baber/WOPTO huggingface dataset:
Patent WO-2017175953-A1 (WO)
Title: Appareil portable de mesure de chlorure à base de titrage coulométrique
Inventor: SEO IN HO
IPC: G01N27/327
Filed: 2016-12-22
Abstract: Un appareil de mesure de chlorure selon un mode de réalisation exemplaire de la présente invention peut être utile pour mesurer une teneur en ion chlorure dans un objet cible de mesure par introduction de l'objet cible de mesure dans une solution d'électrolyte pour mesurer une teneur en ion chlorure dans l'objet cible de mesure, l'application d'un courant oxydatif à un réactif, qui réagit avec des ions chlorure, pour ioniser le réactif dans la solution d'électrolyte, et la mesure d'une quantité du courant oxydatif appliqué lorsque les ions chlorure réagissent avec le réactif ionisé. L'appareil de mesure de chlorure comprend une unité d'électrode d'ionisation configurée pour appliquer le courant oxydatif au réactif de sorte que le réactif réagissant avec les ions chlorure est ionisé dans la solution d'électrolyte, une unité de tension de référence configurée pour fournir une tension de référence constante à la solution d'électrolyte, une unité de tension de mesure configurée pour mesurer une tension de mesure qui est une tension qui change dans la solution d'électrolyte en fonction de la réaction du réactif ionisé avec les ions chlorure, et une unité de commande configurée pour calculer la teneur en ion chlorure dans l'objet cible de mesure sur la base d'une quantité du courant oxydatif appliqué au réactif et commander l'unité d'électrode d'ionisation ou l'unité de tension de référence sur la base de conditions prédéfinies.
Patent WO-2017116169-A1 (WO)
Title: 신규한 유기화합물 및 상기 유기화합물을 포함하는 유기전계발광소자
Inventor: LEE SOON CHANG
IPC: C07C15/20
Filed: 2016-12-29
Abstract: 본 발명은 유기전계발광소자의 발광층에 사용되는 신규한 유기화합물을 포함하는 유기전계발광소자에 관한 것이다. 구체적으로, 본 발명은 신규한 피렌계 유기 화합물을 포함하는 유기전계발광소자에 관한 것이다.
Patent WO-2017146393-A1 (WO)
Title: 충돌방지 기능이 구비된 경첩
Inventor: HAN JIHUN
IPC: E05D3/02
Filed: 2017-02-06
Abstract: 본 발명은 관통공이 형성된 메인하우징; 상기 관통공에 대응되는 체결공이 형성되며, 상기 메인하우징이 회동가능하도록 메인하우징의 양측단에 구비되는 한 쌍의 하우징; 상기 관통공에 관통되고, 체결공에 양측단 각각의 일부분이 인입되는 환봉; 상기 환봉의 겉면 일부를 감싸도록 구비되는 마찰부재;를 포함하여 구성되는 것을 기술적 특징으로 한다.
Patent WO-2017150829-A1 (WO)
Inventor: JUNG GEUNYONG
IPC: A47L9/00
Filed: 2017-02-16
Abstract: Un aspirateur selon un aspect de l'invention comprend : un corps d'aspirateur comprenant une chambre de batterie ; une partie de moteur disposée au niveau du corps d'aspirateur et fournissant une force d'aspiration ; une batterie disposée de manière détachable au niveau de la chambre de batterie et fournissant une puissance à la partie de moteur ; un couvercle de batterie monté de manière rotative sur le corps d'aspirateur et ouvrant ou fermant la chambre de batterie ; et un support de charge sur lequel le corps d'aspirateur peut être maintenu, le support de charge ayant une nervure de prévention d'ouverture positionnée sur un trajet de rotation du couvercle de batterie dans un état dans lequel le corps d'aspirateur est maintenu, pour empêcher le couvercle de batterie d'être ouvert.
Patent WO-2017155236-A1 (WO)
Inventor: YOGANANDAN ARUN
IPC: G06T19/00
Filed: 2017-02-28
Abstract: Content management includes receiving an image of one or more display devices with respective first content displayed. For at least one display device, a display device identification (ID) is retrieved. A change to the first content displayed at the at least one display device is caused, based on the display device ID of the at least one display device, upon interaction with the image.
Patent WO-2018038503-A1 (WO)
Title: 이동성 관리와 세션 관리가 분리된 무선 통신 시스템 운영 방법 및 장치
Inventor: LEE JINSUNG
IPC: H04W28/02
Filed: 2017-08-22
Abstract: 본 발명은 다음 세대(Next Generation(NextGen)) 이동통신 시스템에서 제어 평면(Control Plane, CP)의 주요 기능인 이동성 관리(Mobility Management, MM) 및 세션 관리 (Session Management, SM)를 담당하는 네트워크 엔티티(Network Entity, NE)의 분리를 위해 필요한 시그널링을 정의하고, 이 시그널링을 포함하여 이동통신 서비스를 제공하기 위한 기본 절차를 제안하고자 한다. 이를 통해 네트워크 슬라이스(Network Slice) 기능 구현 및 다양한 이동성 수준(Level of Mobility) 제공을 위해 CP를 담당하는 코어 장비의 복잡도를 낮추고, 이들 간의 시그널링 부하를 최소화하는 효과를 가져올 수 있다. 또한, 기지국(Radio Access Network, RAN)과 사용자 평면 엔티티(User Plane Network Entity, UP NF)의 자원을 효율적으로 관리할 수 있다.
Patent WO-2018074734-A1 (WO)
Inventor: KANG SANG DO
IPC: G02B3/00
Filed: 2017-09-06
Abstract: La présente invention concerne un procédé de fabrication d'une lentille d'insert d'un boîtier métallique à l'aide d'un laser à dioxyde de carbone et, plus particulièrement, un procédé de fabrication d'une lentille d'insert d'un boîtier métallique à l'aide d'un laser au dioxyde de carbone, le procédé de fabrication d'une lentille d'insertion de boîtier métallique ayant une forme asphérique par placement d'un boîtier sur une plaque de moule ayant une partie creuse asphérique, injection d'une matière première de lentille dans le boîtier, puis à faire fondre sélectivement la matière première de lentille à l'aide d'un faisceau du laser à dioxyde de carbone, ce qui permet de réduire les coûts de fabrication et de faciliter un processus de fabrication.
Patent WO-2019083056-A1 (WO)
Title: Water-and-oil repellent copolymer for coating paper through covalent bonding, preparation method therefor, and use thereof
Inventor: LEE JUN-YOUNG
IPC: C08F220/18
Filed: 2017-10-24
Abstract: The present invention relates to a water-and-oil repellent copolymer for coating paper, a preparation method therefor, a water-and-oil repellent composition for coating paper, containing the copolymer, and a method for manufacturing a water-and-oil repellent paper by using the composition.
Patent WO-2018080240-A1 (WO)
Title: 안정성이 향상된 올리고당 시럽
Inventor: JOO KYUNG HO
IPC: A23L29/30
Filed: 2017-10-27
Abstract: 본 발명은 유기산 또는 이의 염과 올리고당을 포함하는, 올리고당 분해 방지용 당시럽 조성물에 관한 것이고, 더욱 자세하게는 상기 당시럽 조성물을 알룰로스 시럽을 포함한다.
Patent WO-2018097569-A1 (WO)
Title: 단일 생성 위상 천이 기법을 이용한 디지털 홀로그래픽 복원 장치 및 방법
Inventor: KIM BYUNG MOK
IPC: G02B5/32
Filed: 2017-11-21
Abstract: 본 발명에 따른 단일 생성 위상 천이 기법을 이용한 디지털 홀로그래픽 복원 방법은 a) 측정 대상 물체의 물체 홀로그램을 획득하는 단계; b) 상기 획득된 물체 홀로그램으로부터 상기 측정 대상 물체의 위상 정보를 갖는 물체광 정보와 상기 측정 대상 물체의 위상 정보가 없는 기준광 정보를 분리하여 추출하여 제 1 위상 천이된 물체 홀로그램을 생성하는 단계; c) 상기 추출된 기준광 정보를 90만큼 위상을 천이시켜 제 2 위상 천이된 물체 홀로그램을 생성하는 단계; d) 상기 추출된 기준광 정보를 180만큼 위상을 천이시켜 제 3 위상 천이된 물체 홀로그램을 생성하는 단계; e) 상기 추출된 기준광 정보를 270만큼 위상을 천이시켜 제 4 위상 천이된 물체 홀로그램을 생성하는 단계; f) 상기 생성된 제 1 내지 제 4 위상 천이된 물체 홀로그램과 위상 천이 기법(phase shifting method)을 사용하여 직류(DC) 정보 및 직류 잡음, 허상 정보를 제거하여 상기 측정 대상 물체의 상기 위상 정보를 추출하는 단계; 및 g) 상기 추출된 상기 위상 정보에 왜곡된 위상 정보를 보상하고, 상기 보상된 위상 정보를 이용하여 상기 측정 대상 물체의 정량적인 두께 정보를 계산하여 상기 측정 대상 물체의 3차원 형상 정보 및 정량적인 두께 정보를 복원하는 단계를 포함하는 것을 특징으로 한다.
Patent WO-2018124557-A1 (WO)
Inventor: KO JONG-KWAN
IPC: H01M10/0525
Filed: 2017-12-14
Abstract: The present invention relates to an electrolyte for a secondary battery and a secondary battery comprising the same. The electrolyte for the secondary battery improves output characteristics of a secondary battery and storage characteristics of a secondary battery at high and low temperatures, and can stably maintain electric resistance and charge/discharge capacity characteristics of a battery even at high voltage.
Patent WO-2018124727-A1 (WO)
Title: 차량의 브레이크 시스템용 피스톤 펌프
Inventor: KIM JIN HEE
IPC: B60T11/236
Filed: 2017-12-27
Abstract: 피스톤 펌프는 배출 홀을 구비하며 보어(bore)를 형성하는 슬리브 하우징(sleeve housing), 오일을 상기 보어로 유입시키기 위한 유입 유로를 구비하며 상기 보어에 왕복 이동 가능하도록 삽입되는 피스톤, 상기 유입 유로를 개폐할 수 있도록 설치되는 유입 밸브, 상기 배출 홀이 형성된 부분을 둘러싸도록 상기 슬리브 하우징에 체결되는 배출 밸브 커버, 상기 배출 홀을 개폐할 수 있도록 설치되는 배출 밸브, 그리고 상기 슬리브 하우징과 상기 피스톤 사이에 개재되어 밀봉 기능을 수행하는 밀봉 부재를 포함한다. 상기 밀봉 부재는 상기 피스톤의 이탈을 방지할 수 있도록 상기 피스톤이 걸리도록 형성되는 이탈 방지 턱을 구비한다.
Patent WO-2018208101-A1 (WO)
Inventor: KIM GYEONG TAE
IPC: H01F27/26
Filed: 2018-05-10
Abstract: La présente invention concerne une bobine d'arrêt comprenant : un noyau ; des bords disposés au niveau des deux parties d'extrémité, dans une direction, du noyau ; des électrodes de borne couplées à des parties des bords ; et un fil qui est enroulé autour du noyau et dont les parties d'extrémité distale sont en retrait sur les électrodes de borne, le fil étant en retrait sur les électrodes de borne sur des surfaces latérales des bords.
Patent WO-2019017719-A1 (WO)
Title: Led lighting module for low streetlight and led lens
Inventor: KIM SOONGYU
IPC: F21W131/103
Filed: 2018-07-19
Abstract: The present invention relates to an LED lighting module for a low streetlight, installed at a low height on the periphery of a road or a median strip, to illuminate light in a direction crossing the road, and to an LED lens provided on the LED lighting module. When using the LED lighting module for the low streetlight and the LED lens, according to one embodiment of the present invention, streetlights can be installed at a low height thereby reducing the cost for streetlight installation, glare on a car driver can be prevented by evenly lighting the road in the horizontal direction while deflecting downward, and the loss of light can be minimized.
Patent WO-2019045302-A1 (WO)
Title: Metal-supported solid oxide fuel cell and manufacturing method therefor
Inventor: KIM JONG-HEE
IPC: H01M8/124
Filed: 2018-08-06
Abstract: In order to provide a solid oxide fuel cell readily ensuring porosity and having excellent deformation resistance at high temperatures so as to have advantageous large-scalability, embodiments of the present invention provide a metal-supported solid oxide fuel cell comprising a sintered body of metal powder formed as polygonal grains having an aspect ratio of 0.5-2.0. The metal-supported solid oxide fuel cell, according to one embodiment of the present invention, comprises: a metal support; a fuel electrode provided on the metal support; an electrolyte provided on the fuel electrode; and an air electrode provided on the electrolyte, wherein the metal support comprises a sintered body of a metal alloy powder comprising polygonal grains having an aspect ratio of 0.5-2.0.
Patent WO-2020036240-A1 (WO)
Inventor: KIM BOUNGJO
IPC: A44C11/00
Filed: 2018-08-16
Abstract: 본 발명은 복수의 보석 하우징(10)들이 연속적으로 연결된 체인형 보석 목걸이를 개시한다. 본 발명의 보석 목걸이의 각 보석 하우징(10)은 금속재를 주조로 성형하여 일체로 만들어지고, 선단에 보석(1)을 고정하는 시트(12)를 구비하고, 측벽(11)에는 한쌍의 결합핀(15a,15b)들이 구비되어, 인접하는 다른 보석 하우징(10)의 대응하는 결합구멍(18b, 17)에 결합된 후 한쪽 결합핀(15a)을 다른 쪽 결합핀(15b)의 선단쪽으로 오무려 결합하도록 되어 있다.
Patent WO-2019045510-A1 (WO)
Title: Fructose-4-epimerase and method for production of tagatose, using same
Inventor: LEE YOUNG MI
IPC: C12N9/90
Filed: 2018-08-31
Abstract: The present application relates to a composition for production of tagatose, comprising a protein having fructose-4-epimerase activity, and a method for producing tagatose, using the same.
Patent WO-2019045542-A1 (WO)
Title: Method for correcting predicted acupuncture point position and massage chair for performing same
Inventor: BAE BYOUNG CHAN
IPC: A61H39/02
Filed: 2018-09-03
Abstract: A method for correcting a predicted acupuncture point position and a massage chair for performing the same are disclosed. More specifically, a method for correcting a massage position and a massage chair for performing the same are disclosed, the method comprising the steps of: (a) allowing a shoulder height measurement module (610) to measure a shoulder height of a user; (b) allowing a hip bone position prediction module (620) to predict a hip bone position through a preset prediction method by using the shoulder height measured by the shoulder height measurement module (610); (c) allowing a massage position determination module (630) to determine a plurality of massage positions and a plurality of correction massage positions spaced from the massage positions by a predetermined distance on the basis of the hip bone position predicted by the hip bone position prediction module (620); and (d) allowing a massage ball assembly control module (640) to control a massage ball assembly (700) so as to massage the massage positions and the correction massage positions determined by the massage position determination module (630).
Patent WO-2019098552-A1 (WO)
Title: 인터렉티브 키보드 제공방법 및 그 시스템
Inventor: AHN SEO HYUNG
IPC: G06F3/0488
Filed: 2018-10-24
Abstract: 인터렉티브 키보드 제공방법 및 그 시스템이 제공된다. 상기 인터렉티브 키보드 제공방법은 키보드 시스템이 유저로부터 인풋을 입력받는 단계, 상기 키보드 시스템이 입력받은 상기 인풋이 미리 설정된 액션 인풋에 해당하는지 판단하는 단계, 상기 인풋이 액션 인풋이라고 판단한 경우, 상기 키보드 시스템이 키 인터페이스-상기 키 인터페이스는 유저가 선택할 수 있는 복수의 키들을 포함하는 인터페이스임- 상에서 상기 액션 인풋에 상응하는 비쥬얼 컨텐츠를 표시하는 단계를 포함한다.
Patent WO-2019124988-A1 (WO)
Title: Cylindrical secondary battery including column for welding
Inventor: HEO HA YOUNG
IPC: H01M10/0587
Filed: 2018-12-19
Abstract: The present invention relates to a cylindrical secondary battery comprising: a jelly-roll type electrode assembly having a wound structure in which a separation membrane is interposed between a positive electrode and a negative electrode which have a long sheet shape; a cylindrical battery case for accommodating the jelly-roll type electrode assembly; and a cap assembly mounted on an open upper end of the cylindrical battery case, wherein a column for welding is formed so as to be perpendicular to the bottom surface of the cylindrical battery case.
Patent WO-2020130214-A1 (WO)
Inventor: PAE AE NIM
IPC: C07D209/04
Filed: 2018-12-26
Abstract: The present invention relates to novel hydrazone derivatives with an aryl or heteroaryl group substituted at the terminal amine group thereof and a use thereof.
Patent WO-2019139373-A1 (WO)
Title: Method of providing notification and electronic device supporting same
Inventor: LEE SEYEONG
IPC: G06F21/60
Filed: 2019-01-10
Abstract: Disclosed is an electronic device including: a communication interface comprising communication circuitry; a processor electrically connected to the communication interface; and a memory electrically connected to the processor, wherein the memory stores instructions which, when executed by the processor, cause the electronic device to: receive information on a status of at least one external device, information related to a location of the electronic device, and information related to a location of at least one external electronic device from a server through the communication interface; identify whether to output the status of the at least one external device based at least in part on the information related to the location of the electronic device and the information related to the location of the at least one external electronic device; and output the status of the at least one external device in response to identification of the output of the status of the at least one external device.
Patent WO-2019164162-A1 (WO)
Title: Photosensitive resin composition and dielectric film formed therefrom
Inventor: CHOI HAN YOUNG
IPC: H01L21/31
Filed: 2019-02-11
Abstract: A photosensitive resin composition of embodiments of the present invention comprises a polybenzoxazole precursor, a sensitizer and a solvent mixture. The solvent mixture comprises, on the basis of 100 parts by weight of the solvent mixture, 25-45 parts by weight of a first solvent having a boiling point of 100-140°C, 35-65 parts by weight of a second solvent having a boiling point of 140-160°C, and 10-30 parts by weight of a third solvent having a boiling point of 160-200°C. A dielectric film having reduced drying-induced stains can be formed by using the photosensitive resin composition.
Patent WO-2020017726-A1 (WO)
Title: Local exhaust apparatus
Inventor: KIM JI HA
IPC: F24F7/06
Filed: 2019-03-08
Abstract: A local exhaust apparatus for suctioning polluted air and discharging same to the outside is disclosed. The disclosed local exhaust apparatus comprises: a driving part; a swirler disposed near a suction port of an exhaust pipe so as to be rotated by means of the driving part, thereby generating a vortex; and a box in which the swirler is accommodated. A front wall of the box, which faces a vortex discharge end portion of the swirler, has an opening formed at a portion corresponding to the vortex discharge end portion, and another wall of the box has at least one auxiliary exhaust port for discharging the air inside the box to the outside. A gap is formed in the direction of the rotational central axis of the swirler between the front wall, at which the opening is formed, of the box and the vortex discharge end portion of the swirler, such that the vortex generated by means of the swirler so as to be discharged through the vortex discharge end portion flows into the box through the gap.
Patent WO-2019225850-A1 (WO)
Inventor: PARK TAI HYUNG
IPC: G06Q10/10
Filed: 2019-03-21
Abstract: 본 발명의 실시 예에 따른 제증명 정보 처리 방법에 있어서, 제증명 정보 공유자 단말에서, 블록 체인 네트워크 기반의 제증명 정보의 등록을 위한 제공자의 노드 정보 및 제증명 정보를 입력받는 단계; 상기 제증명 정보의 제공처 지정 또는 제한을 나타내는 용도 정보를 입력받는 단계; 상기 용도 정보에 대응하는 용도 제한 코드를 생성하는 단계; 및 상기 용도 제한 코드를 포함하는 제증명 등록 정보를 상기 블록 체인 네트워크상에 공유하는 단계를 포함한다.
Patent WO-2019203475-A1 (WO)
Title: Compact container having improved opening/closing structure for different cosmetic materials
Inventor: JUNG SAM MUL
IPC: A45D33/00
Filed: 2019-04-01
Abstract: The present invention relates to a compact container having an improved opening/closing structure for different cosmetic materials and, more specifically, to a compact container having an improved opening/closing structure for different cosmetic materials, the compact container comprising: a container body; a content container which is coupled inside the container body and is to be filled with a first content; a rotation dish coupling member coupled to the lower part of the container body; a rotation dish which is axis-coupled to the lower part of the rotation dish coupling member to be horizontally rotatable and is to be filled with a second content; an axial rotation hole formed at one side of the rotation dish; and an axial rotation part formed on the lower surface of the rotation dish coupling member and fitted in the axial rotation hole, wherein the axial rotation part and the axial rotation hole are configured to be released from or fastened to each other by the forward or backward movement of the rotation dish, so as to allow the rotation dish to be rotated after the rotation dish coupling member and the rotation dish are released from each other by pulling the rotation dish forward by a predetermined interval, and thus prevent the rotation dish from being arbitrarily rotated and opened by an external impact during the storing or carrying thereof.
Patent WO-2019203560-A1 (WO)
Title: Elliptical polarizing plate and organic light emitting device
Inventor: KIM SUN KUG
IPC: G02B5/30
Filed: 2019-04-17
Abstract: The present application relates to an elliptical polarizing plate and an organic light emitting device. The elliptical polarizing plate of the present application can provide an elliptical polarizing plate with ultra-high visibility having excellent reflective properties and color properties not only on the front surface but also on the side surfaces, and an organic light emitting device comprising same.
Patent WO-2019209068-A1 (WO)
Inventor: LEE JANG HO
IPC: A61K35/28
Filed: 2019-04-26
Abstract: La présente invention concerne la création d'une lignée cellulaire, ayant une caractéristique de tolérance immune, à l'aide d'une technique de profilage de température optimale dans un environnement semblable au corps humain, et son utilisation, et particulièrement un procédé de production de cellules trophoblastiques sécrétant et exprimant continuellement des protéines HLA-G, un procédé de production de cellules souches sécrétant et exprimant continuellement des protéines HLA-G, un milieu de culture de cellules souches produit par le procédé de production, et une composition antivieillissement ou antioxydation contenant le milieu de culture comme ingrédient actif.
Patent WO-2019225960-A1 (WO)
Title: Marker-based augmented reality system and method
Inventor: SUZUKI MASAKI
IPC: G06F3/01
Filed: 2019-05-22
Abstract: The present disclosure describes a system and method for a marker-based augmented reality system. The method includes acquiring image data including image related to real-world environment from a camera of the electronic device, identifying at least one marker from the acquired imaged data, identifying information represented by the at least one marker, the information represented by the at least one marker including at least one of content data, metadata, or server data, generating content based on the at least one of the content data, the metadata, or the server data, and displaying, on a display of the electronic device, the content overlaying the image related to the real-world environment, wherein the content is displayed on at least one portion corresponding to at least one first location in which the at least one marker is located in the image of the real-world environment or at least one second location indicated by the at least one marker.
Patent WO-2019231186-A1 (WO)
Title: Soundproofing and flameproofing paint composition and method for using same
Inventor: KOO MIN-MO
IPC: C09D5/18
Filed: 2019-05-27
Abstract: The present invention relates to a soundproofing and flameproofing paint composition. The soundproofing and flameproofing paint composition according to the present invention comprises, relative to 100 parts by weight of an acrylic urethane resin copolymer: 30-40 parts by weight of aluminum hydroxide; 25-35 parts by weight of calcium carbonate; 4-8 parts by weight of a foaming agent; 0.2-1 parts by weight of a dispersing agent; 0.2-1 parts by weight of Texanol; 0.5-1 parts by weight of a thickening agent; and 0.1-0.5 parts by weight of carbon black. By being applied onto: exterior walls and/or interior walls of buildings; structures, exterior materials, or interior materials of vehicles, such as automobiles or trains; external walls and/or internal walls of panels; and external walls of expanded polystyrene included in panels, the paint composition can efficiently block noise and vibration in an economical and convenient manner and retain excellent flameproofing properties, leading to outstanding fire preventing effects.
Patent WO-2020045798-A1 (WO)
Inventor: LIM HEE YEON
IPC: G08B21/02
Filed: 2019-05-28
Abstract: The present invention relates to a transmitter for marine rescue and a monitoring device for marine rescue. A transmitter for marine rescue carried by a user who boards a ship, according to an embodiment of the present invention, comprises: a first communication unit for communicating with a monitoring device for marine rescue of the ship; a first positioning unit for generating first position information of the transmitter at preset time intervals; and a first control unit for receiving, from the monitoring device, second position information of the monitoring device at preset time intervals, and determining whether the first position information is included in a safe zone of the ship which is set on the basis of the second position information. Accordingly, a distress signal can be transmitted without operating a switch during an emergency while minimizing power consumption of the transmitter.
Patent WO-2019231292-A1 (WO)
Title: Method and device for designing low complexity dst7
Inventor: KOO MOONMO
IPC: H04N19/625
Filed: 2019-05-31
Abstract: The present invention relates to a method for reconstructing a video signal through a low complexity discrete sine transform7 (DST7) design, the method comprising the steps of: acquiring a transform index of a current block from the video signal, wherein the transform index corresponds to one among a plurality of transform combinations including a combination of DST7 and/or discrete cosine transform8 (DST8); deriving a transform combination corresponding to the transform index, wherein the transform combination includes a horizontal transform and a vertical transform, and the horizontal transform and the vertical transform correspond to one of DST7 and DST8; performing an inverse transform in the vertical or horizontal direction on the current block by using DST7 or DST8; and reconstructing the video signal by using the inversely transformed current block, wherein a 33-point discrete Fourier transform (DFT) is applied to DST7 when DST7 is 16x16, and a 65-point DFT is applied to DST7 when DST7 is 32x32.