baber/WOPTO huggingface dataset:
Patent WO-2020153536-A1 (WO)
Title: Procédé de pliage de récipient
Inventor: SUH BYONG YOON
IPC: B65D90/00
Filed: 2019-05-14
Abstract: La présente invention concerne un procédé de pliage d'un récipient comprenant une plaque inférieure, une plaque supérieure et des panneaux latéraux disposés entre la plaque inférieure et la plaque supérieure, les panneaux latéraux comprenant un panneau avant, un panneau arrière, un premier panneau latéral et un second panneau latéral, et le procédé comprenant : une première étape de couplage de fourches d'un chariot élévateur à fourche à un élément de couplage disposé sur la surface supérieure de la plaque supérieure ; une deuxième étape de séparation complète de la plaque supérieure vers les côtés supérieurs des panneaux latéraux par le chariot élévateur à fourche ; une troisième étape de pliage du premier panneau latéral par rotation d'une première barre de torsion disposée au niveau de l'extrémité inférieure du premier panneau latéral ; une quatrième étape de pliage du second panneau latéral sur le premier panneau latéral par rotation d'une deuxième barre de torsion disposée au niveau de l'extrémité inférieure du second panneau latéral ; une cinquième étape de rotation et de pliage du panneau avant et du panneau arrière par rotation de troisième et quatrième barres de torsion disposées au niveau des extrémités inférieures respectives du panneau avant et du panneau arrière ; et la sixième étape de couplage de la plaque supérieure par le chariot élévateur à fourche.
Patent WO-2019235865-A1 (WO)
Title: One-touch reinforcing bar coupler
Inventor: YANG HYUN-MIN
IPC: E04C5/16
Filed: 2019-06-07
Abstract: A one-touch reinforcing bar coupler according to the present invention comprises: a coupler body having a hollow part which is formed therethrough and includes a first and a second taper part gradually and expansively opened from opposite insertion port sides through which a reinforcing bar is inserted, and including a component feeding port formed on the outer circumferential surface thereof; a first fastening unit inserted into the first taper part of the hollow part through the component feeding port of the coupler body; a second fastening unit inserted into the second taper part of the hollow part through the component feeding port of the coupler body; a support member installed inside and coupled to the coupler body to support an end of a reinforcing bar; a support member fixing part for fixing the support member to the coupler body; and springs, each of which is supported by the support member to elastically bias the first and the second fastening unit toward the first and the second taper part sides, respectively.
Patent WO-2021054502-A1 (WO)
Title: Floor identification apparatus and method
Inventor: PARK YONG WAN
IPC: G01C21/10
Filed: 2019-09-24
Abstract: A floor identification apparatus and method are disclosed. A floor identification apparatus according to one disclosed embodiment comprises: a fingerprint storage unit for storing a magnetic fingerprint database for each floor of a building of which a floor is to be identified; a reception unit for receiving acceleration data, gyroscope data, and magnetic data from a user terminal; a direction determination unit for determining the direction of the user terminal on the basis of the acceleration data and the gyroscope data; a transformation unit for transforming the magnetic data by using the direction of the user terminal as a reference coordinate system; a distance calculation unit for calculating the Euclidean distance between the transformed magnetic data and the magnetic fingerprints; and a floor identification unit for identifying, as the floor on which a user is located, the floor from which a magnetic fingerprint allowing a minimum Euclidean distance is collected.
Patent WO-2020071885-A1 (WO)
Title: Method and camera module for acquiring depth information
Inventor: KIM CHUL
IPC: H04N13/271
Filed: 2019-10-07
Abstract: Disclosed according to an embodiment is a method for controlling emitted light in a camera module which can acquire depth information. More particularly, disclosed is a camera module for controlling delay time of light emitted from each of light sources to determine the direction of light emitted from the light sources. A camera module according to an embodiment may control delay time of light emitted from each of light sources so that the camera module can be operated with higher performance even from a long distance.
Patent WO-2020166792-A1 (WO)
Title: 리튬 이차 전지 음극활물질 첨가제용 탄소질 재료
Inventor: LEE JANG HO
IPC: H01M10/0525
Filed: 2019-11-13
Abstract: 리튬 이차 전지 음극활물질 첨가제용 탄소질 재료에 관한 것으로, D  v 50이 6㎛ 이하이고, D  n 50이 1㎛ 이하인, 리튬 이차 전지 음극활물질 첨가제용 탄소질 재료를 제공할 수 있다. 본 발명의 일 양태의 리튬 이차 전지 음극활물질 첨가제용 탄소질 재료에 의하면, 이를 채용한 음극에 빠른 속도로 리튬 이온을 흡장 및 탈리 시킬 수 있기 때문에 이를 포함하는 리튬 이차 전지의 출력 특성이 향상되며, 충방전의 반복에 의하여도 용량의 저하가 적기 때문에 수명 특성이 우수하다.
Patent WO-2020149544-A1 (WO)
Inventor: SHIN SEUNG HAN
IPC: A61B34/10
Filed: 2019-12-23
Abstract: 본 발명은, 골절 부위가 포함된 골절 의료 영상에서 복수의 골절편의 위치 및 형태를 인식하는 단계와, 복수의 골절편의 형태를 분석하여 복수의 골절편의 정합성을 판단하는 단계와, 정합성을 기초로 복수의 골절편의 위치를 이동시켜 골절 부위를 영상 정복하는 단계와, 영상 정복된 골절 부위를 고정하기 위한 가상 내고정물을 생성하는 단계를 포함하는 영상 정복 기반 가상 내고정물 생성 방법 및 장치를 제공한다.
Patent WO-2020141932-A1 (WO)
Inventor: JANG HYEONGMOON
IPC: H04N19/513
Filed: 2020-01-03
Abstract: An image decoding method performed by a decoding apparatus according to the present document comprises the steps of: determining that a merge with motion vector difference (MMVD) mode has been applied to a current block that is a current picture referencing (CPR) coding block referring to a current picture; deriving a base motion information candidate for the current block on the basis of candidate blocks neighboring the current block ; generating prediction samples for the current block on the basis of the base motion information candidate; and generating reconstruction samples for the current block on the basis of the prediction samples, wherein the base motion information candidate is derived depending on whether the neighboring candidate blocks are CPR coding blocks.
Patent WO-2020180044-A1 (WO)
Title: Lmcs-based image coding method and device therefor
Inventor: ZHAO JIE
IPC: H04N19/70
Filed: 2020-02-26
Abstract: According to embodiment(s) disclosed in the present document, a reshaper model used in coding including LMCS can modify a value of a delta codeword on the basis of luma bit depth and perform reshaping on the basis of determination on whether or not a reshaper is linear, and thus, signaling overhead at a higher bit depth and overhead for signaling values of delta codewords for all bins can be reduced.
Patent WO-2021246548-A1 (WO)
Inventor: YU SEONIL
IPC: G06F3/0346
Filed: 2020-06-04
Abstract: The present invention relates to an image display device and a method for operating same. An image display device according to an embodiment of the present invention may comprise: a display for displaying a pointer corresponding to a remote control device; an external device interface unit including at least one communication module and performing short range communication; and a control unit, wherein the control unit: receives, from the remote control device, an input signal including data related to the movement of the remote control device through the external device interface unit; monitors the connection state with the remote control device on the basis of the received input signal; when the connection state is good, calculates coordinate values of the pointer from the movement-related data included in the input signal; and when the connection state is bad, processes the movement-related data included in the input signal and then calculates coordinate values of the pointer from the processed data, and displays the pointer according to the calculated coordinate values of the pointer through the display. Various other embodiments are also possible.
Patent WO-2021002608-A1 (WO)
Inventor: OH WHEESUNG
IPC: F02B53/04
Filed: 2020-06-15
Abstract: The present invention relates to a rotary engine which includes a turbulence formation unit for increasing the turbulence intensity of fuel supplied to the engine. The turbulence formation unit may be disposed inside an intake device into which fuel is injected.
Patent WO-2021025333-A1 (WO)
Inventor: KIM MINSOO
IPC: H05K3/28
Filed: 2020-07-21
Abstract: According to an embodiment of the present invention, an electronic apparatus may comprise: a housing; a first structure which is disposed inside the housing and includes a first surface facing one surface of the housing; a second structure which includes a second surface facing the one surface of the housing; and a flexible printed circuit board (FPCB) structure which is disposed inside the housing and extends from the first surface to the second surface. The FPCB structure includes: an FPCB which at least partially overlaps the second surface and includes at least one coil; a thermally conductive first layer which includes a first portion at least partially overlapping the FPCB and disposed between the FPCB and the second surface, and a second portion extending from the first portion and at least partially overlapping the first surface; a second layer which has a higher elasticity and tensile strength than the first layer and includes a third portion at least partially overlapping the second portion, and a fourth portion extending from the third portion and at least partially overlapping the first portion; and an adhesive third layer which is disposed between the third portion and the first surface. Various other embodiments may also be possible.
Patent WO-2022034936-A1 (WO)
Inventor: PARK JUNGKEUN
IPC: H01F38/14
Filed: 2020-08-10
Abstract: 무선 전력 송신 장치는 복수의 송신 코일부를 포함한다. 복수의 송신 코일부 각각은 입체 구조의 다차원 평면을 갖는 복수의 안테나를 포함한다. 복수의 안테나는 무선 전력 수신 장치로 송신 전력을 송신하기 위해 상기 다차원 평면 중 적어도 하나 이상의 평면을 관통하는 자기장을 생성한다. 실시예는 무선 전력 수신 장치의 배치 위치나 배치 방향에 관계 없이 전력 전송 효율을 향상시킬 수 있으며, 무선 전력 수신 장치의 자유도를 확대할 수 있다.
Patent WO-2021085918-A1 (WO)
Title: Electronic display board system with modified ethernet network for a plurality of display units
Inventor: LEE JEONG JAE
IPC: G09F9/33
Filed: 2020-10-20
Abstract: The electronic display board system with a modified Ethernet network according to the present invention comprises a main controller 1 provided with a main Ethernet switch 10 comprising a first main port 101 and a second main port 102; and first to Nth display units D 1 , D 2 ,..., D N  (N is an integer of 2 or more) sequentially connected with each other by an Ethernet network to receive image data transmitted from the main controller 1 to output the data on a display module 21 or transmit the data to a neighboring display unit or the main controller 1, wherein the first to Nth display units D 1 , D 2 ,..., D N  each comprise a first sub-port 201 and a second sub-port 202 to receive a first image data transmitted from the second main port 102 to transmit the data in a forward direction and to receive a second image data transmitted from the first main port 101 to transmit the data in a reverse direction.
Patent WO-2022102807-A1 (WO)
Inventor: KIM SU HYEON
IPC: C22C1/02
Filed: 2020-11-11
Abstract: 본 발명은, 높은 강도와 열안정성을 가지는 Al-Mg-Si계 알루미늄 합금 및 그 제조방법을 제공한다. 본 발명의 일 실시예에 의하면, 상기 Al-Mg-Si계 알루미늄 합금은, 중량%로, 마그네슘(Mg): 0.6% ~0.8%, 실리콘(Si): 0.4% ~ 1.2 %, 구리(Cu): 0.1% ~ 0.26%, 철(Fe): 0% 초과 ~ 0.15 %, 망간(Mn): 0.2% ~ 0.35 %, 크롬(Cr): 0.1% ~ 0.25%, 아연(Zn): 0% 초과 ~ 0.2%, 티타늄(Ti): 0% 초과 ~ 0.1 %, 바나듐(V): 0% 초과 ~ 0.25%, 지르코늄(Zr): 0% 초과 ~ 0.1%, 및 잔부는 알루미늄(Al) 및 기타 불가피한 불순물을 포함한다.
Patent WO-2022092411-A1 (WO)
Inventor: LEE SANG-YOON
IPC: A61K51/12
Filed: 2020-11-30
Abstract: 본 발명을 통해 도출된 대식세포 추적 방사성 리포솜 나노입자는 체내 염증 부위에 분포하는 활성화된 대식세포(소교세포)를 PET으로 정량화하여 뇌염증 또는 종양 진단에 매우 유용하게 활용될 것으로 여겨진다. 또한 종말단계 방사성동위원소 표지를 이용한 방법은 작업자의 피폭을 최소화하고 대량 생산이 가능하기 때문에 의료 산업적으로 실용화가 용이한 장점을 지니고 있다.
Patent WO-2021210749-A1 (WO)
Inventor: JUN JUNG HO
IPC: H01L31/048
Filed: 2020-12-08
Abstract: La présente invention concerne une composition de film d'encapsulation comprenant un copolymère d'éthylène/alpha-oléfine ayant une résistivité volumique élevée et une transmittance élevée de la lumière et un film d'encapsulation utilisant la composition.
Patent WO-2021137650-A1 (WO)
Title: Method and network entity for handling kpi pm data
Inventor: CHATURVEDI ABHISHEK
IPC: H04L12/26
Filed: 2020-12-31
Abstract: The embodiments herein provide a method for reducing KPI data. The proposed technique is used to reduce insignificant KPI data generated by NEs (100a) like Radio Access Network (RAN) or EMS (100b)/NMS (100c). Further, the method includes determining a threshold value for each KPI data to determine significance of the KPI data and uses the threshold value to reduce the KPI data in a file. Further, the method includes utilizing a network bandwidth (i.e. control plane traffic load) and a storage space in the EMS (100a)/OSS (200) efficiently and helps operators of the EMS (100b)/OSS (200) to identify a network KPI deterioration in near real time
Patent WO-2021157952-A1 (WO)
Title: Concrete-filled composite member
Inventor: PARK HONG GUN
IPC: E04C3/293
Filed: 2021-01-28
Abstract: The present invention relates to a concrete-filled composite member in which concrete is poured into the inner and outer sides of a steel plate part so as to form core concrete and cover concrete, and, more specifically, to a concrete-filled composite member, which has excellent structural performance while being lightweight, is easily joined with a transverse member such as an outrigger when the composite member is applied to a column member, and eliminates the need for a separate fire-proof covering, and thus has excellent constructability and economic feasibility. The concrete-filled composite member of the present invention comprises: a steel plate part for encompassing the outer side of a concrete member; core concrete poured into the steel plate part; and cover concrete provided on the outer side of the steel plate part.
Patent WO-2021201444-A1 (WO)
Inventor: YANG CHEON SEOK
IPC: C08L23/16
Filed: 2021-03-02
Abstract: The thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a thermoplastic resin; about 4 to about 10 parts by weight of melamine polyphosphate; about 2 to about 7 parts by weight of melamine phosphate; and about 10 to about 20 parts by weight of piperazine pyrophosphate, wherein a mixture of the melamine polyphosphate, melamine phosphate and piperazine pyrophosphate is characterized by having, as measured by a particle size analysis method, an average particle diameter D50 of about 6 μm or less and a particle diameter D90 of 90% of cumulative content is about 11 μm or less. The thermoplastic resin composition has excellent flame retardancy, impact resistance, external appearance characteristics, processability, and the like.
Patent WO-2022177065-A1 (WO)
Inventor: LEE HYUN JAE
IPC: B01D53/12
Filed: 2021-04-12
Abstract: The present invention relates to a fluidized bed adsorption apparatus for adsorbing harmful components including odor or volatile organic compounds. The present invention provides a fluidized bed adsorption apparatus for adsorbing pollution components in waste gas by means of an adsorbent, comprising: a fluidized bed chamber which has a waste gas inflow part, a waste gas discharge part, an adsorbent inflow part, and an adsorbent discharge part, and in which the adsorbent is to flow; and a plurality of plates which are arranged in multiple stages in the space between the adsorbent inflow part and the adsorbent discharge part inside the chamber in order to form multi-stage fluidized beds of the adsorbent, wherein the multi-stage fluidized beds include at least one counter-current flow fluidized bed and at least one cocurrent flow fluidized bed.
Patent WO-2022010113-A1 (WO)
Title: Nanowire led, display module, and method for manufacturing same
Inventor: KIM MYUNGHEE
IPC: H01L33/00
Filed: 2021-06-09
Abstract: Disclosed are a nanowire LED, a display module, and a method for manufacturing same. The disclosed method for manufacturing a display module comprises the steps of: forming a template layer comprising a magnetic layer on a buffer layer laminated on a silicon substrate; growing multiple nanowire LEDs on the template layer; separating the multiple nanowire LEDs in a state of including the magnetic layer from the template layer by ultrasonic waves; forming multiple unit sells molded into a state in which the multiple nanowire LEDs are aligned to have a predetermined directivity; transferring multiple unit cells onto a unit substrate to form multiple unit pixels; arranging the multiple unit pixels on a TFT substrate through a fluidic self-assembly method; and bonding and connecting the multiple unit pixels to an electrode of the TFT substrate.
Patent WO-2022145626-A1 (WO)
Inventor: HWA JI-MIN
IPC: G06T7/11
Filed: 2021-09-10
Abstract: 본 발명은, 공항의 교통관제 지원정보 생성장치와 관련된다. 본 발명은 실시예로, 항공기를 포함한 공항 내부의 주요 객체에 대한 영상 정보를 취득하는 영상취득부, 상기 영상취득부로부터 취득된 영상 정보를 전송받아 공항의 주요 객체를 식별하는 한편 이동하는 항공기의 이동경로와 미리 설정된 해당 항공기의 이동경로를 비교하여 항공기의 예상 경로를 분석하는 영상분석부 및 상기 영상분석부로부터 전송되는 복수의 항공기의 예상 경로로부터 항공기 간의 충돌가능성과 위험 지역의 이동가능성을 포함한 위험 여부를 분석하는 상황분석부를 포함하는 공항의 교통관제 지원정보 생성장치를 제시한다.
Patent WO-2022065996-A1 (WO)
Inventor: KIM HEE-CHAN
IPC: H01M50/20
Filed: 2021-09-28
Abstract: The present invention provides an easily installable battery rack, a power storage device, and a power generation system. In order to accomplish the above-mentioned purpose, a battery rack according to the present invention comprises multiple battery modules and a rack case configured to contain the multiple battery modules and configured such that another rack case can be mounted on the upper portion thereof. The rack case comprises a holder provided at the lower end of the rack case, and the holder comprises a plate-shaped body part. The body part comprises a holding groove formed to be indented from an edge of the body part, and the rack case comprises at least one bolt provided on the upper end of the rack case and configured to be inserted into a holding groove provided on the lower end of another rack case.
Patent WO-2022071741-A1 (WO)
Inventor: HWANG DAESUNG
IPC: H04W4/40
Filed: 2021-09-29
Abstract: Provided are a method for a first device to perform wireless communication and a device supporting same. The method comprises the steps of: receiving an auxiliary information request from a second device; generating auxiliary information on the basis of the auxiliary information request; transmitting first sidelink control information (SCI), including scheduling information about a physical sidelink shared channel (PSSCH), to the second device through a physical sidelink control channel (PSCCH), wherein the first SCI includes information related to frequency resource allocation, information related to time resource allocation, information related to a demodulation reference signal (DMRS) pattern, and information related to a modulation and coding scheme (MCS); and transmitting the auxiliary information to the second device through the PSSCH in response to the auxiliary information request, wherein the auxiliary information may include information for sidelink (SL) resource selection for the second device.
Patent WO-2022075699-A1 (WO)
Inventor: ZHU DALIN
IPC: H04W72/04
Filed: 2021-10-05
Abstract: La présente invention concerne des procédés et appareils pour la récupération de défaillance de faisceau (BFR) dans un système de communication sans fil. Un procédé pour faire fonctionner un équipement utilisateur comprend l'identification d'informations de configuration pour au moins deux ensembles de signaux de référence (RS) de détection de défaillance de faisceau (BFD) comprenant chacun une ou plusieurs ressources RS BFD et des informations de configuration pour au moins deux ensembles RS d'identification de nouveau faisceau (NBI) comprenant chacun une ou plusieurs ressources RS NBI. Le procédé comprend en outre la détection d'un événement de défaillance de faisceau pour l'un des au moins deux ensembles RS BFD ; l'identification, sur la base de la mesure d'une ou plusieurs ressources RS NBI dans un ensemble RS NBI qui est associé à l'ensemble RS BFD, d'une ou plusieurs ressources RS NBI pour une nouvelle récupération de faisceau ; et le déclenchement, en réponse à la détection de l'événement de défaillance de faisceau pour l'ensemble RS BFD et à l'identification d'une ou plusieurs ressources RS NBI, d'un événement BFR.
Patent WO-2023063469-A1 (WO)
Inventor: PARK JONGWON
IPC: A42B3/32
Filed: 2021-11-10
Abstract: 본 발명은 착용자의 머리에 착용되는 접이 가능한 헬멧에 있어서, 머리 둘레의 양 옆을 커버하는 둘레부; 상기 둘레부로부터 연장되어 머리 상면을 제1 방향으로 가로질러 커버하는 제1 지지부; 머리 상면을 제2 방향으로 가로질러 커버하고, 양단이 상기 둘레부에 결합되는 제2 지지부; 상기 둘레부, 상기 제1 지지부 및 상기 제2 지지부 중 적어도 하나의 내측에 결합되는 쿠션부를 포함하고, 상기 둘레부 및 상기 지지부 중 적어도 하나는, 절곡 가능한 절곡부를 구비하는 것을 특징으로 하는, 접이 가능한 헬멧에 관한 것이다.
Patent WO-2022154237-A1 (WO)
Title: Procédé d'application de revêtement sur du papier manchette pour article à fumer et article à fumer ainsi fabriqué
Inventor: LEE SEUNG HWAN
IPC: D21H17/03
Filed: 2021-11-18
Abstract: Selon un mode de réalisation de la présente invention, l'invention concerne un article à fumer comprenant : une partie matériau à fumer enveloppée par une enveloppe pour matériau à fumer ; une partie filtre qui possède une extrémité supérieure accouplée à la partie matériau à fumer et qui est enveloppée par une enveloppe pour filtre ; et du papier manchette enveloppé autour de la partie filtre et d'au moins une région partielle de la partie matériau à fumer de façon à ce que la partie matériau à fumer et la partie filtre soient accouplées l'une à l'autre, le papier manchette comportant, sur sa surface, une couche d'impression de dessin, une couche de revêtement OP et une couche de revêtement d'édulcorant.
Patent WO-2022124641-A1 (WO)
Title: Method and device to transmit and receive hybrid automatic retransmission request acknowledgement information
Inventor: FU JINGXING
IPC: H04L5/00
Filed: 2021-11-23
Abstract: A method and device for transmitting hybrid automatic retransmission request acknowledgement (HARQ-ACK) information are provided. The method includes receiving control information from a base station, receiving a plurality of pieces of downlink data from the base station, based on the control information, determining, for the plurality of pieces of downlink data, a resource for transmitting HARQ-ACK information, based on the control information, and transmitting the HARQ-ACK information to the base station on the determined resource, wherein determining the resource for transmitting the HARQ-ACK information includes determining, for each of the plurality of pieces of downlink data, a first resource or resource pair for transmitting the HARQ-ACK information, or determining, for the plurality of pieces of downlink data, a second resource or resource pair for transmitting the HARQ-ACK information.
Patent WO-2022149727-A1 (WO)
Inventor: KANG HEEJUN
IPC: F24C7/08
Filed: 2021-12-01
Abstract: A control knob disclosed herein may comprise: a housing; a magnet which is provided at the bottom surface of the housing to be attachable to a cooking device; a reception coil which is provided in the housing to receive wireless power from the cooking device; a plurality of light-emitting elements which are provided in the housing; a communication module which communicates with the cooking device; and a control unit which receives magnetic field data varying according to movements of the control knob from the cooking device through the communication module and controls the plurality of light-emitting elements on the basis of the received magnetic field data.
Patent WO-2022131633-A1 (WO)
Inventor: CHUNG MYUNG KI
IPC: G06Q50/10
Filed: 2021-12-02
Abstract: 본 발명의 일 실시예에 따른 콘텐츠 데이터를 재생하는 콘텐츠 재생 장치, 콘텐츠 재생 장치에 장착되는 콘텐츠 저장 매체, 콘텐츠 재생 장치에 콘텐츠 데이터를 제공하는 콘텐츠 서버, 콘텐츠 재생 장치 및 콘텐츠 저장 매체를 구입한 사용자의 사용자 기기를 포함하는 콘텐츠 재생 시스템의 콘텐츠 재생 방법은 콘텐츠 재생 장치가, 콘텐츠 저장 매체가 장착되면, 콘텐츠 저장 매체의 식별정보를 인식하는 단계, 인식된 식별정보와 콘텐츠 서버에 로그인된 사용자 계정의 계정정보를 비교하여 사용자 인증을 수행하는 단계, 사용자 인증이 수행되면, 콘텐츠 서버로부터 콘텐츠 데이터를 수신하여 저장하는 단계; 및, 콘텐츠 데이터를 재생하는 단계를 포함한다. 이에 따라, 본 발명은 애장하고 싶은 아티스트의 콘텐츠를 한번의 구입으로 영구적으로 소장하고 재생할 수 있다.