baber/WOPTO huggingface dataset:
Patent WO-2015011719-A2 (WO)
Title: Outil pour porter et déplacer des composants
Inventor: DAVERA MAHESH KALYANJIBHAI
Filed: 2014-06-24
Abstract: L'invention concerne un outil pour porter et déplacer au moins un composant à destination et en provenance d'un boîtier. Cet outil comprend au moins un élément de guidage, un chariot à roues, au moins un élément de transport et un moyen d'ajustement. Le chariot à roues est disposé sur l'élément de guidage et se déplace sur l'élément de guidage. Le ou les éléments de transport sont disposés sur le chariot à roues et raccordés à celui-ci et se déplacent avec celui-ci. L'élément de transport reçoit le ou les composants de façon que le support et le déplacement de ce(s) dernier(s) soient facilités dans la configuration non opérationnelle hors du boîtier. Le moyen d'ajustement est disposé sur le chariot à roues pour faciliter l'ajustement horizontal, vertical et axial de l'élément de transport par rapport au chariot à roues afin qu'un alignement soit maintenu entre le composant et le boîtier.
Patent WO-2021100881-A2 (WO)
Inventor: HARADA AKIO
IPC: C08L101/00
Filed: 2021-03-18
Abstract: Provided is a method for producing a material that suppresses decreases in the lifespan of an insulating material due to voltage surges, namely a material that has a long dielectric breakdown lifespan. A method for producing a fullerene derivative-containing resin composition comprising a fullerene derivative and a resin that has an affinity for polar solvents, wherein the method is characterized by comprising the following steps (I) and (II). (I) A step in which the fullerene derivative is dispersed in a polar solvent. (II) A step in which the polar solvent having the fullerene derivative dispersed therein is mixed with a resin that has a high affinity for polar solvents.
Patent WO-2007011181-A2 (WO)
Title: Procede de transmission et de reception de donnees dans un systeme multiporteuse
Inventor: KIM HAK SEONG
IPC: H04B1/707
Filed: 2006-07-20
Abstract: L'invention concerne un procédé de transmission de données dans un système de communication multiporteuse. Plus spécifiquement, ce procédé consiste à mapper au moins un symbole de données sur au moins une sous-porteuse d'un premier de domaine de fréquence et au moins un symbole de données sur au moins une sous-porteuse d'un second domaine de fréquence, lesdits premier et second domaines de fréquence étant mutuellement exclusifs et le symbole de données mappé sur la sous-porteuse du second domaine de fréquence étant multiplié par un code de propagation. Puis, ledit procédé consiste à transformer le symbole de données mappé sur le premier domaine de fréquence et le symbole de données mappé sur le second domaine de fréquence au moyen d'un module de transformée inverse discrète de Fourier et, enfin, à transmettre les symboles de données transformés à une extrémité de réception.
Patent WO-2009102156-A2 (WO)
Title: Power transmission apparatus using planetary gear having a plurality of gear trains and methods of use thereof
Inventor: YUN KEUN SOO
IPC: F16H3/44
Filed: 2009-02-12
Abstract: The present invention relates to a power transmission apparatus using a planetary gear having a plurality of gear trains and methods of use thereof. The object of the present invention is to provide a power transmission apparatus and methods of use thereof using a planetary gear having a plurality of gear trains, wherein a ring gear set is included. The ring gear set includes ring gears which are respectively meshed with a planet gear set comprising a plurality of planet gears with different gear ratios. Various speed change ratios can be established through a sun gear by fixing a ring gear when the power is inputted through a carrier. For this purpose, the disclosed power transmission apparatus using a planetary gear having a plurality of gear trains comprises: a housing (100) including a cover (110) which can be opened and closed, and a speed change locking means (120) which locks and releases selectively one of the ring gears (30a,30b,30c); a carrier (10) which is installed inside the housing (100); a planet gear set (20) which consists of three or more different sized planet gears (20a,20b,20c), whereof at least three pairs are installed on one side of the carrier (10) and permitted to rotate freely; a ring gear set (30) which consists of ring gears (30a,30b,30c) whereof each planet gear (20a,20b,20c) meshes with the internal teeth of the ring gears; a sun gear set which consists of sun gears (40a,40b,40c) that mesh with the external teeth of the planet gears (20a,20b,20c), and includes an output shaft (41) which outputs the power to the outside of the housing (100); an input shaft (50) which is coaxial to the output shaft (41) and rotates the carrier (10) by external force transmitted from the outside of the housing (100).
Patent WO-2010002178-A2 (WO)
Title: Data transmission apparatus and method for a high-speed packet access system
Inventor: KIM OH SEOK
IPC: H04L47/30
Filed: 2009-06-30
Abstract: The present invention relates to a data transmission method for a high-speed packet access system that includes the steps of: a terminal transmitting packet data including scheduling information containing the size of a packet buffer, and quality indication information and response information of the terminal, to a base station via corresponding uplink channels; the base station comparing the received packet buffer of the terminal and the packet buffer of the base station with respective preset threshold values to determine a turbo mode flag; and stopping reception of the packet data of the terminal and transmission of control data, and allocating the transmitting power allocated to another transmitter to the transmitting power of a packet data transmitter to improve packet data upload speed, when the turbo mode flag contained in an order format of the control data transmitted from the base station is set.
Patent WO-2010018946-A2 (WO)
Inventor: JEONG HWAN HEE
IPC: H01L33/36
Filed: 2009-08-04
Abstract: 실시 예는 반도체 발광소자 및 그 제조방법에 관한 것이다. 실시 예에 따른 반도체 발광소자는 제2전극층; 상기 제2전극층의 아래에 복수의 화합물 반도체층을 포함하는 발광 구조물; 상기 발광 구조물의 하부 층들의 내측 영역을 복수의 영역으로 분할하는 적어도 하나의 분할 홈; 및 상기 발광 구조물의 아래에 제1전극을 포함한다.
Patent WO-2010030137-A2 (WO)
Inventor: KIM JONG WAN
IPC: G06F3/041
Filed: 2009-09-11
Abstract: L'invention vise à obtenir une fenêtre et un écran tactile combinés, ainsi qu'un panneau tactile équipé de ceux-ci. La fenêtre et l'écran tactile selon l'invention son conçus en tant qu'unité unique pour simplifier la structure, de manière à permettre une automatisation de processus et une réduction des taux de risques de défaillances du processus. L'invention permet d'accroître sensiblement la fiabilité d'effleurement et la transparence, et d'obtenir un produit mince tout en évitant à la fois les interférences entre la couche d'électrode et le film couleur, et des détériorations de couleur, la dureté de surface étant élevée pour éviter les éraflures etc.
Patent WO-2010087614-A2 (WO)
Title: 오디오 신호의 부호화 및 복호화 방법 및 그 장치
Inventor: CHOO KI HYUN
IPC: G10L19/20
Filed: 2010-01-27
Abstract: 오디오 신호 또는 스피치 신호에 대한 부호화 및 복호화를 수행하는 방법 및 상기 방법이 채용된 장치가 개시된다.
Patent WO-2010087664-A2 (WO)
Title: Gas regulating valve for torch
Inventor: LEE MYUNG HEE
IPC: F23N1/00
Filed: 2010-02-01
Abstract: The present invention relates to a gas regulating valve for a torch. A gas regulating valve for a torch of the present invention has a valve frame including a gas inlet with a substantially tapered cross-section and a gas outlet, a valve pin inserted into an insertion hole formed inside the valve frame to block and open the gas inlet, a handle fastened to a tail portion of the valve pin, and a valve frame fastening block that is immovably fastened on the outside of the valve frame, is formed in a ring shape along an outer periphery of the valve pin on the top of the handle and guides, by rotations of the handle, the valve pin to translate back and forth opposite to the gas inlet, and further comprises a buffer resin part with a conical shape fixed to the top of the head of the valve pin, wherein the buffer resin part has a cross-section corresponding to the tapered shape of the gas inlet, making a surface contact with the tapered surface of the gas inlet. Accordingly, as the contact face between the gas inlet and the valve is protected by the resin, the life of the gas regulating valve is increased and a gas leak between the gas inlet and the valve pin can be suppressed effectively, such that large scale explosion accidents or safety-related accidents as well as environmental contamination or environmental accidents due to a gas leak can be avoided in advance.
Patent WO-2011005009-A2 (WO)
Inventor: SHIN DONG KI
IPC: E01D21/00
Filed: 2010-07-06
Abstract: The present invention relates to an upper part structure for a continuous bridge. The present invention provides an upper structure for a continuous steel composite girder bridge, comprising: a first girder including a first steel girder for supporting a positive moment being applied to the bridge; a third steel composite girder which is prefabricated such that a compressed prestressed third casing concrete is applied to an upper portion of a third steel girder so as to support a negative moment being applied to a first continuous point, and which has one end connected to an end of the first girder in the longitudinal direction; a second girder which includes a second steel girder to support the positive moment being applied to the bridge, and which has one end connected to the other end of the third steel composite girder in the longitudinal direction; and a concrete bridge deck formed on the first girder, the second girder, and the third steel composite girder. The third steel composite girder in which the compressed prestressed casing concrete is applied to the upper portion of the steel girder is installed in the upper portion of the bridge, which is a continuous part of a continuous bridge, to thereby effectively compensate for the negative moment which acts significantly on the upper portion of the bridge in which girders are connected.
Patent WO-2011008015-A2 (WO)
Title: Wafer-dicing method
Inventor: SHIN DONG HYUK
IPC: H01L21/301
Filed: 2010-07-14
Abstract: The present invention relates to a wafer-dicing method for separating a wafer into a plurality of semiconductor dies, comprising: a step of forming a cutting guide groove, involving irradiating femtosecond pulse laser beams, having a pulse duration of 1 picosecond or less, onto the wafer attached to a stretchable dicing tape to form cutting guide grooves into a predetermined pattern on one surface of the wafer; a cracking step of cracking the wafer from ends of the cutting guide grooves toward the other surface of the wafer; and a dicing tape stretching step of stretching the dicing tape to separate the plurality of semiconductor dies from each other.
Patent WO-2011031027-A2 (WO)
Title: Acupressure apparatus
Inventor: CHA ILL WHAN
IPC: A61H39/04
Filed: 2010-08-30
Abstract: The present invention relates to an acupressure apparatus which applies acupressure to the lumbar vertebrae or cervical vertebrae so as to correct the lumbar vertebrae or cervical vertebrae. The present invention relates to an acupressure apparatus comprising: a stand (10) which is arranged upright in the vertical direction; a post (20) arranged on the stand (10) so as to be movable in upward and downward directions; an upper frame (30) which is connected onto the post (20) such that the upper frame (30) is rotatable via a hinge shaft (21), and which has an upper portion having a guide pin (31); an acupressure rod (60) protruding forward from a front surface of the upper frame (30); and a guide bar (40) which is secured into the post (20), and one side of which has a first rail (41) connected to the guide pin (31). The first rail (41) has a semicircular shape in which the hinge shaft (21) serves as a concentric ring, wherein said first rail (41) guides the operation of the guide pin (31). The acupressure rod (60) is movable in the forward and backward directions and in the upward and downward directions, such that the acupressure rod (60) is variably positioned in accordance with the level of intensity of acupressure and the skeleton construction of a user.
Patent WO-2011052908-A2 (WO)
Inventor: HWANG JONG-BUM
IPC: A47G9/10
Filed: 2010-10-15
Abstract: The present invention relates to a pillow for providing abdominal support, which supports the side portion of the abdomen of a person having a large abdomen, such as a pregnant woman or a person with abdominal obesity, such that an unbalanced posture of a user, such as twisting or the like, of the neck, shoulder and waist, caused by the weight of the abdomen of the user, can be prevented during sleep, and the user can sleep deeply and comfortably. In other words, the present invention relates to a pillow for providing support to the side portion of the abdomen when a person with a large abdomen lays on his / her side. The pillow for providing abdominal support according to the present invention supports the abdomen of a user when the user sleeps on his / her side, and therefore the neck, shoulder and waist of the user are prevented from being twisted by the weight of the abdomen, and the user can sleep deeply and comfortably.
Patent WO-2011065798-A2 (WO)
Title: Device and method for selecting transceiver in mobile communication system
Inventor: KIM SOENG HUN
IPC: H04W72/02
Filed: 2010-11-30
Abstract: A device and method for selecting one of a plurality of transceivers in a mobile terminal are provided. The method includes receiving information about the plurality of transceivers, receiving information about at least one transceiver being used, and transmitting a transceiver switching message. By selectively choosing the transceivers in the mobile terminal, radio resources of a mobile communication system can be more optimally used.
Patent WO-2011105695-A2 (WO)
Title: 전자기기 및 전자기기의 동작 방법
Inventor: CHO JIHOON
IPC: H04W4/80
Filed: 2011-01-14
Abstract: 본 발명은 전자기기 및 전자기기의 동작 방법에 관한 것으로서, 릴레이 기기가 두 개 이상의 전자기기의 연결 정보를 상대방에게 릴레이 함으로써, 전자기기 간의 커넥션을 효과적으로 개설할 수 있는 전자기기 및 전자기기의 동작 방법을 제공한다.
Patent WO-2011102675-A2 (WO)
Title: Prestressing system using screw joining
Inventor: AN SOO YOUNG
IPC: E01D22/00
Filed: 2011-02-18
Abstract: The present invention relates to a prestressing system using screw joining, comprising: a beam (100) installed in a structure in the direction of receiving a bending moment; fixing units (200), each of which having an end hinge portion (210), and which are formed at the respective both ends of the beam (100); a plurality of protruded members (300), each of which having a center hinge portion (310), and which is protruded outwardly from the beam (100); a plurality of hinge members (400), each of which having one end hinge-coupled to one side of the end hinge portion (210) and hinge-coupled to both sides of the center hinge portion (310); and a plurality of joint members (500) screw-joined to the other ends of the hinge members (400). The prestressing system of the present invention is installed in such a manner that the line formed by connecting the hinge members (400) and the joint members (500) is curved or bent to allow the middle portion of the connection to be protruded farthest from the beam (100), and prestressing force is applied to the beam (100) by the screw-joining of the joint members (500). The system of the present invention allows re-tensioning and re-utilization of components and enables tensioning operation and installation of ends of tensioning members to be easily performed.
Patent WO-2012015222-A2 (WO)
Title: 터치 입력장치
Inventor: JUNG YOUNG WOO
IPC: G06F3/044
Filed: 2011-07-26
Abstract: 본 발명은 터치 입력장치에 관한 것으로, 도전성 재질로 형성되는 바디와, 상기 바디의 끝부분에 외부로 인출되게 배치되고 정전용량 방식의 터치 패널을 터치하도록 도전성 재질로 형성되는 브러시와, 상기 바디 내부에 설치되어 상기 브러시를 터치 패널에 접촉시킬 때 클릭감을 발생시키는 클릭감 발생유닛으로 구성되어, 터치 패널을 터치할 때 사용자가 클릭감을 느낄 수 있도록 하여 사용이 편리하고, 드래그 작업을 부드럽게 할 수 있고, 그림 그리기 작업이 편리하며, 터치 패널의 표면에 스크래치 등의 손상을 최소화할 수 있고 터치 패널 표면의 청소 작업이 가능하다.
Patent WO-2012070865-A2 (WO)
Title: 정보 공유 시스템 및 방법
Inventor: KIM HYEON IL
IPC: G06Q50/00
Filed: 2011-11-23
Abstract: 정보 공유 시스템 및 방법이 개시되어 있다. 정보 공유 시스템은 공유 폴더를 설정하는 공유 폴더 설정 정보 및 그 공유 폴더를 공유할 공유 사용자 식별 정보를 설정하는 제 1 클라이언트 단말기와, 제 1 클라이언트 단말기로부터 공유 폴더 설정 정보 및 공유 사용자 식별 정보를 수신하고 수신된 공유 폴더 설정 정보 및 상기 공유 사용자 정보를 서로 연계시켜 데이터베이스부에 저장하는 서비스 서버부 및 공유 사용자 식별 정보를 기반으로 서비스 서버부로 로그인하며 서비스 서버부로부터 공유 폴더 설정 정보를 수신하여 그 공유 폴더 설정 정보를 기반으로 제 1 클라이언트 단말기의 공유 폴더를 포함하는 탐색 트리를 표시하고, 공유 폴더로 접근하기 위하여 제 1 클라이언트 단말기와 피투피(P2P : Peer to Peer) 통신을 수행하는 제 2 클라이언트 단말기를 포함할 수 있다. 따라서 사용자의 클라이언트 단말기에 저장된 정보들 중 사용자에 의하여 선택된 정보만을 사용자가 원하는 사용자 식별 정보를 사용하여 로그인한 클라이언트 단말기와만 공유할 수 있다.
Patent WO-2012093842-A2 (WO)
Title: Apparatus and method for detecting location information using navigation algorithm
Inventor: PARK KYONG-HA
IPC: G01S19/25
Filed: 2012-01-04
Abstract: A method and apparatus for detecting location information using a navigation algorithm are provided, in which neighboring Global Positioning System (GPS) satellites are searched for, pseudo-range information is received from at least one of the detected GPS satellites and stored, a displacement of a pedestrian terminal is calculated based on step detection from a pedestrian, the calculated displacement of the pedestrian terminal is corrected using the received pseudo-range information, and the location of the pedestrian terminal is measured using the corrected displacement.
Patent WO-2012141456-A2 (WO)
Title: 열연 코일의 냉각 장치
Inventor: HWANG WOON BONG
IPC: C21D9/573
Filed: 2012-04-06
Abstract: 본 발명의 일 실시예에 따른 열연 코일의 냉각 장치는 열연 코일을 지지하는 지지부, 지지부의 내부에 배치되어 있는 열교환부, 열교환부에 연결되어 있으며 열교환부에 냉각수를 공급하는 펌프부를 포함할 수 있다. 따라서, 본 발명의 일 실시예에 따른 열연 코일의 냉각 장치는 펌프부가 열교환부의 복수개의 열교환관에 동일한 압력을 받는 냉각수를 공급함으로써 점성 저항의 크기가 작은 고온 열교환관으로 많은 유량의 냉각수가 흐르게 하여 열연 코일의 고온 지점과 저온 지점간의 온도차를 적게 하여 열연 코일의 온도 분포를 균일하게 할 수 있다.
Patent WO-2012165851-A2 (WO)
Inventor: LEE HYUNHO
IPC: B67B7/14
Filed: 2012-05-30
Abstract: La présente invention a trait à un décapsuleur permettant de tourner une capsule pour bouteille de type à rotation en vue d'ouvrir la capsule pour bouteille. Le décapsuleur destiné à une capsule pour bouteille de type à rotation inclut : une première partie de préhension qui est dotée d'une courbure supérieure à celle de la capsule pour bouteille ; un manche fixe sur lequel est monté un ressort et qui est doté d'une extrémité sur laquelle la première partie de préhension est disposée ; une seconde partie de préhension qui est dotée d'une courbure inférieure à celle de la première partie de préhension ; et un manche mobile qui est doté d'une extrémité sur laquelle la seconde partie de préhension est disposée, le manche mobile étant élastiquement supporté par le ressort.
Patent WO-2012165928-A2 (WO)
Inventor: CHEON AN
IPC: B65D5/66
Filed: 2012-06-04
Abstract: La présente invention a trait à une boîte en papier dotée d'un corps et d'une unité rotative qui sont formés d'un seul tenant, laquelle boîte en papier comprend : le corps et un couvercle qui sont formés d'un seul tenant, ce qui permet de la sorte d'empêcher que le couvercle ne soit perdu ; l'unité rotative qui est tournée par rapport au corps suivant un certain angle au moyen d'un assemblage unique, ce qui permet de réduire le temps de traitement et d'obtenir des opérations d'ouverture et de fermeture faciles ; la boîte étant ouverte et fermée en tournant l'unité rotative par rapport au corps au moyen d'une opération unique, ce qui permet d'augmenter la commodité d'utilisation.
Patent WO-2013009043-A2 (WO)
Inventor: KIM HYUNGTAE
IPC: H04L1/18
Filed: 2012-07-06
Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and an apparatus for transceiving a downlink hybrid automatic repeat request (HARQ). According to one embodiment of the present invention, a method for setting an HARQ process by a terminal in a wireless communication system may comprise the steps of: receiving, from a base station, limited-resource information indicating a resource the use of which for downlink transmission to the terminal is limited; determining an HARQ process to be activated on the basis of the limited-resource information; and performing an HARQ operation for the downlink transmission by means of the HARQ process to be activated.
Patent WO-2014007589-A2 (WO)
Title: 멀티 터치 입력 처리 방법 및 장치
Inventor: NAM SUNGSIK
IPC: G06F3/03
Filed: 2013-07-08
Abstract: 본 발명은 멀티 터치 입력 처리 방법에 있어서, 터치 패널에 멀티 터치 입력이 발생 시, 제1 입력 영역과 제2 입력 영역 간의 중첩 영역이 존재하는지 판단하는 과정과, 상기 중첩 영역이 존재하는 경우, 상기 제1 입력 영역의 중점과, 상기 제2 입력 영역의 중점과, 상기 중첩 영역의 중점을 산출하는 과정과, 상기 제1 입력 영역의 중점을 통과하는 제1 직선과, 상기 제2 입력 영역의 중점을 통과하는 제2 직선과, 상기 중첩 영역의 중점을 통과하는 제3 직선을 결정하는 과정과, 상기 제1 직선과, 상기 제2 직선과, 상기 제3 직선 각 주변 영역의 터치 입력 강도의 합을 산출하는 과정과, 상기 제1 직선 혹은 제2 직선 주변 영역의 터치 입력 강도의 합과, 상기 제3 직선 주변 영역의 터치 입력 강도의 합을 비교하여, 상기 제1 입력 영역과 상기 제2 입력 영역의 병합 여부를 결정하는 과정을 포함함을 특징으로 한다.
Patent WO-2017171342-A2 (WO)
Inventor: SEO GU-WON
IPC: C01G3/02
Filed: 2017-03-28
Abstract: 본 발명은 가시광선 영역에서 백색이면서 근적외선 영역의 파장을 흡수하는 백색물질과 그 제조방법 및 이용에 관한 것으로, 더욱 상세하게는 가시광선 영역에서 백색도(CIE L*) 값이 90이상이면서 입자 제조 특성이 우수한 근적외선 흡수 물질을 제조하는 방법과 이 물질의 근적외선 흡수 특성과 항균특성을 부가한 제품의 제조 이용에 관한 것이다. 이러한 발명의 목적을 달성하기 위하여 근적외선 흡수와 항균 특성을 가지고 있은 피로인산구리화합물을 선정하였는데, 종래의 기술과 방법으로 제조된 물질은 녹색내지 청색의 색상을 가지고 있어 사용상에 제약을 가지고 있었지만, 본 발명으로 백색도가 높고 미세입자 특성이 우수한 물질을 제조하여 색상으로 인한 제약 요소를 해결할 수 있었다. 이렇게 제조된 피로인산구리화합물은 근적외선 흡수 특성을 이용한 보안제품의 위조방지, 변조방지, 기기감지 등과 플라스틱의 레이저 마킹, 레이저 용접 등과 이를 첨가한 제품에 항균성을 부여하는 등의 다양한 이용 및 응용 효과가 있다.
Patent WO-2018186722-A2 (WO)
Title: 복수개의 산소 노즐형 산소 공급기
Inventor: KIM JIN HYO
IPC: A61L9/14
Filed: 2018-04-09
Abstract: 본 발명은 복수개의 산소 노즐형 산소 공급기에 관한 것으로, 벽면에 부착되며 내부에 설치 공간이 형성되며 전면 및 측면에는 복수개의 산소 노즐이 설치된 하우징과, 하우징에 산소 유입관으로 연결되어 산소를 공급하는 산소 발생기와, 산소 유입관에 분배기로 연결되며 복수개의 산소 노즐에 연결되어 산소를 분배하도록 분기된 복수개의 분기관과, 하우징에 설치되어 향을 발산하는 향발산부를 포함한다.
Patent WO-2019054849-A2 (WO)
Title: Duplex optical fiber connector capable of connection tracking
Inventor: PARK CHANSOOL
IPC: G02B6/38
Filed: 2018-09-18
Abstract: The present invention relates to a duplex optical fiber connector capable of connection tracking, comprising: a connector body including a first body and a second body, wherein an optical fiber cable including a metal wire is connected to each of the first body and the second body; a connector backbone provided at an end of each of the first body and the second body and fixing an end of the optical fiber cable thereinside; a crimp surrounding the connector backbone; and a tracking means electrically connected to the crimp and including a light emitting part, wherein the metal wire is exposed to the outside of the connector backbone at the end of the optical fiber cable and is fixed between the connector backbone and the crimp, and the crimp includes a metal.
Patent WO-2019059715-A2 (WO)
Title: Motor
Inventor: JUNG HYO YUN
IPC: H02K21/22
Filed: 2018-09-21
Abstract: An embodiment provides a motor comprising: a stator including a through hole; a cylindrical rotor which is disposed in the through hole; a rotor center shaft which is formed in the central region of the rotor and to which a rotary shaft is coupled; and a first magnet and a second magnet which are disposed between the stator and the rotor, wherein: the rotor includes an outer contour portion and a patterned portion formed between the outer contour portion and the rotor center shaft; the patterned portion includes a plurality of unit patterns and a hollow portion formed in each of the unit patterns; the outer contour portion includes an outer circumferential surface on which the first magnet and the second magnet are disposed and an inner circumferential surface which comes in contact with the plurality of unit patterns; the inner circumferential surface of the outer contour portion further includes a first protrusion portion protruding in a first direction toward the rotor center shaft; and in the first direction, the maximum length of the first protrusion portion is greater than the maximum length of each of the unit patterns.