WO2017057806A1 - Système de simulation de match et de pratique du tennis à l'aide d'un écran - Google Patents

Système de simulation de match et de pratique du tennis à l'aide d'un écran Download PDF

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Publication number
WO2017057806A1
WO2017057806A1 PCT/KR2016/001204 KR2016001204W WO2017057806A1 WO 2017057806 A1 WO2017057806 A1 WO 2017057806A1 KR 2016001204 W KR2016001204 W KR 2016001204W WO 2017057806 A1 WO2017057806 A1 WO 2017057806A1
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WIPO (PCT)
Prior art keywords
ball
tennis
information
practice
screen
Prior art date
Application number
PCT/KR2016/001204
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English (en)
Korean (ko)
Inventor
김호상
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(주)나라소프트
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Publication of WO2017057806A1 publication Critical patent/WO2017057806A1/fr

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B61/00Tennis nets or accessories for tennis or like games, e.g. volley-ball
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/38Training appliances or apparatus for special sports for tennis
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/40Stationarily-arranged devices for projecting balls or other bodies
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06Indicating or scoring devices for games or players, or for other sports activities
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/70Game security or game management aspects
    • A63F13/79Game security or game management aspects involving player-related data, e.g. identities, accounts, preferences or play histories
    • A63F13/795Game security or game management aspects involving player-related data, e.g. identities, accounts, preferences or play histories for finding other players; for building a team; for providing a buddy list
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/80Special adaptations for executing a specific game genre or game mode
    • A63F13/812Ball games, e.g. soccer or baseball
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/80Special adaptations for executing a specific game genre or game mode
    • A63F13/816Athletics, e.g. track-and-field sports

Definitions

  • One embodiment of the present invention is directed to a tennis practice and game simulation system using a screen that allows a user to practice tennis and play a game alone using the screen in the same manner as playing and playing tennis on a field.
  • Patent Document 1 Registered Patent Publication No. 10-0938509 'Tennis game method using a mobile terminal'
  • Patent Document 2 Publication No. 10-2012-0017277 'Screen Game Provision Method'
  • One embodiment of the present invention is to use the screen to improve the interest in tennis and sports skills of the individual by allowing the tennis practice and game to be performed in both directions with the screen in the same manner as the tennis practice and game on the field.
  • Tennis practice and game simulation system using the screen is a tennis plate that provides a space for performing exercises and games for tennis events;
  • a screen device installed at the front of the tennis plate to correspond one-to-one with the tennis plate;
  • a sensor device installed to be adjacent to the tennis plate and detecting movement information of a first ball hit by a user;
  • a ball supply device provided at least one to be adjacent to the screen device and supplying a second ball corresponding to the first ball to the tennis plate based on the movement information;
  • a tennis training and game simulation program is installed, and projecting image information of a tennis item preset to the screen device by executing the tennis training and game simulation program, selecting a second ball corresponding to the first ball.
  • a central control unit for controlling the second ball to be supplied to the tennis plate in a predetermined pattern through the ball supply device based on the movement information of the first ball.
  • the sensor device may be a vision type or spin type camera device or a line scan camera, and an outer surface of the sensor device may be provided with a coating material or a filter member for selectively filtering only a wavelength band of a cast name to be transmitted.
  • the movement information of the first ball may include at least one information of an escape height, an escape angle, a travel angle, a speed, and a spin of the first ball.
  • the ball supply device may provide the preset pattern to the second ball, and the preset pattern may be preset for at least one of an escape height, an escape angle, a travel angle, a speed, and a spin of the second ball.
  • the ball supply apparatus may control the second ball to be bound or not bound on the tennis plate by adjusting the speed of the second ball.
  • the ball supply device may be arranged in a plurality of positions to be adjacent to the tennis plate.
  • the central control device includes a communication unit for transmitting and receiving data with the sensor device or the ball supply device; An information input unit for inputting and selecting a user's desired information and a user's desired motion among the tennis operation; A striking pattern obtaining unit obtaining striking pattern information of the first ball based on the movement information of the first ball; A supply pattern setting unit configured to set a supply pattern of the second ball based on the blow pattern information of the first ball using a preset pattern setting program; After calculating the movement trajectory and the falling point of the first ball based on the movement information of the first ball, the calculated movement trajectory and the falling point of the first ball and the target point in the image provided by the selected tennis operation Computing unit for comparing the position information of the; A score converting unit configured to convert the practice score of the tennis by applying the compared result to a preset score converting program; An image implementer for implementing the image information provided in the tennis operation, the moving image information of the first ball moved toward the same, the movement trajectory and the falling point of the first ball, and the converted score information on
  • the calculation unit may include a data conversion unit converting the movement information of the first ball into position information on coordinates; A data analyzer configured to calculate a movement trajectory and a falling point of the first ball based on the position information of the first ball; And a comparison calculation unit for comparing the calculated movement trajectory and the falling point of the first ball with the position information of the target point in the image provided by the selected tennis operation.
  • the central control apparatus may further include a matching unit for performing a practice game by matching a plurality of users based on the user information.
  • the tennis practice and game simulation system using the screen according to an embodiment of the present invention creates the same environment as the tennis court on the screen in the same manner as the tennis practice and game on the field, and the user is bidirectional with the screen in front of the screen. Because you can do the tennis exercises and games you want by yourself, you can boost your interest in tennis and improve your tennis.
  • the embodiment of the present invention can perform tennis practice and game by matching users who are similar in level with themselves, it is possible to simultaneously provide users with enjoyment and skill improvement of practice and game.
  • FIG. 1 is a view schematically showing a tennis practice and game simulation system using a screen according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a state where a plurality of ball supply devices are arranged in a tennis practice and game simulation system using the screen of FIG. 1.
  • FIG. 3 is a block diagram schematically illustrating the central control apparatus of FIG. 1.
  • FIG. 4 is a block diagram schematically illustrating an operation unit of FIG. 2.
  • any part of the specification is to “include” any component, this means that it may further include other components, except to exclude other components unless otherwise stated.
  • terms such as “... unit” described in the specification means a unit for processing at least one function or operation, which may be implemented in hardware or software, or a combination of hardware and software.
  • FIG. 1 is a view schematically showing a tennis practice and game simulation system using a screen according to an embodiment of the present invention
  • Figure 2 is arranged a plurality of ball supply apparatus in the tennis practice and game simulation system using the screen of
  • FIG. 3 is a block diagram schematically illustrating the central control apparatus of FIG. 1
  • FIG. 4 is a block diagram schematically illustrating the operation unit of FIG. 2.
  • the tennis practice and game simulation system using the screen uses the screen to practice tennis practice and game by the user alone in the same manner as the practice and game of tennis that is beneficial to health in the field.
  • a system that can be performed includes a tennis plate 10, a screen device 20, a sensor device 30, a ball supply device 40 and a central control device 50.
  • a ball hit by a user is called a first ball
  • a ball automatically supplied from the screen device 20 is called a second ball.
  • the tennis plate 10 refers to a mat area provided to be flat so that a user standing at a reference point (not shown) can practice and play tennis.
  • the tennis plate 10 is fixed to the bottom surface can be formed in a suitable size so that the user can operate for sports exercises and games.
  • the tennis plate 10 may have a size for the striker to serve the first ball or to perform the forehand, the backhand, the stroke, and the like.
  • the screen device 20 is a display device for implementing an image transmitted through the central control device 50, and is installed in front of the tennis plate 10 to correspond one-to-one with the tennis plate 10.
  • the screen device 20 may be configured of a beam projector (not shown) for providing an image under control of the central controller 50 and a screen (not shown) for projecting an image from the beam projector.
  • the sensor device 30 is installed to be adjacent to the tennis plate 10 to detect movement information of the first ball hit by the user.
  • the sensor device 30 may include an ultra-high speed camera sensor capable of measuring information such as the escape height, escape angle, travel angle, speed, spin of the first ball.
  • the high speed camera sensor may be a vision or spin type camera device or a line scan camera.
  • the sensor device 30 may include a motion sensor for detecting a user's motion, a displacement sensor or a speed sensor for detecting a displacement or a speed of the first and second balls, and rotation information of the first and second balls.
  • a spin sensor, a surface sensor, and the like may be used to measure the temperature.
  • the spin sensor may be provided in a camera device for capturing an image of a moving object at a high speed.
  • the surface detection sensor is to dig a rectangular groove on the left and right walls and the bottom to form a surface almost the same size as the screen device 20, and the dozens or more than a hundred or more sensors, sensing circuits and laser recognition device in the groove, etc.
  • the installation structure can be applied to the method used in the general indoor sports practice field, a detailed description thereof will be omitted.
  • the ball supply device 40 is provided with at least one so as to be adjacent to the screen device, the tennis plate for the second ball corresponding to the first ball based on the movement information of the first ball detected by the sensor device 30 It is an apparatus to supply to (10).
  • the ball supply device 40 may be disposed in a plurality of positions 40a, 40b, 40c, 40d, 40e, and 40f at a plurality of positions so as to be adjacent to the tennis plate 10.
  • the ball supply device 40 may supply a second ball similar to the first ball hit by the user to the tennis court 10 to allow the user to enjoy an interactive game.
  • the ball supply device 40 may provide a predetermined pattern to the second ball.
  • the preset pattern may be preset for at least one of an escape height, an escape angle, an advancing angle, a speed, and a spin of the second ball.
  • the ball supply device 40 may control the second ball is bound or not bound on the tennis plate 10 by adjusting the speed of the second ball.
  • the ball supply device 40 may be designed in a 1-port, 3-port, 6-port format so that the second ball can be supplied at various positions. In this case, the supply position of the second ball may be organically changed by the central control device 50.
  • the central control unit 50 is a server device that is installed in the building indoor space of the company that provides the tennis practice and game providing service to the user. More specifically, the central control device 50 is provided with a tennis training and game simulation program is installed, by projecting the image information of the tennis item preset by the screen device 20 by the execution of the tennis training and game simulation program, After the second ball corresponding to the first ball is selected, the second ball is controlled to be supplied to the tennis plate 10 in a predetermined pattern through the ball supply device 40 based on the movement information of the first ball. In addition, the central controller 50 calculates the movement trajectory and the falling point of the first ball based on the dynamic information of the first ball, and then calculates the falling point of the first ball and the position information in the image information. Compare and convert the score of the tennis game according to the comparison result and output the converted result.
  • the central control apparatus 50 may include a communication unit 510, an information input unit 520, a blow pattern acquisition unit 530, a supply pattern setting unit 540,
  • the calculator 550 includes a score calculator 560, an image implementer 565, a storage 570, a matcher 580, and a controller 590.
  • the communication unit 510 is a device for transmitting / receiving data with the sensor device 30 or the ball supply device 40 and based on a protocol stack defined in the communication network.
  • the communication channel is connected, and information for the tennis practice and game providing service is transmitted and received using a communication protocol defined in a communication program provided in the sensor device 30 or the ball supply device 40.
  • the present invention is not limited to the type of network, and various wired and wireless communication methods such as Wi-Fi, Zigbee, Bluetooth, 3G, 4G, LTE, LTE-A, 5G, and the like may be applied.
  • the communication unit 510 is connected to the sensor device 30 or the ball supply device 40 through a wired / wireless communication network to transmit / receive user's motion detection information, movement information and control command information of the first and second balls, and the like. .
  • the information input unit 520 is a device for inputting and selecting a user's information for performing tennis practice and game and a tennis action (eg, sub action, forehand action, backhand action, stroke action, etc.) desired by the user during tennis action. to be.
  • the user information may include member information such as ID, password, gender (male, female), age, region of a user who wants to practice and play tennis.
  • the matching unit 580 may match each other to play the game with other uses that match the user's gender, age, age, and region based on the user information.
  • the information input unit 520 may selectively input numbers, alphabets, Korean characters or special characters among information to be displayed through the image implementation unit 565.
  • the information input unit 520 may also input and set authentication information and other notification messages of the user or the central control device 50.
  • the striking pattern acquisition unit 530 is a device for acquiring striking pattern information of the first ball based on the movement information of the first ball sensed by the sensor device 30.
  • the hitting pattern information of the first ball is patterned by analyzing at least one information of the escape height, the escape angle, the propagation angle, the speed, and the spin of the first ball, and the various angle information, the speed, and the spin of the first ball. It may be pitch information of the first ball calculated using the information. Further, the hitting pattern information of the first ball may include whether the first ball is caused by any of a sub, a forehand, a backhand, and a stroke.
  • the supply pattern setting unit 540 is a device for setting the supply pattern of the second ball based on the blow pattern information of the first ball using a preset pattern setting program.
  • the preset pattern setting program analyzes the blow pattern information acquired by the blow pattern obtaining unit 530 to grasp the pitch information of the first ball, and then returns a tennis court when the actual tennis game opponent returns in response to the first ball.
  • the pitch information of the second ball that can be supplied to (10) is calculated, and the supply pattern of the second ball to be supplied to the tennis court 10 is set based on the pitch information of the second ball.
  • the central control unit 50 further includes a step selector for selecting a skill level (eg, beginner level, amateur level, professional level, etc.) of tennis desired by the user for practice and game.
  • the step selector is a device for selecting a user's skill level for tennis.
  • the step selector corresponding to the skill level is displayed on the screen device 20 through the image implementer 565. to provide.
  • the step selector is described as having a separate configuration from the information input unit 520, but the information input unit 520 and the step selector may be implemented in one configuration according to the intention of the designer.
  • the calculation unit 550 calculates the movement trajectory and the falling point of the first ball based on the movement information of the first ball detected by the sensor device 30, and then calculates the movement trajectory and the falling point of the first ball. And position information of a target point in an image provided in the selected tennis operation.
  • the calculator 550 includes a data converter 551, a data analyzer 552, and a comparison calculator 553, as shown in FIG. 4.
  • the data converter 551 converts the movement information of the first ball into position information on coordinates.
  • the data analyzer 552 calculates a flight trajectory and a falling point of the moving object based on the position information of the first ball.
  • the comparison calculator 553 compares the movement trajectory and the falling point of the first ball calculated by the data analyzer 552 with the position information of the target point in the image provided by the selected tennis operation.
  • the score converting unit 560 converts the score of tennis by applying the result compared by the comparison calculating unit 553 to a predetermined score converting program.
  • the score converting program may convert the score of whether the degree of rotation of the first ball or the falling point of the first ball coincides with the position information of the target point in the image provided by the selected tennis operation.
  • the score converting unit 560 may divide a plurality of passing positions through which the first ball is moved through the sensor device 30, and add a predetermined score for each position when the first ball passes to the corresponding position. .
  • the image implementation unit 565 may be provided to the image information provided in the tennis operation and the moving image information of the first ball moved toward the same, the movement trajectory and the falling point of the first ball, the score converted by the score conversion unit 560 It is a device for implementing information on the screen device 20.
  • the image information provided in the tennis operation may provide different images according to the type of each tennis operation and the tennis skill level of the user.
  • the storage unit 570 is a device for storing a tennis practice and game simulation program, a score conversion program, the movement information of the first ball, the movement trajectory and the falling point of the first ball, and the image information provided by the tennis operation.
  • the storage unit 570 stores a program for processing and control of the control unit 590.
  • the storage unit 490 may perform a function for temporarily storing input / output data.
  • the management entity providing the tennis practice and game providing service may delete or store the information stored in the storage 570 through the controller 590 or the image implementer 565.
  • the storage unit 570 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), RAM, SRAM, ROM, EEPROM, PROM magnetic memory, magnetic disk, It may include at least one type of storage medium of the optical disk.
  • the image information may be set in stages, such as the sub, receive, forehand, backhand, stroke level of the attacker hitting the first ball.
  • the matching unit 580 is a device for performing a practice game by matching a plurality of users by skill level based on user information. Accordingly, the matching unit 580 may match a plurality of users with each other according to skill level similar to the practice and game of tennis desired to perform the practice and the game.
  • the control unit 590 controls the operation of each component constituting the central control unit 50, projecting the image information of the tennis event preset by the screen device 20, the second ball corresponding to the first ball After the selection, the second ball is controlled to be supplied to the tennis plate 10 in a predetermined pattern through the ball supply device 40 based on the movement information of the first ball.
  • the controller 590 calculates the movement trajectory and the falling point of the first ball based on the movement information of the first ball, and then compares the calculated falling point of the first ball with the position information in the image information. After converting the score of the tennis game according to the comparison result, it can be controlled to output the converted result.
  • the tennis practice and game simulation system using this screen may be formed of a main management unit that receives users participating in tennis practice and games and proceeds to practice games and game operations.
  • the main management unit may distribute the necessary data as required by the configuration of each area, and may also integrate the necessary data from the configuration of each area according to the instructions.
  • the main manager may include at least one server to control member management, practice and game management, practice and game record management, revenue management and lamps, room temperature, humidity, and watering.
  • the present invention having the configuration as described above can be installed and used without distinction between outdoor and indoor, it is possible to enjoy the practice and game of tennis even in rainy weather.
  • the tennis practice and game simulation system using this screen further includes an automatic ball retrieval device for automatically retrieving the first ball hit by the user so that the user does not need to pick up the first ball directly.
  • the tennis practice and game simulation system using this screen configured as described above can implement a tennis game, that is, a simulation program for tennis practice and game on the screen, and utilize the rotating body recognition ultra-precision spin sensor technology to give the user the score of the actual serve. Maggie can play the game.
  • a tennis game that is, a simulation program for tennis practice and game on the screen
  • Maggie can play the game.
  • a plurality of users are registered as a user, the sub is put into place using the first ball, and the game is performed with a score converted according to the degree of defense for the second ball, and the image information is the level of the user who performs tennis practice and the game. Depending on the level of difficulty as a beginner amateur professional can proceed.
  • the tennis practice and game simulation system using the screen according to an embodiment of the present invention configured as described above, to create the same environment as the tennis court on the screen in the same way to practice and play tennis on the field, in front of the screen Because the screen and the user to perform the tennis practice and game desired by the user, it is possible to stimulate the interest in tennis and improve the skills of the tennis event.
  • the embodiment of the present invention can perform tennis practice and game by matching users who are similar in level with themselves, it is possible to simultaneously provide users with enjoyment and skill improvement of practice and game.
  • the system since the system automatically responds to the first ball hit by the user and supplies the second ball, the user may be interested in inducing a desire to catch the second ball. In this way, the tennis game can be exciting.
  • the recognition performance of the camera may be disturbed on the outer surface of the sensor device 30 due to the amount of light for each wavelength band that varies according to the irradiation amount of sunlight, only the wavelength band of the casting name that is transmitted for information recognition is selectively selected.
  • a coating material (not shown) or a filter member (not shown) may be provided to filter the filter. In this way, by significantly reducing the width of the illumination intensity change during the sensing operation of the sensor device 30, it is possible to improve the ball recognition performance of the camera.
  • central control unit 510 communication unit
  • supply pattern setting unit 550 arithmetic unit
  • comparison calculation unit 560 score conversion unit
  • Image implementation unit 570 Storage unit

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Abstract

La présente invention concerne, dans un mode de réalisation, un système de simulation de match et de pratique du tennis à l'aide d'un écran. L'objectif de la présente invention est de permettre à un utilisateur de pratiquer le tennis ou de jouer un match de tennis seul en utilisant un écran de la même manière que le tennis est pratiqué et qu'un match de tennis est joué sur un court. Dans ce but, un mode de réalisation de la présente invention concerne un système de simulation de match et de pratique du tennis à l'aide d'un écran, comprenant : un plateau de tennis pour fournir un espace pour pratiquer pour un événement de tennis et jouer un match de tennis ; un dispositif de type écran prévu sur une surface avant du plateau de tennis, de manière à correspondre au plateau de tennis de manière biunivoque ; un dispositif de type capteur prévu adjacent au plateau de tennis de manière à détecter des informations de mouvement d'une première balle frappée par un utilisateur ; au moins un dispositif de fourniture de balles prévu adjacent au dispositif de type écran de manière à fournir une seconde balle, correspondant à la première balle, au plateau de tennis sur la base des informations de mouvement ; et un dispositif de commande central ayant un programme de simulation, installé à l'intérieur, pour la pratique du tennis et un match de tennis, projetant des informations d'image d'un événement de tennis prédéfini sur le dispositif de type écran par l'exécution du programme de simulation pour la pratique du tennis et un match de tennis, puis sélectionnant la seconde balle correspondant à la première balle de manière à commander la seconde balle, de sorte que la seconde balle soit fournie au plateau de tennis dans un motif prédéfini par le biais du dispositif de fourniture de balle, sur la base des informations de mouvement de la première balle.
PCT/KR2016/001204 2015-10-02 2016-02-03 Système de simulation de match et de pratique du tennis à l'aide d'un écran WO2017057806A1 (fr)

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KR1020150138876A KR101586462B1 (ko) 2015-10-02 2015-10-02 스크린을 이용한 테니스 연습 및 게임 시뮬레이션 시스템
KR10-2015-0138876 2015-10-02

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KR101894950B1 (ko) 2017-05-02 2018-10-24 김창식 스크린 배드민턴 연습장치
CN110622212A (zh) * 2017-05-15 2019-12-27 富士通株式会社 表演显示程序、表演显示方法以及表演显示装置

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KR101790747B1 (ko) * 2016-06-30 2017-10-26 (주)나라소프트 스크린 배드민턴 게임을 제공하기 위한 시스템
KR101783835B1 (ko) * 2016-08-01 2017-10-10 김창식 배드민턴 시뮬레이션 장치
KR102045443B1 (ko) * 2017-09-15 2019-12-02 주식회사 뉴딘콘텐츠 가상 테니스 시뮬레이션을 위한 테니스 인공지능 구현 방법, 이를 이용한 가상 테니스 시뮬레이션 시스템 및 방법과, 이를 기록한 컴퓨팅장치에 의해 판독 가능한 기록매체
KR102045454B1 (ko) * 2018-06-25 2019-11-15 주식회사 뉴딘콘텐츠 볼의 운동에 대한 센싱장치 및 그 센싱방법
KR102146358B1 (ko) * 2018-09-12 2020-08-20 주식회사 뉴딘콘텐츠 볼의 운동에 대한 센싱방법 및 이를 이용한 센싱장치
KR20200034219A (ko) 2018-09-21 2020-03-31 주식회사 티엘인더스트리 스크린 배드민턴 제어방법 및 그를 위한 시스템
KR102260997B1 (ko) 2019-05-20 2021-06-04 김동수 실내 트레킹 시스템
KR102265914B1 (ko) * 2020-09-04 2021-06-16 권예찬 테니스 자율훈련 시스템

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