baber/WOPTO huggingface dataset:
Patent WO-2018174385-A1 (WO)
Title: V2x 통신 장치 및 그의 v2x 메시지의 송수신 방법
Inventor: YANG SEUNGRYUL
IPC: H04W4/12
Filed: 2017-12-29
Abstract: 대상 차량의 V2X(Vehicle to everything) 통신 장치가 V2X 메시지를 수신하는 방법이 개시된다. V2X 메시지 수신 방법은 적어도 하나의 CACC 차량으로부터 CACC 정보를 포함하는 V2V 메시지를 수신하는 단계, CACC 정보는 CACC 차량이 속하는 CACC 스트링을 식별하는 CSID 정보 및 CACC 스트링의 스트링 길이를 관리하기 위해 사용되는 스트링 길이 관리 정보를 포함하고, V2V 메시지로부터 CSID 정보 및 스트링 길이 관리 정보를 획득하는 단계, 및 CSID 정보 및 스트링 길이 관리 정보에 기초하여 대상 차량의 스트링 길이 관리 정보의 값을 설정하는 단계를 포함할 수 있다. 여기서, 스트링 길이 관리 정보는 CACC 스트링 내의 CACC 차량의 현재 순서를 지시하는 OIS 정보 또는 CACC 스트링의 길이를 지시하는 CSL 정보 중 적어도 하나를 포함할 수 있다.
Patent WO-2018190637-A1 (WO)
Title: 디바이스의 통신 연결 방법 및 그 장치
Inventor: KANG HEE-JUN
IPC: H04W76/11
Filed: 2018-04-11
Abstract: 디바이스가 개시된다. 개시된 디바이스는 통신부, 메모리 및 상기 통신부와 상기 메모리를 제어하는 프로세서를 포함하고, 상기 메모리는, 상기 프로세서가 실행시, 메모리에 저장된 제 1 데이터를 이용하여 전자장치와 상기 통신부를 통해 연결하는 동작, 상기 전자장치로부터 액세스포인트의 식별정보를 수신하는 동작, 상기 전자장치로부터 수신한 상기 액세스포인트의 식별정보를 이용하여 상기 액세스포인트와 연결하는 동작, 상기 액세스포인트를 통해 서버에 연결하는 동작, 상기 서버로부터 상기 전자장치의 제 2 식별정보를 수신하여 상기 메모리에 저장하는 동작 및 상기 액세스포인트와 연결이 끊어지는 경우, 상기 제 2 식별정보를 이용하여 상기 전자장치와 연결하는 동작을 수행하는 명령어를 저장할 수 있다.
Patent WO-2018199542-A1 (WO)
Title: 전자 장치 및 전자 장치의 영상 표시 방법
Inventor: LEE WOO-YONG
IPC: G06F3/041
Filed: 2018-04-18
Abstract: 다양한 실시예에 따르면, 전자장치는 상기 전자 장치의 하우징의 제1 면에 배치된 제1 카메라; 상기 제1 면에서 상기 제1 카메라로부터 이격되어 배치된 제2 카메라; 디스플레이; 및 상기 제1 카메라로부터 획득된 제1 입력 영상 또는 상기 제2 카메라로부터 획득된 제2 입력 영상 중 상기 제1 입력 영상의 위상차 정보를 이용하여 획득된 상기 제1 입력 영상에 대한 제1 오브젝트 영역에 기초하여, 상기 제1 입력 영상 중 적어도 일부에 제1 영상 효과를 처리하여 상기 디스플레이에 표시하고, 상기 제1 입력 영상 및 상기 제2 입력 영상 간 시차 정보를 이용하여 획득된 상기 제1 입력 영상에 대한 제2 오브젝트 영역에 기초하여, 상기 제1 입력 영상 중 적어도 일부에 제2 영상 효과를 처리하여 상기 디스플레이에 표시하도록 설정된 프로세서를 포함할 수 있다. 다양한 실시예가 가능하다.
Patent WO-2018212590-A1 (WO)
Inventor: KIM CHONG WON
IPC: C09J133/08
Filed: 2018-05-16
Abstract: 본 발명은 디스플레이 보호필름에 관한 것으로, 더욱 상세하게는 방오 특성, 대전방지 기능이 우수하고, 피착면에 부착 시 기포가 발생하지 않으며, 박리 시 피착면에 점착제가 잔존하지 않음에 따라 재작업성이 우수한 동시에 굴곡면에 부착 시 들뜸 현상 및 층간 박리현상이 발생하지 않는 디스플레이 보호필름에 관한 것이다.
Patent WO-2018221939-A1 (WO)
Inventor: YOON HO SUB
IPC: H01L23/427
Filed: 2018-05-29
Abstract: La présente invention concerne un caloduc du type plaque mince et son procédé de fabrication, comprenant les étapes consistant à : fabriquer un disque supérieur et un disque inférieur par découpe d'un matériau de plaque métallique ; traiter à la presse le disque supérieur pour former une pluralité de saillies sur le disque supérieur, de façon à former une voie d'étranglement entre la pluralité de saillies ; former un espace de mèche par traitement à la presse soit du disque supérieur soit du disque inférieur ; agencer, dans l'espace de mèche, une mèche de fibre comprenant une fibre d'aramide qui a été reformée pour être hydrophile ; former un boîtier par couplage du disque supérieur et de la plaque inférieure pendant que la mèche de fibre est agencée ; et injecter, dans le boîtier, un fluide de travail s'écoulant à travers la voie d'étranglement par un orifice d'injection, amener l'intérieur du boîtier dans un état de vide par l'intermédiaire de l'orifice d'injection, puis sceller de manière étanche l'orifice d'injection.
Patent WO-2019221341-A1 (WO)
Title: Lid for airtight container
Inventor: YOON JONG BYUNG
IPC: B65D53/02
Filed: 2018-09-18
Abstract: The present invention relates to a lid for an airtight container, and more specifically, to a lid for an airtight container, the lid being formed so that, by means of a rotational handle, a silicone cover formed at the bottom-end may seal the circumference portion of a top-end inlet of a container, thereby enabling the container to be completely sealed even when the size of the container inlet is not uniform, and also allowing for responding to changes in the size of the container inlet which has a predetermined size.
Patent WO-2019059629-A1 (WO)
Title: Test socket
Inventor: CHUNG YOUNG BAE
IPC: G01R1/04
Filed: 2018-09-19
Abstract: The present invention relates to a test socket and, more specifically, to a test socket comprising: a housing having an accommodation space, in which an test connector for electrically connecting, with a test device, a device to be tested and the device to be tested can be accommodated, and having an opened upper part; a cover capable of opening and closing the opened upper part of the housing; a pusher device, which is provided at the cover and is for pressing, toward the test connector, the device to be tested loaded in the housing; an air injection unit for adjusting the temperature in the accommodation space by injecting, into the accommodation space, air or refrigerant having a predetermined temperature; an air discharging unit for discharging, to the outside, the air or the refrigerant having been injected into the accommodation space; and a sealing means capable of sealing the accommodation space from the outside when the housing is closed by the cover.
Patent WO-2020027375-A1 (WO)
Title: Color conversion sheet and backlight unit comprising same
Inventor: JIN SANG WOO
IPC: B32B7/02
Filed: 2018-10-17
Abstract: The present invention provides a color conversion sheet comprising: a first wavelength conversion layer in which an organic phosphor is dispersed in a resin matrix; and an adhesive layer disposed on one surface of the first wavelength conversion layer, in which a surface energy of the first wavelength conversion layer is different from a surface energy of the adhesive layer so that the organic phosphor does not diffuse into the adhesive layer.
Patent WO-2019098800-A1 (WO)
Title: 무선 통신 시스템에서 사운딩 참조 신호를 전송하는 방법 및 이를 위한 장치
Inventor: KANG JIWON
IPC: H04L5/00
Filed: 2018-11-19
Abstract: 본 명세서는 무선 통신 시스템에서 SRS(sounding reference signal)를 전송하는 방법을 제공한다. 구체적으로, 단말에 의해 수행되는 방법은, 복수의 SRS 자원 세트(resource set)들에 대한 정보를 기지국으로부터 수신하는 단계, SRS 자원 세트는 하나 이상의 SRS 자원들을 포함하며; 및 상기 기지국으로부터 수신한 정보에 기초하여 복수의 SRS 자원들 상에서 상기 SRS를 상기 기지국으로 전송하는 단계를 포함하고, 상기 복수의 SRS 자원들이 서로 다른 SRS 자원 세트에 포함된 경우, 상기 복수의 SRS 자원들 상에서 상기 SRS는 동시에 전송되는 것을 특징으로 한다.
Patent WO-2019164107-A1 (WO)
Title: Wireless communication system for assigning spread coefficient to end devices to receive large number of end devices
Inventor: HAN YOUNG NAM
IPC: H04W88/16
Filed: 2018-12-05
Abstract: A gateway and an end device of a wireless communication system according to an embodiment may determine a spread coefficient to be used in wireless communication between the gateway and the end device, on the basis of a combination of multiple distance zones and multiple predetermined spread coefficients. The combination of the multiple distance zones and the multiple spread coefficients may be determined to be a combination maximizing the probability that a wireless signal is successfully transmitted.
Patent WO-2020130200-A1 (WO)
Title: Motor
Inventor: JUNG SEUNGMO
IPC: H02K5/173
Filed: 2018-12-20
Abstract: The present invention relates to a motor for directly cooling a motor with oil, and the motor comprises: a motor housing in which an accommodation space is provided; a stator which is accommodated inside the motor housing, and which has a stator core and a coil wound on the stator core; a rotor rotatably mounted around a rotary shaft inside the stator core; a plurality of end covers for covering both end portions of the motor housing; oil flow paths formed inside each of the plurality of end covers; and a plurality of nozzles formed on the inner side surface of each of the plurality of end covers so as to communicate with the oil flow paths, thereby spraying oil into the accommodation space.
Patent WO-2019132580-A1 (WO)
Inventor: LEE SANG HWA
IPC: C08K7/14
Filed: 2018-12-28
Abstract: A polyamide resin composition of the present invention comprises: about 40 to about 60% by weight of a polyamide resin comprising repeating units represented by formula 1 and repeating units represented by formula 2; about 0.5 to about 10% by weight of an olefin-based copolymer; about 0.5 to about 10% by weight of a maleic anhydride modified olefin-based copolymer; about 5 to about 15% by weight of calcium carbonate; and about 20 to about 40% by weight of a glass fiber. The polyamide resin composition and a molded article formed therefrom are excellent in plating adhesion, impact resistance, heat resistance, appearance properties, and the like.
Patent WO-2019212315-A1 (WO)
Title: Method for manufacturing electrode comprising polymer-based solid electrolyte, and electrode manufactured by method
Inventor: LEE JUNG-PIL
IPC: H01M4/62
Filed: 2019-05-03
Abstract: The present invention relates to an electrode for an all-solid-state battery and a method for manufacturing same, and a mixture of a polymer-based solid electrolyte, an additive for improving oxidation/reduction and a conductive material is filled in between electrode active material particles constituting an electrode active material layer, and the degree of dissociation and mobility of the additive for improving an oxidation/reduction increase through a solvent annealing process included in a manufacturing process, and thus battery lifespan characteristics are improved.
Patent WO-2019225964-A1 (WO)
Title: System and method for fast object detection
Inventor: ZHANG HEMING
IPC: G06T7/11
Filed: 2019-05-22
Abstract: One embodiment provides a method comprising identifying a salient part of an object in an input image based on processing of a region of interest (RoI) in the input image at an electronic device. The method further comprises determining an estimated full appearance of the object in the input image based on the salient part and a relationship between the salient part and the object. The electronic device is operated based on the estimated full appearance of the object.
Patent WO-2020017784-A1 (WO)
Inventor: KIM TAE HYO
IPC: A41B11/00
Filed: 2019-07-01
Abstract: 본 발명은 양말과 같은 발의류의 바닥 내측 표면과 외측 표면에 논슬립 물질이 형성되어 있는 논슬립 발의류에 관한 것으로, 내측과 외측의 논슬립 물질이 서로 엇갈려 배치되되, 그 사이에 완충이격부가 형성됨으로써 논슬립 기능 유지 및 피부 손상 방지가 원할히 이루어질 수 있도록 한, 완충이격부가 구비된 논슬립 발의류에 관한 것이다.
Patent WO-2020032566-A1 (WO)
Inventor: KIM DONGGUN
IPC: H04W76/27
Filed: 2019-08-07
Abstract: La présente invention concerne un procédé et un dispositif pour transmettre et recevoir des données dans un système de communication sans fil, et un procédé de fonctionnement d'un premier nœud sans fil pour réaliser une fonction de liaison terrestre sans fil comprend les étapes consistant à : mapper un support d'au moins un terminal à au moins un canal de commande de liaison radio (RLC) au niveau d'une couche d'adaptation, qui est la couche supérieure d'une couche de RLC ; et transmettre, vers un second nœud sans fil, des données correspondant au support du ou des terminaux par le biais du ou des canaux de RLC, le ou les canaux de RLC pouvant être connectés à la ou aux couches de RLC du second nœud sans fil.
Patent WO-2020032579-A1 (WO)
Title: Method and apparatus for transmitting and receiving data in wireless communication system
Inventor: HWANG JUNE
IPC: H04W28/02
Filed: 2019-08-07
Abstract: A method of performing a discontinuous reception (DRX) operation by a user equipment (UE) is provided. The method includes receiving bandwidth part (BWP) configuration information and DRX configuration information, configuring a duration of a timer for the DRX operation, based on the BWP configuration information and the DRX configuration information, and controlling the timer to perform the DRX operation, based on the configured duration, wherein the timer for the DRX operation is controlled before the timer is stopped or expires.
Patent WO-2020116752-A1 (WO)
Inventor: PARK YOUNG KOON
IPC: B23B51/02
Filed: 2019-09-18
Abstract: Disclosed are a drill and an insert for a drill having improved centering capability and cutting performance. A drill of the present invention processes a relief surface in the center of a cutting edge portion into a flat surface and processes a relief surface on the outer circumferential portion which is connected from the center to the outer circumferential surface into a curved surface, thereby enhancing centering capability and minimizing generation of drill vibration and burr. In addition, the drill of the present invention identically processes the tangential angle of a relief surface, which comes into contact with a hole, regardless of the outer diameter size of the drill, thereby achieving uniform performance even if the outer diameter of the drill varies.
Patent WO-2020091238-A1 (WO)
Inventor: YOON SEO YOUNG
IPC: H01M10/058
Filed: 2019-09-30
Abstract: A method for evaluating an internal short, of the present invention, inserts ionic polymer-metal composites (IPMC) in a battery cell, and applies a voltage to an external conducting wire electrically connected to the IPMC, so as to induce an internal short by means of flexural deformation of the IPMC, thereby evaluating whether the internal short occurs. The method for evaluating an internal short, according to the present invention, inserts and positions, in a battery, the IPMC capable of operating even at room temperature and low voltages and adjusts the voltage, thereby having an advantage of enabling a short to occur at a desired position and area and for a desired period of time.
Patent WO-2020085786-A1 (WO)
Title: Style recommendation method, device and computer program
Inventor: JUNG TAE YOUNG
IPC: G06Q30/06
Filed: 2019-10-23
Abstract: The present invention relates to a method by which a service server recommends a coordination fashion item, comprising the steps of: extracting, on the basis of an image of a product that can be purchased in an online market, a label describing the contents of the product, and indexing information about the label so as to generate a product database; generating a style database for a style image of a person wearing a plurality of fashion items; extracting, from a query about an image displayed in a user device, a fashion item to be retrieved, when the query is received, and searching the style database for an item similar to the fashion item on the basis of image similarity; determining, from a style image from which the similar item is retrieved, an item in a category, different from that of the similar item, to be a coordination item; and searching the product database on the basis of image similarity, with respect to the coordination item, and determining a product similar to the coordination item to be a recommended product.
Patent WO-2020189876-A1 (WO)
Inventor: HUR HYEJUNG
IPC: G06T9/00
Filed: 2019-11-26
Abstract: A point cloud data transmission method according to embodiments may include: a step for acquiring point cloud data; a step for encoding the point cloud data; and/or a step for transmitting the point cloud data. A point cloud data reception method according to embodiments may include: a step for receiving point cloud data; a step for decoding the point cloud data; and/or a step for rendering the point cloud data.
Patent WO-2020226248-A1 (WO)
Inventor: KIM HAK TAE
IPC: B60S1/40
Filed: 2019-12-05
Abstract: The present invention relates to a wiper for a vehicle, the wiper comprising: an adapter mounted on a wiper operating arm; an adapter holder constraining the adapter; a frame holder coupled so that the adapter holder and the adapter constrained thereto are exposed upward; left and right primary levers disposed respectively on the left and right sides of the frame holder so that the ends of the primary levers facing each other are coupled respectively to the left and right sides of the frame holder; left and right secondary levers connected respectively to two lever joints coupled respectively to the other ends of the left and right primary levers; four tertiary levers provided so as to be connected to four lever joints formed at both ends of each of the left and right secondary levers; and a wiper assembly comprising a rubber blade assembled in a state of being fitted horizontally into eight blade supports formed at both ends of each of the four tertiary levers, wherein each of the left and right primary levers and the left and right secondary levers is made of an elastic plate spring metal material with elastic force, and each of the left and right primary levers is configured to have left and right primary protruding bridges that protrude upward and are cut through punching. (Representative drawing) FIG. 1
Patent WO-2020162700-A1 (WO)
Inventor: PARK BYUNG GEOL
IPC: A63B24/00
Filed: 2020-02-07
Abstract: The present invention relates to a hand rehabilitation exercise device, and is characterized by including: a finger movement sensing sensor which is disposed on a finger and senses the movement of the finger; a pressure measurement unit which measures the pressure generated by the movement of the finger; and a control unit which receives and combines finger movement data sensed by the finger movement sensing sensor and pressure data measured by the pressure measurement unit.
Patent WO-2020175848-A1 (WO)
Title: Power semiconductor cooling module for electric vehicle
Inventor: HWANG SEUNG JAE
IPC: H05K7/20
Filed: 2020-02-20
Abstract: Provided is a power semiconductor cooling module for an electric vehicle. The power semiconductor cooling module for an electric vehicle, according to one exemplary embodiment of the present invention, is electrically connected to a motor and comprises: a box-shaped housing unit having an inner space; a power element unit disposed in the inner space and electrically connected to a motor via at least one busbar; a heat dissipation unit disposed in the inner space so as to make contact with the power element unit in order to cool heat generated from the power element unit; and a heat backflow prevention member disposed so as to surround at least a portion of the total length of the busbar, and disposed so as to make contact with the heat dissipation unit.
Patent WO-2020213980-A1 (WO)
Inventor: PARK JOONHO
IPC: H02J50/40
Filed: 2020-04-17
Abstract: The present invention relates to wireless power transmission. A method for controlling a communication connection for a wireless charging device supporting in-band communication and out-band communication, according to an embodiment of the present invention, may comprise: a step of receiving a first packet from a device through in-band communication; a step of generating a power transmission contract on the basis of the first packet; a step of performing an out-band communication connection on the basis of the power transmission contract; a step of controlling power by using out-band communication when the out-band communication connection is successful.
Patent WO-2021040188-A1 (WO)
Inventor: SON JAE-HYOUNG
IPC: H01M10/44
Filed: 2020-05-12
Abstract: A secondary battery charging/discharging apparatus according to the present invention may comprise: a plurality of compression plates which are arranged to face each other with, disposed therebetween, a cell insert space in which a secondary battery cell is provided and which move so as to reduce a gap therebetween to press a body of the secondary battery cell; gripper units which are provided on the top edges of each of the compression plates and extend toward the cell insert space so as to contact electrode lead portions of the secondary battery cell when the compression plates press the body of the secondary battery cell; and push bar units which are coupled to the respective gripper units, extend toward the cell insert space, and are arranged to elastically press a terrace portion of the secondary battery cell.
Patent WO-2021020822-A1 (WO)
Inventor: JANG JAEHYUK
IPC: H04W74/08
Filed: 2020-07-24
Abstract: The present disclosure provides a method for performing a random access procedure of a terminal, comprising the steps of: receiving, from a base station, random access configuration information; and performing a 2-step random access procedure or a 4-step random access procedure with the base station on the basis of the configuration information, wherein the random access configuration information comprises both parameter information for the 2-step random access procedure and parameter information for the 4-step random access procedure.
Patent WO-2022025312-A1 (WO)
Inventor: JANG DONG SEON
IPC: B25J13/08
Filed: 2020-07-29
Abstract: La présente invention concerne un dispositif et un procédé pour suivre des tâches à l'aide de dispositifs d'assistance musculaire. Le procédé de suivi de tâches à l'aide de dispositifs d'assistance musculaire, selon un mode de réalisation de la présente invention, comprend les caractéristiques et les étapes consistant à suivre des dispositifs d'assistance musculaire et, sur la base d'informations générées pour chaque travailleur, à fournir des informations de guidage nécessaires pour les travailleurs respectifs.
Patent WO-2021080143-A1 (WO)
Inventor: PARK SUNGMIN
IPC: G01B7/30
Filed: 2020-08-18
Abstract: 본 발명은 평면자석을 활용한 선박의 러더센서에 관한 것으로, 센서 하우징; 일단이 상기 센서 하우징의 상단으로 삽입되어 내부로 위치되며, 선박의 조타기의 조향에 따라 회전하는 회전축; 상기 회전축의 회전에 따라 각도가 조절되는 평면자석 및 상기 센서 하우징의 일측에 결합되어 상기 평면자석의 각도 변화를 검출하는 검출부를 포함하여 구성될 수 있다.
Patent WO-2021107367-A1 (WO)
Title: 복수 개의 저장실 갖는 모듈을 포함하는 냉장고
Inventor: CHUN CHANHO
IPC: F25D19/02
Filed: 2020-09-23
Abstract: 본 발명은 냉장고에 관한 것으로, 복수 개의 룸을 갖는 하나의 모듈 또는 복수 개의 모듈을 포함하는 냉장고에 관한 것이다. 본 발명의 일실시예에 따르면, 복수 개의 냉장고 모듈을 포함하는 냉장고에 있어서, 냉장고 모듈은, 외형을 형성하고 내부에 복수 개의 저장실이 구비되는 캐비닛; 상기 캐비닛에 구비되며, 상기 저장실마다 각각 구비되는 도어; 상기 저장실의 후벽을 형성하고 상기 저장실 내부와 다른 저장실 내부와의 공기 연통을 차단하도록 구비되며, 복사 냉각을 통해서 상기 저장실 내부를 냉각시키도록 구비되는 복사 냉각판; 상기 복사 냉각판의 후방에 위치하여, 상기 복사 냉각판과 열교환하기 위한 냉기를 공급하는 냉기순환유로; 그리고 상기 냉기순환유로로 냉기를 토출하고 상기 복사 냉각판과 열교환된 냉기를 흡입하는 기계실을 포함하여 이루어지는 냉장고가 제공될 수 있다.
Patent WO-2021091271-A1 (WO)
Inventor: LEE JONG CHUL
IPC: F16J15/08
Filed: 2020-11-05
Abstract: The present invention relates to an insulated high-temperature gasket having a plurality of sealing units, the gasket comprising: a gasket main body formed of a metal material and having serrated bent units on upper and lower surfaces thereof; a plurality of sealing layers formed on a surface of the main body, for improving insulating and heat resistant properties; and a wing portion opened to outward direction from an outer circumferential unit of the main body and having an elastic body inserted therein such that an outer ring can be installed therein, wherein the gasket further comprises an organic/inorganic thin film coating layer formed on a surface of the sealing layer and an inorganic layer formed on a surface of the organic/inorganic thin film coating layer. According to the present invention, because the insulated high-temperature gasket having the plurality of sealing layers is used, airtightness of a pipe used to transport a fluid can be increased, and durability and heat resistance of the gasket can be maximized. At the same time, because it is easy to manufacture and process the gasket, versatility in high-temperature and high-pressure environments can be noticeably improved, and the sealing member can be easily attached and detached to easily carry out operations.
Patent WO-2021107521-A1 (WO)
Inventor: LEE YOUNG JUN
IPC: H01Q1/48
Filed: 2020-11-23
Abstract: An antenna element according to embodiments of the present invention comprises: a dielectric layer; a radiation pattern arranged on the top surface of the dielectric layer; a transmission line connected to one side of the radiation pattern on the dielectric layer; a signal pad connected to one end of the transmission line; a ground pad arranged around the signal pad; and an auxiliary radiation pattern extending parallel to the transmission line from the ground pad.
Patent WO-2022050496-A1 (WO)
Title: Authentication information transmission device using inaudible sound wave communication
Inventor: PARK JONG SUNG
IPC: H04L27/10
Filed: 2020-11-23
Abstract: An authentication device is disclosed. The authentication device according to an embodiment of the present invention comprises: a storage unit for storing authentication information and a plurality of precondition signals corresponding to conversion methods for converting the authentication information into sound waves; a control unit for selecting at least one precondition signal from among the plurality of precondition signals, and converting the authentication information into a sound wave signal by means of a conversion method corresponding to the selected precondition signal; and a sound wave output unit for outputting, as a sound wave signal, the selected precondition signal and the authentication information which has been converted into a sound wave signal.