional rubber support member with minimized costs, and is applicable to various support members to have an excellent spreading effect. The rubber support with the deformation meter is configured to include one or more inclined mark lines arranged on a side surface of the rubber support and visually recognizable, wherein a plurality of the mark lines are provided to be spaced from each other, the plurality of the mark lines have both sides with inclination directions opposite to each other from the center, numbers indicating mark values corresponding to the mark lines are written near the mark lines, the mark value means a deformation amount when the inclination level of a corresponding mark line is 90 degrees as the rubber support gets deformed, and one or more sub-mark lines are provided at the upper side or the lower side of the mark lines.
Patent KR-20200124061-A (KR)
Inventor: KIM YOUNG HO
IPC: A61Q19/00
Filed: 2019-04-23
Abstract: The present invention relates to a cosmetic composition for strengthening skin blood vessels while simultaneously increasing skin permeability of active components. More specifically, the present invention relates to a cosmetic composition such as toner, emulsion, cream, essence, etc., which contains 0.001 to 10.00 wt% of vitamin P4 (troxerutin), thereby increasing skin permeability of skin active components and having less skin irritation.
Patent KR-20200125234-A (KR)
Title: Coating compounds capable of adsorbing particulate matters, A vehicle therewith and cleasing and recoating method of the vehicle
Inventor: KIM JO CHUN
IPC: B08B3/04
Filed: 2019-04-26
Abstract: The present invention relates to removing a fine dust in the air. More specifically, the present invention relates to a coating liquid to absorb a fine dust, a vehicle having the coating liquid on a surface thereof, and a method of cleaning and recoating a vehicle. To this end, the method includes: a spraying step (S100) of spraying a coating liquid (120), which contains at least one of 1 to 12% by volume of propylene glycol; 1 to 12% by volume of glycerin; 0.1 to 1% by volume of triethanolamine; 0.1 to 2% by volume of polyacrylic acid; 0.1 to 2% by volume of carboxymethylcellulose; and 0.1 to 2% by volume of panthenol; and water to match the remaining 100% by volume, onto the surface (40) of the vehicle to form a coating layer (20); a step (S120) of allowing the coating layer (20) to absorb the fine dust when the vehicle is running; a step (S160) of cleaning the coating layer (120) and the fine dust by spraying washing water (140) on the surface (40) of the vehicle; and a step of recoating the coating layer (20) by spraying the coating liquid (120) on the surface (40) of the vehicle.
Patent KR-20200130965-A (KR)
Inventor: KIM KYUNG WON
IPC: G03B13/36
Filed: 2019-05-13
Abstract: According to an embodiment, a camera module or a camera device includes: a base; a first lens assembly and a second lens assembly disposed on the base and moved; and a third lens assembly diposed on the base and fixed. The first lens assembly includes: a first lens barrel wherein a first lens is diposed; and a first driving part housing wherein a first driving part is disposed. The second lens assembly includes: a second lens barrel wherein a second lens is diposed; and a second driving part housing wherein a second driving part is disposed. The base can include a base stopper limiting strokes of the first lens assembly and the second lens assembly. A lens housing of the third lens assembly can include a barrel stopper limiting the strokes of the first lens assembly and the second lens assembly. Therefore, the present invention is capable of solving an issue regarding the formation of friction torque during zooming.