baber/WOPTO huggingface dataset:
Patent KR-20220170541-A (KR)
Title: Method and system for managing for health using self-assessment
Inventor: PARK CHUL YOUNG
IPC: G16H20/60
Filed: 2021-06-23
Abstract: A health management method through dietary self-assessment according to an embodiment of the present invention comprises the steps of: acquiring, by a communication part, blood sugar information about a morning blood sugar level after breakfast, a lunch blood sugar level after lunch, and an evening blood sugar level after dinner from a user terminal; a memory part storing the blood sugar information; transmitting, by a control part, self-assessment survey request information to the user terminal through the communication part when the blood sugar information satisfies preset questionnaire conditions; obtaining, by the communication part, self-assessment information, which is self-assessment of the self-assessment survey request information, from the user terminal; and transmitting, by the control part, feedback information about a health management method to the user terminal through the communication part based on the self-assessment information. The present invention has an advantage of allowing a user to easily self-assess his/her eating habits and manage his/her health.
Patent KR-20220014286-A (KR)
Inventor: KO JOONSEONG
IPC: G06Q30/02
Filed: 2021-06-29
Abstract: An objective of the present invention is to provide a shopping mall system that enables efficient point payment and secures a basic profit rate of a shopping mall. Disclosed are a shopping mall system, a method for paying points, and a method for controlling a profit rate in the system. The system comprises a purchase processing unit and a point service unit. The purchase processing part performs a corresponding purchase processing when purchasing a product through a customer terminal. The point service part pays a member customer additional points set according to a point usage rate, which is a ratio of points used by the member customer to the points paid to the member customer. Profit rate control is performed by setting a part of the price of the product to be purchased as the maximum available points, when points are used for purchase processing in a purchase processing part.
Patent KR-20230003787-A (KR)
Inventor: HONG SO HYUN
IPC: A01K67/033
Filed: 2021-06-30
Abstract: The present invention relates to a heating and humidifying device for supplying temperature and humidity in an insect farm. In particular, the present invention simultaneously supplies temperature and humidity in the insect farm to maintain uniform growth of insects and improve productivity by efficiently managing insects by reducing mortality. The present invention automatically supplies water from a water tank (4) to a water bath (6), generates water vapor by heating a carbon heating wire (11) under the water bath (6), and uses a carbon heater (9) to simultaneously supply temperature and humidity to the insect farm. In addition, the present invention is conveniently moved through a moving device (2) to supply temperature and humidity to areas near the floor, corners, or walls of buildings in which the temperature and humidity in the insect farm cannot be transmitted so as to maintain constant growth of insects sensitive to temperature and humidity, reduce mortality, and simultaneously supply temperature and humidity for breeding.
Patent KR-20230005501-A (KR)
Title: Improved program operation method of three dimensional flash memory
Inventor: SONG YUN HEUB
IPC: G11C16/30
Filed: 2021-07-01
Abstract: Disclosed is an improved program operation method of a three-dimensional flash memory, which can promote an effect of overcoming a limitation that an existing ISPP method has. According to one embodiment of the present invention, a three-dimensional flash memory includes: word lines formed to extend in a horizontal direction on a substrate and separately disposed in a vertical direction; and cell strings penetrating the word lines and formed to extend in the vertical direction, wherein each of the cell strings includes a data storage pattern formed to extend in the vertical direction and a vertical channel pattern covering an inner side wall of the data storage pattern and formed to extend in the vertical direction, and the data storage pattern and the vertical channel pattern constitute memory cells corresponding to the word lines. According to one embodiment of the present invention, the program operation method of the three-dimensional flash memory includes: a step of applying a program voltage, which has a value obtained by adding a step voltage to a previous program voltage applied in a previous program operation, to a selected word line corresponding to a target memory cell from among the word lines. The step voltage increases with a repetition of program operations.
Patent KR-20230005618-A (KR)
Title: Manhole with insecticide effect
Inventor: LEE YONG WOON
IPC: E02D29/14
Filed: 2021-07-01
Abstract: The present invention relates to a manhole for discharging sewage (1) or the like introduced from the outside. The manhole comprises: a main body (10) having a lid portion (12) with a grating (11) formed therein so that the sewage (1) can be introduced thereinto from the outside, and having a discharge portion (13) provided therein to discharge the introduced sewage (1); a blocking means (20) having a vertical pipe (22) provided on a support (21) inside the main body (10) to guide the sewage (1), and having a blocking net (23) inserted into the vertical pipe (22) to block foreign substances in the sewage (1); a discharge means (30) provided therein to automatically discharge the sewage (1) according to the amount of the sewage (1) introduced into the vertical pipe (22) of the blocking means (20), and to block odors and prevent rats and pests (3) from entering; and an insecticidal means (40) mounted on the lid portion (12) of the main body (10) to kill the various insects (3) inside the main body (10). Accordingly, the manhole allows smooth inflow and flow of external rain or various sewage while preventing the inflow of external foreign substances, can automatically block odors introduced thereinto from the inside and automatically discharge the sewage when an appropriate amount of sewage is introduced thereinto, and can kill various pests entering from pipes such as sewers.
Patent KR-20220006479-A (KR)
Inventor: LEE JIN KYU
IPC: H01M10/617
Filed: 2021-07-07
Abstract: A battery pack according to an embodiment of the present invention includes: a plurality of battery modules; a pack housing for accommodating the plurality of battery modules therein; and an energy consuming unit that is accommodated in the pack housing, is connected to at least one of the plurality of battery modules to convert electrical energy stored in the battery module into thermal energy as the temperature inside the pack housing rises, and dissipates the converted thermal energy through at least one of the pack housing and a heat sink.
Patent KR-20230010146-A (KR)
Inventor: JOO MIN KYU
IPC: H01L29/24
Filed: 2021-07-09
Abstract: The present invention relates to an electronic device using 2D materials. According to the present invention, an electronic device using 2D materials includes a dielectric; an interlayer material; a source electrode; and a drain electrode. It is possible to reduce the effective contact resistance by forming a through hole in the interlayer material or by forming the source electrode and the drain electrode at various positions of the interlayer material.
Patent KR-20230009777-A (KR)
Title: Isothermal apparatus for caes system
Inventor: CHOI SANG DUCK
IPC: F24T10/00
Filed: 2021-07-09
Abstract: According to one aspect of the present invention, an isothermal apparatus for a CAES using a hydro-turbine and geothermal cooling is provided. According to one embodiment, a lower chamber, an air balloon, a compressor, etc. are located in a space at a depth of 10 m or more underground to provide a function of maintaining a constant temperature throughout the year by geothermal means.
Patent KR-20210090142-A (KR)
Title: Modularized vaporizer
Inventor: SEOK IN SUN
IPC: A24D1/14
Filed: 2021-07-10
Abstract: The present invention relates to a vaporizer, wherein a fuel module room, a heating module room, or a vaporization module room are provided in a body housing so that a fuel module, a heating module, or a vaporization module can be easily combined with and separated from the body housing in a drawer type, and heating energy (light, beams, heat) launched (irradiated) from a heating member of the heating module uniformly heats (irradiates) a specific surface of fuel or an absorbing member so that carbonization of the fuel or the absorbing member is suppressed.
Patent KR-20230010866-A (KR)
Inventor: PARK JAE HYUN
IPC: H10K71/00
Filed: 2021-07-12
Abstract: A display device may comprise: a substrate comprising a sub-pixel area and a contact area; an auxiliary wiring disposed in the contact area on the substrate; a connection pattern disposed on auxiliary wiring; a light emitting layer disposed in the sub-pixel area on the substrate; an upper part common layer disposed on the light emitting layer and the connection pattern, and comprising micro-openings exposing the connection pattern; and an upper part electrode disposed on the upper part common layer, and penetrating the micro-openings to contact the connection pattern. Therefore, the present invention is capable of enabling a voltage drop phenomenon not to occur.
Patent KR-20230010909-A (KR)
Inventor: BANG EUL YONG
IPC: B65D85/50
Filed: 2021-07-13
Abstract: The present invention relates to a meat wrapper with a freshness measurement label attached and, more specifically, to a meat wrapper with a freshness measurement label attached, capable of determining at a glance the temperature capable of maintaining optimal freshness when purchasing meat by attaching a label containing thermal ink, which changes color depending on temperature changes, on a meat wrapper and capable of determining the temperature that maintains the optimal freshness by checking the color of the label even during storage. The present invention comprises: a packaging container made of polystyrene (PS), having an open surface to accommodate meat to allow a user to freely move the meat, preventing the juice of the meat from overflowing when accommodating the meat, and having a packaging frame of which the outer circumference protrudes diagonally to prevent the meat from coming off due to impact; a film bonded to the upper surface of the packaging container to seal the upper surface of the packaging container to prevent the meat from being exposed to oxygen; a price label attached to one side of the film so that consumers can know the price per weight of the meat; and a freshness wrapper in which an adhesive is applied to one side to be attached to one side of the label, invariant ink is applied to the opposite side of the side where the adhesive is applied, an invariant ink layer is formed on one side of the label, and a thermal ink layer that changes color depending on temperature changes is formed on the invariant ink layer to allow the color of the invariant ink to appear depending on temperature changes.
Patent KR-20230011043-A (KR)
Inventor: KIM DAE HEE
IPC: G01R22/06
Filed: 2021-07-13
Abstract: Disclosed is a modular electronic watt-hour meter, which can be separated into a base part and a metering part. The modular electronic watt-hour meter includes: a modular metering unit in which electronic components are disposed; and a modular base part which is separately fastened with the metering part. According to the present invention, it is possible to reduce working time and construction cost by replacing only a metering unit in case of a simple failure of the metering unit of the watt-hour meter.
Patent KR-20210091111-A (KR)
Title: Electronic sterilizing humidifier
Inventor: KIM JULIE
IPC: H05B3/40
Filed: 2021-07-15
Abstract: Disclosed is a sterilizing humidifier using a ceramic honeycomb heating element. The present invention provides a humidifier characterized in that a ceramic honeycomb heating element is installed at a discharge port of a general ultrasonic humidifier to perform sterilization process by heating atomized particles to 100 degrees or more. The ceramic honeycomb heating element can heat the atomized particles, generated by the ultrasonic humidifier, to 100 degrees or more with low power consumption of about 100 Watt and can perfectly sterilize microorganisms contained in the atomized particles because a contact area with the atomized particles is wide due to a honeycomb structure. The present invention may provide the sterilizing humidifier that has very low power consumption as compared with a conventional heating type humidifier and solves a sanitary problem caused by the general ultrasonic humidifier and in particular, may be used as the sterilizing humidifier necessary for the storage of exhibited items vulnerable to microorganisms.
Patent KR-20230017527-A (KR)
Title: Pneumatic tires with enhanced side stiffness
Inventor: SOHN GUI JUNG
IPC: B60C13/04
Filed: 2021-07-28
Abstract: In accordance with one embodiment of the present invention, provided is a technique capable of improving handling performance by applying high stiffness in vertical and horizontal directions of a tire sidewall. In accordance with an embodiment of the present invention, a pneumatic tire with reinforced side stiffness, wherein the pneumatic tire includes a sidewall curved to both sides of a tread which is a thick rubber layer in direct contact with a road surface, and a bead bundle including a bead wire enabling a tire to be placed on the rim of a vehicle wheel, includes: an inner liner, which is a rubber layer located on the innermost side of the tire; a carcass cord, as an internal frame of the tire formed between the tread and the inner liner, including a turn-up part turned up with respect to the bead bundle; a first bead filler having one part surrounded by the turn-up part and another part of the carcass cord connected to the turn-up part; and a second bead filler formed between the inner liner and the carcass cord and having one part formed to be adjacent to the first bead filler.
Patent KR-20230020230-A (KR)
Title: Dish washer
Inventor: JONGYOUNG KIM
IPC: A47L15/48
Filed: 2021-08-03
Abstract: An embodiment of a dishwasher comprises: a tub which forms a washing space and accommodates objects to be washed; a base which is on the lower side of the tub and to which the tub is mounted; a door which is coupled to the base to be rotatable and opens and closes the washing space; a sump which is mounted on the base and stores washing water; and an air supply device which is mounted on the base and injects air into the tub. The door is provided to be coupled with the base from the front side of the sump when viewed from front and rear directions of the base, and the air supply device may be disposed at the rear side of the sump when viewed from the front and rear directions of the base. The air supply device and an air supply module of the dishwasher can effectively prevent the dishwasher from tipping over when the door is opened.
Patent KR-20210101195-A (KR)
Title: Manufacturing Apparatus of Biodegradable Surgical Thread
Inventor: CHOI MAN JAE
IPC: B29C48/88
Filed: 2021-08-10
Abstract: Disclosed is a manufacturing apparatus of biodegradable surgical thread. According to an embodiment, the manufacturing apparatus includes: an extrusion body provided with a hopper into which a resin raw material is input on one side, provided with a cylinder through which the resin raw material is transported, and formed with an extrusion hole for discharging an extrudate at the other side; a screw unit rotatably formed in the cylinder and extruding and transporting the resin raw material; a heating unit formed inside the extrusion body to melt the resin raw material by transferring heat to the cylinder; a cooling water passage and a cooling water supply unit formed inside the extrusion body and circulating cooling water; and an additive input unit connected to a portion adjacent to the extrusion hole of the extrusion body, wherein the additive input unit is formed at a position spaced apart from the extrusion hole by 10 to 15 cm based on the middle of the entire length of the extrusion body. According to the present invention, the additive is allowed to be inputted from a site close to the outlet of the extruder so that the additives are burned due to high heat to minimize the risk of loss of unique functions, thereby producing high quality biodegradable yarns.
Patent KR-20230023383-A (KR)
Inventor: HAN GUN SUK
IPC: F24F7/003
Filed: 2021-08-10
Abstract: The present invention relates to a frame on which an air purifier and a ventilation system are installed that can measure indoor air polluted with indoor fine dust and carbon dioxide through a sensor and then exhaust the indoor air to the outside without opening a window, and more specifically, relates to an air purifier-ventilation system frame structure comprising: a rear end frame having grooves respectively formed in the upper and lower portions thereof and having a plurality of fasteners and reinforcing ribs formed on the body thereof; an upper frame having a protrusion formed on one end to fit into the groove at the upper end of the rear end frame and having a step formed at the lower portion of the other end; a lower frame corresponding to the upper frame, having a protrusion formed on one end to be coupled to the groove at the lower end of the rear end frame, and having a step formed on the upper portion of the other end; and a cover panel coupled to the steps on the front surfaces of the upper frame and lower frame.
Patent KR-20230025069-A (KR)
Title: Inhalatain hood for inflow seawater
Inventor: KIM BYUNG SOO
IPC: B01D35/02
Filed: 2021-08-13
Abstract: The present invention relates to a hood for seawater suction of a seawater intake device capable of backwashing and, more specifically, to a hood for seawater suction of a seawater intake device capable of backwashing, wherein the seawater suction hood is installed on the seafloor located far from the coast to supply clean seawater to seawater users. In particular, the filtration efficiency of a filtration layer which takes in seawater is managed so that abalone and sea bass do not inhabit, and the filtration efficiency is not reduced. In addition, a hole through which the seawater flows can be managed by controlling a flow path of the seawater and cleaning air as needed. Furthermore, the present invention can prevent a decrease in the filtration efficiency by forming a bio-inhabitation prevention membrane to prevent access of the abalone and the sea bass, such that the abalone and the sea bass are prevented from inhabiting, and can achieve convenient maintenance.
Patent KR-20230026034-A (KR)
Inventor: PARK BYUNG YEON
IPC: H04L51/00
Filed: 2021-08-17
Abstract: 본 발명은 디지털 화환 서비스 방법에 관한 것으로, 본 발명의 일 실시예에 따른 디지털 화환 서비스 방법은, 게스트의 선택에 따라 디지털 화환 이미지를 결정하는 단계와, 선택된 화환 이미지가 포함된 디지털 화환 메시지를 생성하는 단계, 그리고 행사 주최자에게 생성한 디지털 화환 메시지를 전달하는 단계를 포함한다. 이로 인해, 본 발명은 종래의 실물 화환을 대신하여 축하 또는 애도의 뜻을 전달할 수 있으므로, 종래의 실물 화환으로 인한 환경오염 등의 문제를 차단하고, 행사 주최자가 전달받은 축하 또는 애도의 메시지를 오랜 시간 개인 소장 가능한 효과가 있다. 또한 서로 상이한 원격지에서 사회적 관련 집단간에 동일한 이미지를 통합하여 전달 또는 전송할 수 있는 수단이 없으므로, 개별적으로 서로 다른 시기에, 서로 다른 이미지로 전달되어 공통된 이미지 전달에 어려움을 해결할 수 있다.
Patent KR-20230026700-A (KR)
Title: 백작약 추출물을 포함하는 동물용 복합기능성 약제학적 조성물의 제조방법
Inventor: JANG SEUNG WON
IPC: A61P37/00
Filed: 2021-08-18
Abstract: 본 발명은 백작약 추출물을 포함하는 동물용 복합기능성 약제학적 조성물의 제조방법에 관한 것이다. 본 발명에서 제공하는 동물용 복합기능성 약제학적 조성물은 천연물질인 백작약의 저온추출단계를 포함하여 동물에 투여했을 때 부직용을 유발하지 않으면서 백작약의 유효성분을 우수하게 제공한다. 또한 수용성 과립형 원물로 제조되어 사료 또는 물에 첨가하여 사용하는 것이 가능하기 때문에 동물 스스로 음용하는 것이 용이하다.
Patent KR-20230027591-A (KR)
Inventor: HWANG BEOM SEOK
IPC: B63B25/16
Filed: 2021-08-19
Abstract: 본 발명은 선체 내벽에 설치되는 단열층; 단열층의 상부에 연속하여 인접하게 설치되되 상하 방향으로 서로 이격되는 2차 방벽과 1차 방벽; 및 2차 방벽과 1차 방벽 사이에 설치되는 방벽 간 구조물을 포함하는 액화가스 저장탱크의 단열시스템에 있어서, 상기 방벽 간 구조물은, 1차 방벽을 2차 방벽으로부터 상측으로 이격시키고 지지하는 다수의 지지부재; 및 서로 인접하게 배치되는 지지부재 사이를 연결하는 연결부재를 포함하고, 상기 연결부재는 액화가스 저장탱크 내부에서 발생하는 슬로싱 하중 및 액화가스 저장탱크 내부에 수용되는 극저온 액화가스에 의한 열수축을 흡수할 수 있도록 상방으로 돌출된 형태의 주름 구조를 포함하는 것을 특징으로 하는, 이중 금속 방벽 구조를 가지는 액화가스 저장탱크의 단열시스템을 제공한다. 
본 발명에 의하면, 액화가스 저장탱크의 내부에서 발생하는 슬로싱 하중에 대한 구조적 안정성을 확보하는 동시에 1, 2차 방벽의 열수축에 대해서도 유연한 대응이 가능하고, 방벽 간 구조물의 설치구조가 간소화되어 설치 작업의 효율성 및 시공성이 크게 향상되는 효과가 있다.
Patent KR-20230027758-A (KR)
Title: 스마트 벌통
Inventor: LEE KYUNG DUEK
IPC: H04N7/18
Filed: 2021-08-20
Abstract: 스마트 양봉 시스템이 제공된다. 본 발명의 실시예에 따른 스마트 양봉 시스템은 벌들이 출입하는 출입구가 양측에 어레이로 구비되는 컨테이너, 컨테이너 내에서 양측의 출입구에 대응하여 어레이로 구비되는 벌통, 소비 내의 상태를 감지하는 센서부, 소비 내를 촬영하는 카메라, 컨테이너 내부의 양측 벌통 사이의 공간에 설치되며 소비를 벌통에서 착탈하도록 구동하는 로봇팔이 적어도 일측에 구비되고, 로봇팔이 임의의 벌통으로 이동하도록 구동하는 이동수단, 관리 서버와 유선 또는 무선으로 통신을 수행하는 통신부, 센서부에서 감지된 상태정보를 저장하는 저장부, 및 저장부에 저장된 상태정보를 관리 서버로 전송하도록 제어하고, 로봇팔이 임의의 벌통의 위치로 이동하여 해당 소비를 상기 벌통으로부터 착탈시켜 상기 카메라로 이동시키고 카메라가 해당 소비의 상태를 촬영하도록 제어하는 제어부를 포함한다.
Patent KR-20220023733-A (KR)
Inventor: KIM U SEOK
IPC: D03D49/00
Filed: 2021-08-23
Abstract: Disclosed are a fiber composite material produced using a backstitch, which can improve productivity due to a simple manufacturing process and increase the structural strength of a fiber composite material, and a method for producing the same. The fiber composite material according to the present invention comprises: a sheet main body that is formed by stacking up a plurality of reinforcing fiber sheets made of at least one among a carbon fiber, a glass fiber, and a Kevlar fiber; backstitch threads that are done with backstitching so as to allow the reinforcing fiber sheets constituting the sheet main body to be fixed in a stacked state; and a resin impregnated into the sheet main body backstitched by the backstitch threads.
Patent KR-20230033232-A (KR)
Inventor: DOH HEE CHAN
IPC: A42B3/18
Filed: 2021-08-31
Abstract: 본 발명은 스마트 헬멧을 이용한 작업자 안전 모니터링 시스템에 관한 것으로, 작업자의 머리에 탈착 가능한 헬멧 형태로 마련되며, 착용한 작업자의 작업 수행에 필요한 기능 제공하고, 작업 주변 환경에 관한 각종 정보들을 수집 생성하는 스마트 헬멧;  작업자의 팔목에 탈착 가능한 시계 형태로 마련되며, 착용한 작업자의 생체, 활동량 및 위상 관련 정보를 감지 생성하는 스마트 워치; 상기 스마트 워치와 무선 통신 네트워크를 구축하여 상기 스마트 워치를 통해 생성되는 각종 정보를 수신하고, 내장 설치된 스마트 워치 연동 애플리케이션을 통해 상기 스마트 워치로부터 수신된 각종 정보의 저장 관리 및 외부로의 전송을 수행하는 작업자 단말; 상기 스마트 헬멧 및 작업자 단말과 무선 통신 네트워크를 구축하며, 상기 스마트 헬멧을 통해 생성되는 정보들을 수신하여 내부에 저장 관리하고, 상기 작업자 단말로부터 수신되는 생체 정보 및 위치정보를 저장 관리하는 관리서버; 및 내장 설치된 작업자 안전 모니터링 애플리케이션을 통해 상기 관리서버에 접속하여 내부에 기 저장된 정보를 출력 제공받는 관리단말;를 포함한다.
Patent KR-20230033534-A (KR)
Title: 이차전지 및 이차전지 제조방법
Inventor: JU JEONG HUN
IPC: H01M50/167
Filed: 2021-09-01
Abstract: 본 발명은 이차전지 및 이차전지 제조방법에 관한 것으로서, 보다 상세하게는 크림핑(crimping) 영역에 열 변형 가능한 실링부를 포함하는 이차전지 및 이차전지 제조방법에 관한 것으로서, 본 발명은 전극 조립체를 수용하고 상부가 개방된 구조를 갖는 캔; 상기 캔의 상부에 구비되어 상기 캔의 개방된 상부를 밀폐하는 캡 조립체; 상기 캔과 상기 캡 조립체 사이에 개재되는 가스켓을 포함하는 이차전지에 있어서, 상기 캔, 상기 캡 조립체 및 상기 가스켓이 크림핑(crimping)되어 접히는 크림핑 영역에서 상기 가스켓의 내주면 및 외주면 중 적어도 어느 하나를 따라 구비되는 실링부를 포함하며; 상기 실링부는 열 변형 가능한 것을 특징으로 하는 이차전지를 제공한다.
Patent KR-20230035918-A (KR)
Inventor: KIM JU CHAN
IPC: B66B13/14
Filed: 2021-09-06
Abstract: 본 발명은 엘리베이터 도어 제어 시스템에 관한 것으로, 본 발명의 일 실시예에 따른 엘리베이터 도어 제어 시스템은, 엘리베이터 카 내부에서 카의 출입구를 포함하는 영역의 영상을 수집하는 영상 수집 장치와, 영상 수집 장치에서 수집한 영상에 기초하여 닫힘 요청 신호를 생성하는 신호 생성 장치, 그리고 신호 생성 장치에서 생성한 닫힘 요청 신호를 수신하고 닫힘 요청 신호를 수신하면 설정된 도어 개방 유지 시간과 상관없이 엘리베이터 도어를 닫힘 제어하는 제어반을 포함한다. 이로 인해, 본 발명은 탑승자의 닫힘 조작 횟수를 감소시키고, 다른 층에서 엘리베이터 탑승을 대기 중인 탑승 예정자의 대기 시간을 단축시키며, 엘리베이터 운영 효율을 향상시키는 효과가 있다.
Patent KR-20220043860-A (KR)
Inventor: PARK CHUL SOON
IPC: G03B5/00
Filed: 2021-09-06
Abstract: The present invention provides a reflectometer actuator comprising: a middle frame; a moving frame having a reflectometer for reflecting or refracting light and being rotatable in a first direction with respect to the middle frame; a first rotation guide provided between the moving frame and the middle frame to guide the rotation of the moving frame and including a first guide rail having an arc shape and a first holder; and a first ball provided in the first holder. The first guide rail is provided on the middle frame, and the first holder is provided on the moving frame facing the first guide rail, or the first guide rail is provided on the moving frame, and the first holder is provided on the middle frame facing the first guide rail. Accordingly, the accuracy of OIS can be further improved.