baber/WOPTO huggingface dataset:
Patent KR-102266320-B1 (KR)
Title: artificial intelligent speaker system
Inventor: WHANG MIN SUM
IPC: H04R3/00
Filed: 2020-06-24
Granted: 2021-06-16
Abstract: The present invention relates to an artificial intelligent speaker system which comprises: a main terminal control unit outputting response information to voice instruction content through an internal speaker when the corresponding voice instruction content exist in a sound signals input through an internal microphone mounted on a main body; a main device including a main terminal communication unit controlled by the main terminal control unit to communicating with a registered user terminal; and a sub device separated from the main body and when an external noise blocking mode execution instruction signal is received from the main device through a sub terminal communication unit, generating an external interference canceling signal capable of performing destructive interference with an external acoustic signal received through an external microphone to output the canceling signal through the external speaker. Accordingly, the artificial intelligence speaker system provides an advantage of supporting noise canceling by destructive interference when the noise canceling is required.
Patent KR-102364725-B1 (KR)
Title: 실내전용 방역을 위한 장비를 장착한 차량 및 그 제어방법
IPC: B05B1/06
Filed: 2020-06-29
Granted: 2022-02-21
Abstract: 본 발명은 실내전용 방역을 위한 장비를 장착한 차량 및 그 제어방법에 관한 것으로서, 더욱 상세하게는, 실내 방역을 위한 전용장비 및 제어장치를 구비한 차량과, 그러한 차량의 제어방법에 관한 것이다. 
본 발명에 의하면, 실내에서의 운행이 가능하면서 방역 장비를 장착한 무공해 전기차를 이용하여 방역을 수행함으로써 신속한 실내 방역을 가능하게 할 뿐 아니라, 방역을 위한 인원도 최소화하여 방역 수행인원의 감염의 위험도 최소화하는 방역차량 및, 그러한 방역차량을 제어하는 제어방법을 제공한다.
Patent KR-102381959-B1 (KR)
IPC: H04S3/00
Filed: 2020-07-06
Granted: 2022-04-01
Abstract: 본 발명은 다채널 사운드 시스템이 구비된 의자용 부재 및 이를 포함하는 의자에 관한 것으로서, 보다 구체적으로, 복수의 채널로부터 출력된 사운드에 의해 의자에 착석한 사용자로 하여금 공간감 내지 입체감을 제공하는 것이 가능한 다채널 사운드 시스템이 구비된 의자용 부재 및 이를 포함하는 의자에 관한 것이다.
Patent KR-102378378-B1 (KR)
Title: 전선커플러
IPC: H01R13/639
Filed: 2020-07-08
Granted: 2022-03-24
Abstract: 본 발명은 전선커플러에 관한 것으로서, 커플러와 전선의 연결구조를 통해 커플러 측의 단자와 전선과의 접촉효율을 개선하고 전선이 커플러로부터 이탈되는 것을 방지하는 구조에 관한 것으로서, 피복 내에 한 쌍의 전도성 코어가 각각 마련된 제1전선 및 제2전선의 일부가 인입되는 제1조립체; 제1조립체와 조립되고, 제1전선이 배열되는 제1배열로 및 제1배열로와 연결되고 제2전선이 배열되는 제2배열로가 마련되는 제2조립체; 및 제2조립체 내에서 제1배열로와 제2배열로를 경유하며 연장배치되고, 일단이 제1배열로 내에서 제1전선과 결합되고 타단이 제2배열로 내에서 제2전선과 결합되어 제1전선 및 제2전선이 전기적으로 연결되도록 하며, 제1배열로 내에서 서로 병렬배치되는 한 쌍의 전도성 코어 각각과 연결될 수 있도록 교호(交互)배치되는 한 쌍의 연결단자;를 포함하는, 전선커플러가 제공된다.
Patent KR-102188041-B1 (KR)
Inventor: LEESANG JUN
IPC: B25B33/00
Filed: 2020-07-10
Granted: 2020-12-07
Abstract: Provided is portable smart firefighting equipment which comprises: a cylindrical-shaped body unit (105); a cover unit (106) which is engaged with one end of the body unit; a cylindrical unit (107) which is formed in a cylindrical shape on the other end of the body unit and is hollow; a rotary unit (108) which is placed between the body unit and the cylindrical unit to be rotatable in a circumferential direction; and a fire hydrant spindle front end unit (120) whose one end is engaged with the rotary unit and which is placed in the cylindrical unit (107). When the rotary unit (108) is rotated, an end of the fire hydrant spindle front end unit protrudes from the outside of the cylindrical unit. The present invention is able to, by the above configuration, realize equipment necessary in a scene of fire by integrating the equipment into single smart equipment, to display the effects to allow firefighters to conveniently carry around and operate the equipment in an urgent scene of fire, to add the GPS and communication functions, to allow the mutual communication in an emergency, and to rapidly take proper actions on the scene.
Patent KR-102251197-B1 (KR)
Title: Caterpillar drying apparatus, method thereof and caterpillar breeding facilities
Inventor: NAM WON SIK
IPC: A23N17/00
Filed: 2020-07-14
Granted: 2021-05-14
Abstract: The present invention relates to a larva drying apparatus, a larva drying method and a larva breeding equipment. The larva drying apparatus comprises: a drying chamber forming a space for drying larvae; one or more transfer units that can support a tray capable of accommodating the larvae on the upper part, and are installed to cross the inside of the drying chamber; a lamp unit that is installed to be spaced apart from the transfer unit so as to heat the larvae, and can emit radiation having different wavelength ranges; and a control unit capable of controlling the operation of the transfer unit and the lamp unit. It is possible to shorten the drying time of the larvae and improve the drying efficiency of the larvae.
Patent KR-102177322-B1 (KR)
Title: Plasma magnetic filter for smoke removal and smoke removal device using the same
Inventor: JUNG SUK KEUN
IPC: A61L9/16
Filed: 2020-07-17
Granted: 2020-11-10
Abstract: Disclosed are a plasma magnetic filter for removing smoke capable of generating uniform plasma in a plasma discharge space by uniformly dispersing dense force of plasma from a discharge bar at a center using a circular ring magnet in the circular ring magnet, and a smoke removal device using the same. The plasma magnetic filter for removing smoke comprises: a housing for receiving a circular ring magnet and a discharge bar to form a plasma discharge space there-between; a circular ring magnet disposed at a circular ring magnet mounting groove in the housing; and a circular ring mounting groove including a discharge bar inserted and extending in a discharge bar insertion groove of the housing to be located at a center of the circular ring magnet so that a circular ring magnet is mounted at a center of the housing; a lower opening part vertically formed through a center of the circular ring magnet mounting groove; a connecting rod extending from a side wall of the lower opening part and formed therein with a discharge bar insertion groove for inserting the discharge bar at a center thereof; and a smoke exhaust passage to pass smoke between the connection rods. According to the present invention, a plasma film may be formed by uniformly dispersing dense force of plasma from a discharge bar at a center using a circular ring magnet in the circular ring magnet. Incompletely burnt Smoke may be removed using high heat of plasma, and stink and dust including fine dust may be removed by burning and breaking odor molecules.
Patent KR-102232930-B1 (KR)
Title: Sterilizing apparatus for gate capable of face recognition
Inventor: NA YOUNG SUN
IPC: A61B5/00
Filed: 2020-07-21
Granted: 2021-03-26
Abstract: An entrance gate-type sterilization device capable of facial recognition includes: a pair of vertical bodies spaced apart from each other at a predetermined interval so that a user can enter and exit; a horizontal body disposed to connect the upper ends of the vertical bodies; a base body disposed at the lower ends of the vertical bodies so that the user can stand up; a face photographing unit disposed in front of the vertical bodies to photograph the face of the approaching user; and a body temperature measuring unit disposed in front of the vertical bodies and measuring the body temperature of the user whose face is recognized by being photographed by the face photographing unit.
Patent KR-102208394-B1 (KR)
Inventor: SHIM MYUNG SUP
IPC: B09C1/08
Filed: 2020-07-22
Granted: 2021-01-27
Abstract: Embodiments of the present invention provide an excavator bucket and a purifying system for complex contaminated soil using the same, which are useful to, when excavating soil, sand, or the like, apply an agent to the soil and sand, and to purify contaminated soil with a high ratio of small soil particles such as clay and silt. According to the embodiments of the present invention, the excavator bucket for purifying complex contaminated soil comprises: a bucket mainframe which has an open front surface, an inner space, and a discharge space formed on a rear surface; an agitation apparatus installed in the discharge space of the bucket mainframe to agitate the materials inputted into the inner space to be discharged; a driving apparatus installed in a divided space, which is divided by the inner space of the bucket mainframe and a division plate, for driving the agitation apparatus; and an agent spray apparatus buried and installed in the division plate of the bucket mainframe to evenly spray the agent toward the inner space of the bucket mainframe.
Patent KR-102167786-B1 (KR)
Inventor: KWON IN GOO
IPC: A61K8/9789
Filed: 2020-07-28
Granted: 2020-10-19
Abstract: A manufacturing method of a fermented product of Centella asiatica, Alcea rosea, blue lotus, and Swertia japonica using Lactobacillus according to the present invention comprises the steps of: mixing and extracting Centella asiatica, Alcea rosea, blue lotus, and Swertia japonica to obtain a mixed extract; inoculating the mixed extract with Lactobacillus curvatus J2K-01 (accession number: KCTC 13494BP), followed by fermenting; and removing a precipitate and lactic acid bacteria to manufacture the fermented product. The present invention provides a cosmetic composition effective in skin soothing, inflammation amelioration, wound healing and regeneration.
Patent KR-102398651-B1 (KR)
Title: 다이캐스팅 금형 냉각 장치
IPC: F28F21/08
Filed: 2020-07-31
Granted: 2022-05-17
Abstract: 본 발명의 일 시시예에 따르면, 다이캐스팅 금형의 일면에 형성된 냉각홀; 상기 냉각홀의 내면에 구리(Cu)를 도금하여 형성되며, 수용공간을 구획하는 내면을 가지는 구리 도금층; 상기 수용공간 내에 배치되며, 냉각홀의 외부로부터 유입되는 냉각수를 상기 구리 도금층으로 토출시키기 위한 유입 채널과, 상기 유입 채널로부터 토출된 냉각수를 상기 구리 도금층에 접촉시키면서 상기 냉각홀의 외부로 배출시키기 위해 상기 구리 도금층과 함께 냉각수의 배출 유로를 구획하며 상기 유입 채널과 연결된 유출 채널을 가지는 노즐부재;를 포함하는, 다이캐스팅 금형 냉각 장치가 제공된다.
Patent KR-102193910-B1 (KR)
Inventor: JO CHANG HEE
IPC: H05K7/14
Filed: 2020-08-05
Granted: 2020-12-23
Abstract: According to the present invention, provided is a multifunctional road environment recognition system that includes: a sensor unit (100) for generating road environment information (a); a control unit (200) for classifying the road environment information (a); and a server (300) for storing the road environment information (a) classified by the control unit (200). The road environment information (a) includes: vehicle information (a1); and non-vehicle information (a2). Non-vehicle information (a2) may include: pedestrian information (a21); bicycle information (a22); other means of transportation information (a23); and unauthorized crossing information (a24). According to the present invention, it is possible to derive and store information on all dynamic factors affecting road information.
Patent KR-102255651-B1 (KR)
Title: Led ficture frame
Inventor: JUNG JAE GYEONG
IPC: A47G1/06
Filed: 2020-08-13
Granted: 2021-06-03
Abstract: Disclosed is a light emitting diode (LED) picture frame that can stably fix a cover to a frame body and improve aesthetics in a mounted state. According to the present invention, the LED picture frame comprises: a frame body in which an opening portion is formed in the front, an insertion portion is formed along the periphery of the rear side, and a lighting portion irradiating light in the front direction is installed inside; a cover part covering the opening portion and extending in the rear direction while in contact with a side surface of the frame body and having an edge inserted into the insertion portion; and a fixing member inserted into the insertion portion to fix the edge of the cover part inserted into the insertion portion.
Patent KR-102235259-B1 (KR)
Title: Noise barrier function for collecting dust scattering
Inventor: PARK JUN HEE
IPC: B01D39/16
Filed: 2020-08-24
Granted: 2021-04-02
Abstract: The present invention relates to a sound barrier where an inlet allowing air current to be introduced therethrough is disposed in a direction facing a vehicle driving on a road, thereby allowing vehicle wind generated in a driving direction of the vehicle to be introduced into a scattering dust collection device without an additional power source so as to remove power consumption to have economic efficiency, be simply constructed, and improve air filtering efficiency by collecting the scattering dust introduced into the scattering dust collection device by a filter of a porous fiber material according to weight of each particle of the scattering dust or storing the particles falling by self-weight without collected by the porous filter in a lower end part of the scattering dust collection device.
Patent KR-102206891-B1 (KR)
Inventor: CHOI JAE KWAN
IPC: B60K35/00
Filed: 2020-09-01
Granted: 2021-01-27
Abstract: The present invention relates to electric vehicle diagnosis system training equipment and, more specifically, to electric vehicle diagnosis system training equipment, which allows a trainee to drive and directly operate a control unit to drive an electric motor of an electric vehicle for speed adjustment control, shift control, brake control, and control by electrical disconnection or connection of each device, to recognize the structure and configuration of an electric vehicle operated by an electric motor by checking a changing state of each component device of an electric vehicle through a display unit and an AVN display, to increase maintenance capability of an electric vehicle, to check and experience a phenomenon that may happen when an electric vehicle is actually driven through driving and operation of each device of the control unit, and to check and study a changing state of an electric vehicle in the same environment as an environment where an electric vehicle is actually driven. The electric vehicle diagnosis system training equipment comprises a main body, a high-voltage battery, a driving unit, a battery charging apparatus, an operation and control unit, and a display unit.
Patent KR-102435506-B1 (KR)
Title: 커머스 컨텐츠에 대한 리뷰 컨텐츠 제공 방법, 컴퓨터 프로그램 및 방송 시스템
IPC: H04N21/4722
Filed: 2020-09-04
Granted: 2022-08-24
Abstract: 본 발명의 일 실시예에 따른 커머스 컨텐츠에 대한 리뷰 데이터 제공 방법은, 미디어 제공 서버가 셋탑 박스로부터 수신한 사용자 요청 신호에 대응하는 제1 방송매장 식별정보에 기초하여 제1 방송판매 정보를 포함하는 제1 방송용 출력 데이터를 생성하는 단계; 상기 미디어 제공 서버가 데이터 서버로부터 상기 제1 방송매장 식별정보에 대응하는 리뷰 소스 데이터를 수신하여 리뷰 데이터를 생성하는 단계; 상기 미디어 제공 서버가 미리 설정된 출력 알고리즘에 따라 상기 리뷰 데이터를 기초로 리뷰관련 UI 데이터를 생성하는 단계; 및 상기 미디어 제공 서버가 상기 제1 방송용 출력 데이터에 상기 리뷰관련 UI 데이터를 합성하여 제2 방송용 출력 데이터를 생성하고, 상기 셋탑 박스로 전송하는 단계를 포함한다.
Patent KR-102258771-B1 (KR)
Title: System and service method for intermediating animal pharmacies
Inventor: YUN SEONG HAN
IPC: G16H20/10
Filed: 2020-09-08
Granted: 2021-06-01
Abstract: The present invention relates to an animal pharmacy intermediation system and a service method thereof. The animal pharmacy intermediation system, which connects a consumer having a pet animal with an animal pharmacy, includes: a consumer terminal enabling an animal medicine consumer having a pet animal to order an animal medicine to an adjacent animal pharmacy; a pharmacy terminal storing animal medicines information possessed by the animal pharmacy possessing pet animal medicines; and an animal pharmacy intermediation server matching a position of the consumer terminal, purchased medicine information, and the pharmacy terminal to provide an animal pharmacy intermediation service. In accordance with the present invention, the animal pharmacy intermediation system has an advantage of sharing animal medicine information through a platform connecting a pet animal family and an animal pharmacy, thereby enabling a consumer to have no cost burden regarding a simple treatment and prevention by easily purchase animal medicines, and enabling an animal pharmacy to actively sell medicines without having the burden of stocking medicines by continuously acquiring information about animal medicines desired by nearby consumers.
Patent KR-102282356-B1 (KR)
Title: SYSTEM FOR SPORT MORNITORING BASED ON Internet-of-Things
Inventor: KWON JUNG HYUK
IPC: G06Q50/10
Filed: 2020-09-15
Granted: 2021-07-27
Abstract: The present invention provides an IoT-based sports monitoring system. In addition, since the present invention provides the IoT-based sports monitoring system, it can be seen that a fourth industrial technology is grafted to a monitoring technology of sports games.
Patent KR-102277567-B1 (KR)
Title: Digital customer registration system with fever check function
Inventor: CHOI JAE SEOB
IPC: G07C9/37
Filed: 2020-09-16
Granted: 2021-07-14
Abstract: The present invention relates to a digital customer registration system with a fever check function to efficiently generate a digital customer registry. According to one embodiment of the present invention, the digital customer registration system comprises: a digital customer registration device installed in a facility to check whether a person entering the facility has a fever and automatically check the access status of the person entering the facility; a cloud server generating an identification code of the facility in which the digital customer registration device is installed and an individual identification code of a visitor and storing whether the visitor of the facility has fever and the access status transmitted from the digital customer registration device to generate a digital customer registry; and a user terminal receiving an electronic pass for access to the facility from the cloud server when user registration for access to the facility is performed on the basis of identification of the identification code of the facility.
Patent KR-102483940-B1 (KR)
IPC: H01R13/24
Filed: 2020-09-25
Granted: 2023-01-02
Abstract: 플러그 커넥터(4)와 리셉터클 커넥터(5)를 서로 감합시킴으로써 각 플러그 컨택트(30)가 각 리셉터클 컨택트(6)와 전기적으로 접촉한다. 각 리셉터클 컨택트(6)는, 리셉터클측 기판(3)에 가까워지는 방향으로 각 플러그 컨택트(30)를 삽입 가능한 리셉터클 컨택트 가이드홀(23)을 갖는 리셉터클 컨택트 가이드부(20)와, 리셉터클 컨택트 가이드홀(23)에 각 플러그 컨택트(30)가 삽입됨에 따라 탄성 변형하는 2개의 스프링편(22)을 포함한다. 2개의 스프링편(22)은, 리셉터클 컨택트 가이드홀(23)에 삽입된 각 플러그 컨택트(30)에 대해서 스프링 복원력에 의해 접촉한다.
Patent KR-102445360-B1 (KR)
IPC: C02F1/00
Filed: 2020-09-25
Granted: 2022-09-21
Abstract: 본 발명의 일 실시 예에 따른 연수기 제어 장치는 유로에 유입되는 물에 녹아있는 총용존 고형물의 농도를 검출하는 농도 검출부, 상기 검출된 총용존 고형물의 농도가 목표 농도에 도달하도록 전극에 인가되는 전압을 제어하는 전압 제어부, 상기 유로에 유입되는 물의 유량을 검출하는 유량 검출부 및 상기 검출된 유량에 기초하여 상기 검출된 총용존 고형물의 농도가 상기 목표 농도에 도달하도록 상기 물의 연수 시간을 제어하는 연수 시간 제어부를 포함할 수 있다.
Patent KR-102464475-B1 (KR)
IPC: G06Q30/02
Filed: 2020-09-25
Granted: 2022-11-04
Abstract: 본 발명은 컨텐츠 추천 방법 및 시스템에 관한 것이다. 
본 발명의 일례에 따른 컨텐츠 추천 방법 및 시스템은 데이터 베이스에 저장되는 복수의 컨텐츠 중에서 상기 복수의 컨텐츠 각각에 대한 사용자의 반응을 기초로 하는 기준값에 근거하여 일부를 후보 컨텐츠로 추출하고, 상기 후보 컨텐츠 각각에 대한 상기 기준값을 입력값으로 하는 변환 함수에 대한 결과값인 변환 함수값을 생성하고, 상기 변환 함수값에 기반하여 상기 후보 컨텐츠 각각에 대한 노출 확률을 생성하고, 상기 후보 컨텐츠 각각에 대한 상기 노출 확률이 표시되는 확률 테이블을 생성한다.
Patent KR-102253694-B1 (KR)
Title: Smart indicator
Inventor: JUNG PILL SUNG
IPC: G01D7/00
Filed: 2020-09-25
Granted: 2021-05-17
Abstract: The present invention relates to a smart indicator. The smart indicator includes: at least one server bidirectionally communicating with at least one device placed in a specific space, and connected with external equipment through a network to receive an input signal from the external equipment to generate a control signal for the device; a control part electrically connected with each load cell sensing a load applied to the device to receive data of the load sensed by each load cell, and electrically connected with the server to receive the control signal from the server to control the operation of the device; a signal conversion part converting an analogue signal of the load data sensed by each load cell into a digital signal; a storage part storing the digital signal converted by the signal conversion part; and a user interface part displaying the device on an initial screen, and receiving touch input to the displayed device to extract the digital signal of the load data coming into effect on the device from the storage part to display the same through a touch screen. Therefore, the present invention is capable of enabling a manager to quickly change a load cell.
Patent KR-102207686-B1 (KR)
Inventor: KIM EUN SIK
IPC: C03B27/012
Filed: 2020-10-15
Granted: 2021-01-26
Abstract: The present invention relates to a tempering furnace structure used in a heating process during a preheating process, a heating process, and a cooling process in which glass is reinforced. More specifically, the present invention relates to a tempering furnace structure for manufacturing tempered glass in which a cassette loaded with glass is continuously moved upward and downward inside a main body in which a heat treatment solution is stored.
Patent KR-102319366-B1 (KR)
IPC: H01L51/50
Filed: 2020-11-03
Granted: 2021-10-29
Abstract: 본 발명은 탠덤형 발광 소자에서, 고정세한 디스플레이에 사용되더라도 크로스토크의 발생이 억제될 수 있는 발광 소자를 제공한다. 
탠덤 소자에서 중간층의 양극 측에 접하는 층에 2,9-비스(나프탈렌-2-일)-4,7-다이페닐-1,10-페난트롤린(약칭: NBphen)이 포함되는 발광 소자를 제공한다.
Patent KR-102448250-B1 (KR)
IPC: G01N1/28
Filed: 2020-11-03
Granted: 2022-09-27
Abstract: 본 발명은 생물 조직을 신속하게 마쇄할 수 있도록 하는 생물 조직 마쇄 기구에 관한 것으로, 마쇄봉에 차단부가 형성되므로, 원심력에 의하여 버퍼와 함께 공간부로 이동된 생물 조직의 상방 이동을 차단부가 차단시키게 되어, 생물 조직은 공간부에 오랫동안 머무르면서 신속하게 마쇄되는 효과가 있다.
Patent KR-102352311-B1 (KR)
Title: Apparatus for Cleaning Photovoltaic Panel Using a Plate-shaped Wire
Inventor: LIM SANG CHAE
IPC: B08B1/00
Filed: 2020-11-04
Granted: 2022-01-17
Abstract: Disclosed is an apparatus for cleaning a photovoltaic panel using a plate-shaped wire. According to one aspect of the present embodiment, provided is an apparatus for cleaning a photovoltaic panel, which can completely clean the entire area of a photovoltaic panel while minimizing the influence of an external environment. The apparatus for cleaning a photovoltaic panel comprises: a moving unit which includes a first wheel moving the photovoltaic panel in the longitudinal direction of the photovoltaic panel, a first motor providing power to the first wheel; a wire fixing unit fixing one end of a wire, and an elevating/lowering unit coupled to a cleaning unit to elevate and lower the cleaning unit in a vertical direction of the photovoltaic panel; and the cleaning unit.
Patent KR-102203982-B1 (KR)
Inventor: YOON JONG YEOL
IPC: A61H1/00
Filed: 2020-11-06
Granted: 2021-01-19
Abstract: The present invention relates to an electric chiropractic exercise device with Kegel exercise and foot heating functions to strengthen pelvic floor muscle and, more specifically, to an electric chiropractic exercise device with Kegel exercise and foot heating functions to strengthen pelvic floor muscle, comprising a base member (10), an ankle exercise means (20), a lamp member (30), an operation unit (40); an upper case (50), a pelvic support member (60), and a pelvic floor muscle exercise means (70). The electric chiropractic exercise device prevents urinary incontinence, improves the health of a prostate region, and also increases blood circulation in the anus and local regions by irradiation with warm light.
Patent KR-102306114-B1 (KR)
Title: Machine for knitting work glove
Inventor: JI YOUNG TAE
IPC: D04B1/28
Filed: 2020-11-12
Granted: 2021-09-28
Abstract: The present invention provides a work glove knitting machine including a fluff forming device for continuously generating fluff on a filament composite yarn. The fluff forming device is applied to be connected to the work glove knitting machine and forms fluff on the filament composite yarn supplied to the work glove knitting machine. The fluff forming device comprises: i) at least one cylindrical sandpaper opened in the direction of movement of the filament composite yarn and applied to rub the filament composite yarn while moving linearly; ii) at least one cylindrical tube positioned around the outside of the cylindrical sandpaper to enclose the cylindrical sandpaper; and iii) a holder for embedding a plurality of cylindrical tubes and a support connected to the lower part of the holder to tilt the cylindrical tube and the holder. The at least one cylindrical sandpaper includes a plurality of cylindrical sandpapers, the at least one cylindrical tube includes a plurality of cylindrical tubes, and the cylindrical sandpapers are connected adjacently in series. Accordingly, the fluff can be efficiently produced on the filament composite yarn.