KR101818959B1 - Baseball pitching speed and accuracy with a ball screen measuring machine - Google Patents

Baseball pitching speed and accuracy with a ball screen measuring machine Download PDF

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Publication number
KR101818959B1
KR101818959B1 KR1020160010056A KR20160010056A KR101818959B1 KR 101818959 B1 KR101818959 B1 KR 101818959B1 KR 1020160010056 A KR1020160010056 A KR 1020160010056A KR 20160010056 A KR20160010056 A KR 20160010056A KR 101818959 B1 KR101818959 B1 KR 101818959B1
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KR
South Korea
Prior art keywords
ball
baseball
main body
user
screen
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Application number
KR1020160010056A
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Korean (ko)
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KR20170089620A (en
Inventor
윤태수
윤창옥
전봉대
이현태
황기현
조덕용
Original Assignee
동서대학교 산학협력단
전봉대
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Priority to KR1020160010056A priority Critical patent/KR101818959B1/en
Publication of KR20170089620A publication Critical patent/KR20170089620A/en
Application granted granted Critical
Publication of KR101818959B1 publication Critical patent/KR101818959B1/en

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0003—Analysing the course of a movement or motion sequences during an exercise or trainings sequence, e.g. swing for golf or tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0062—Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/0002—Training appliances or apparatus for special sports for baseball
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/0002—Training appliances or apparatus for special sports for baseball
    • A63B2069/0004—Training appliances or apparatus for special sports for baseball specially adapted for particular training aspects
    • A63B2069/0006—Training appliances or apparatus for special sports for baseball specially adapted for particular training aspects for pitching
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
    • A63B2069/401—Stationarily-arranged devices for projecting balls or other bodies substantially vertically, e.g. for baseball
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/17—Counting, e.g. counting periodical movements, revolutions or cycles, or including further data processing to determine distances or speed
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/30—Speed

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The present invention relates to a baseball pitching screen having a baseball pitching screen for displaying the coordinates and constraint of a baseball ball thrown when a user throws a baseball ball into an image displayed on the screen unit, Provides an accuracy measuring machine. The present invention can automatically collect and supply the baseball ball thrown by the user so that the user does not have to collect the baseball ball separately after throwing the baseball ball and can reduce the time required to collect the baseball ball, It has an effect of making it pleasant. In addition, since the safety cover is formed at the upper end of the main body, even if the user can not accurately align the baseball ball with the screen portion, the baseball ball is not released by the safety cover. Therefore, There is an effect that can be done.

Description

Technical Field The present invention relates to a ball speed and accuracy measuring machine having a baseball pitching screen,

More particularly, the present invention relates to a ball speed and accuracy measuring machine provided with a baseball pitching screen, and more particularly, to a ball speed and accuracy measuring machine having a baseball pitching screen, And more particularly, to a ball speed and accuracy measuring machine equipped with a baseball pitching screen that allows baseball practice, especially pitching practice, to be more enjoyable.

In general, the general public also wishes to experience the same kind of experience as a real baseball game, due to the domestic and foreign professional baseball heat. In the past, the baseball field is located in a space surrounded by net in all directions. A pitching machine throws the ball, and the batter is hit by the batter.

However, there is a limitation in that it is not possible to practice other positions other than the batter, because it is possible to practice only the batting which is limited to the player simply putting the batter into the batter and swinging the ball, .

According to the present invention, there is provided a pitching exercise device (100) comprising a case (111), a case (111), a case A strike zone plate 120 coupled to a front surface of the pitcher exerciser 100 and having a plurality of strike zones 121 drawn thereon, a power supply unit for supplying power to the pitcher exerciser 100, And a display unit for outputting data by the control unit.

In addition, the pitching practice field of the patent document 2 includes a pedestal 110 installed on the ground, a pedestal 112 installed on the pedestal 110 to receive the baseball, A pair of right and left upper and lower frames 120a to 120d which are spaced apart from each other by a supporting frame in front of the ball receiver 11 so as to be able to pass the ball into the inside of the ball, A first sensor unit 130 installed to detect coordinates of a passing position of a baseball ball passing through the left and right upper and lower frames 120a to 120d, A control unit 140 for detecting coordinates of the passing position of the ball to determine a strike or a ball, a control unit 140 for controlling the first sensor unit 130 so as to protect the first sensor unit 130 from a pitcher- And a protective member (150) installed at the front side The.

However, since the conventional pitching exercise apparatus has no means for collecting the baseball ball thrown by the user, it is troublesome to collect the baseball ball directly after throwing the baseball ball.

In addition, since there is no separate safety device in the vicinity of the pitch practice device, there is a risk of a safety accident if the user throws the baseball and does not hit the pitch practicing device correctly.

Patent Document 1: Korean Patent Registration No. 10-1193108 entitled " Patent Document 2: Korean Registered Utility Model No. 20-0469292 "Helmet Practice Apparatus"

Accordingly, the present invention has been proposed in order to solve such a conventional problem, and it is an object of the present invention to provide a baseball game in which when a user becomes a pitcher and displays a coordinate and a constraint on a baseball ball thrown by throwing a baseball ball on an image displayed on the screen, And to provide a ball speed and accuracy measuring machine equipped with a new type of baseball pitching screen.

In addition, the user can automatically collect and supply the baseball ball thrown by the user so that the user does not need to collect the baseball ball separately after throwing the baseball ball, and the time for collecting the baseball ball is reduced, And to provide a ball speed and accuracy measuring machine equipped with a new type of baseball pitching screen.

In addition, since the safety cover is formed at the upper end of the main body, even if the user can not accurately align the baseball ball with the screen portion, the baseball ball is not released by the safety cover. Therefore, And to provide a ball speed and accuracy measuring machine with a new type of baseball pitching screen that can be used.

According to an aspect of the present invention for achieving the above-described object, there is provided a golf club head comprising: an inclined portion (22) formed on a ground surface and having an upper surface inclined downwardly from a rear end portion to a front end portion; 24; < / RTI > A screen unit 30 installed vertically at an upper rear end of the main body 20 and displaying an image, and a baseball ball thrown by a user is struck; A safety cover 40 installed at an upper end of the main body 20 at a height corresponding to the screen 30 to prevent a user from throwing the baseball ball into the screen unit 30 without coming off; A ball supply unit 50 installed inside the main body 20 for supplying a baseball ball to a user through a discharge hole 24 of the main body 20; And a control unit (60) for selecting an image displayed on the screen unit (30) and controlling a supply state of the ball supplied to the ball supply unit (50).

In the ball speed and accuracy measuring machine provided with the baseball pitching screen according to the present invention, the screen unit 30 includes a frame 32 of a rectangular frame shape, which is installed vertically to the upper rear end of the main body 20; A sensor (34) installed in the frame (32) for detecting coordinates of a passing position of the baseball hole passing through the frame (32); A display 36 located at the rear side of the frame 32 and displaying at least one of a grid strike zone, a catcher and an image of a fielder, and displaying the coordinates of the baseball ball detected through the sensor 34, Wow; Includes an elastic member (38) for securing the display (36) to the frame (32) and for alleviating the impact the baseball ball thrown by the user hits the display (36) .

In the ball speed and accuracy measuring machine equipped with the baseball pitching screen according to the present invention, the sensor 34 is an infrared ray sensor.

In the ball speed and accuracy measuring machine equipped with the baseball pitching screen according to the present invention, the passing time of the start point and the end point of the baseball ball sensed by the sensor 34 is detected, And displays the constraint on the display 36. FIG.

In the ball speed and accuracy measuring machine provided with the baseball pitching screen according to the present invention, the ball supply part 50 has one side communicated with the end part of the inclined part 22 of the main body 20, And a discharge port 524 communicating with the discharge hole 24 of the main body 20. The discharge port 522 is formed between the discharge port 522 and the discharge port 524, A ball storage portion 52 having a moving passage 526 through which the inserted baseball ball moves; And a controller 54 connected to the control unit 60 and disposed outside the end of the moving path 526 for sequentially discharging the baseball balls discharged through the discharge port 524 one by one. do.

In the ball speed and accuracy measuring machine provided with the baseball pitching screen according to the present invention, the ball 522 of the ball storage part 52 is formed to be gradually narrowed to be connected to the movement passage 526, 526, and the movement passage 526 is characterized by a zigzag shape of a space in which the baseball ball is moved one by one.

In a ball speed and accuracy measuring machine equipped with a baseball pitching screen according to the present invention, an audio output unit (not shown) installed in the main body 20 for outputting audio data determined by strike, ball, 70).

As described above, according to the ball speed and accuracy measuring machine provided with the baseball pitching screen according to the present invention, when the user becomes a pitcher and displays the coordinates and constraint of the baseball ball thrown when the baseball ball is thrown on the image displayed on the screen, In particular, there is an effect that the pitching exercise can be made more enjoyable.

In addition, the user can automatically collect and supply the baseball ball thrown by the user so that the user does not need to collect the baseball ball separately after throwing the baseball ball, and the time for collecting the baseball ball is reduced, There is an effect to be able to do.

In addition, since the safety cover is formed at the upper end of the main body, even if the user can not accurately align the baseball ball with the screen portion, the baseball ball is not released by the safety cover. Therefore, There is an effect that can be done.

1 is a perspective view of a ball speed and accuracy measuring machine with a baseball pitching screen according to a preferred embodiment of the present invention,
FIG. 2 is a view showing a screen in a ball speed and accuracy measuring machine provided with a baseball pitching screen according to a preferred embodiment of the present invention; FIG.
3 is a view showing a baseball ball passing through a sensor of a screen portion in order to calculate a constraint of the baseball in a ball speed and accuracy measuring machine provided with a baseball pitching screen according to a preferred embodiment of the present invention;
4 is a view showing a ball supply unit in a ball speed and accuracy measuring machine provided with a baseball pitching screen according to a preferred embodiment of the present invention,
5A to 5D are views showing images and constraints displayed on a screen unit in a ball speed and accuracy measuring machine provided with a baseball pitching screen according to a preferred embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In FIGS. 1 to 5D, the same reference numerals are used for components performing the same functions. In the drawings and the detailed description, detailed description of specific elements and functions of elements not directly related to the technical features of the present invention will be omitted. .

1 to 5D, a ball speed and accuracy measuring machine 10 having a baseball pitching screen according to a preferred embodiment of the present invention includes a main body 20, a screen portion 30, a safety cover 40, A ball supply unit 50, and a control unit 60. [

The main body 20 is formed in a box shape and is provided on the ground surface. The main body 20 has an inclined portion 22 whose upper surface is inclined downwardly from the rear end to the front end, and a discharge hole 24, Respectively.

A ball feeding part 50 is provided at the front end of the main body 20 and a pedestal 26 is provided at an upper part of the ball feeding part 50. The screen part 30 and / And a control unit 60 connected to the ball supply unit 50 is installed.

The screen portion 30 is vertically installed at the upper rear end portion of the main body 20 and displays an image and is installed vertically at the upper rear end portion of the main body 20, A sensor 34 for detecting the coordinates of the passing position of the baseball hole provided on the frame 32 through the frame 32 and a sensor 34 provided on the rear side of the frame 32 A display 36 displaying at least one of a stripe zone in the form of a lattice, an image of a catcher, and a fielder and displaying the coordinates of the baseball ball detected through the sensor 34; And an elastic member 38 for releasing the impact of the display 36 against the display 36 when the user throws the baseball ball against the display 36. [

The sensor 34 is composed of an infrared sensor 34a and is disposed at an interval set on the inner surface of the upper part of the frame 32. An infrared ray emitted from the infrared sensor 34a is reflected on the inner bottom surface of the frame 32 A reflection plate 34b is provided. At this time, the setting interval at which the sensor 34 is installed is preferably about 1/2 of the size of the baseball ball.

When the sensor 34 is installed on the inner side of the frame 32 and the baseball ball thrown by the user passes the sensor 34, the sensor 34 detects the position of the baseball ball and detects the position of the baseball ball.

The restraint of the baseball is detected by detecting the passing time of the start point and the end point of the baseball ball detected by the sensor 34 and calculating the restraint of the baseball ball through the time difference between the start point and the end point, You will be able to notify the user. Here, the starting point of the baseball ball sensed by the sensor 34 refers to the first point at which the baseball ball is sensed by the infrared ray of the sensor 34 as shown in FIG. 3A, (b), the baseball ball passes through the frame 32 and refers to the last point detected by the infrared ray of the sensor 34, so that the constraint of the baseball ball can be calculated through the difference in the passing time of the two points .

The display 36 displays the position of the baseball ball detected by the sensor 34 as shown in FIGS. 5A to 5D, displays the restraint of the baseball ball, and displays the image selected by the control unit 60 do. That is, any one or more images selected by the user among the images of strike zones, catchers, and fielders in a lattice shape are selected and displayed.

The elastic member 38 is for fixing the display 36 on the frame 32 so as to alleviate the impact of the display 36 on the baseball ball thrown by the user and is preferably made of a spring.

As described above, the ball speed and accuracy measuring machine 10 provided with the baseball pitching screen according to the preferred embodiment of the present invention calculates the position and constraint of the baseball through the sensor 34, By configuring the screen portion 30 to display the position and constraint of the baseball through the display 36, the user can easily ascertain his or her baseball skills, i.e., the control and restraint, It is effective.

The safety cover 40 is provided to prevent a baseball ball thrown by a user from escaping from the screen unit 30. The safety cover 40 is provided at the upper end of the main body 20 with a side end safety cover And a top safety cover 44 horizontally installed on the upper side of the screen unit 30 in the direction of the front end of the main body 20. [

The side end safety cover 42 is composed of a fixed cover 422 fixed to the upper side end portion of the main body 20 and a foldable cover 424 rotatably and foldably coupled to the fixed cover 422. At this time, the foldable cover 424 is hinged to the fixed cover 422 and is formed in a straight line with the fixed cover 422 or in a direction perpendicular to the fixed cover 422 according to the user's selection, Thereby preventing a person on the rear end side of the main body 20 from coming into contact with the baseball ball.

The ball supply unit 50 is provided inside the main body 20 to supply the baseball ball to the user through the discharge hole 24 of the main body 20. The ball supply unit 50 is provided on one side of the inclined part 22 of the main body 20 And a discharge port 524 communicating with the discharge hole 52 of the main body 20 and communicating with the discharge hole 24 of the main body 20. The discharge port 522 is formed between the discharge port 522 and the discharge port 524 A ball storage portion 52 having a moving passage 526 through which the baseball ball inserted through the inlet 522 moves and a ball outlet 524 connected to the control portion 60 and provided outside the end of the moving passage 526, And a controller (54) for sequentially ejecting the baseball balls discharged through the baseball balls one by one. At this time, the input port 522 is formed to be gradually narrowed and connected to the moving path 526, and the moving path 526 is formed in a zigzag shape of a space in which the ball is moved one by one, and is formed to be inclined so that the ball can move.

The control unit 60 is for controlling an image displayed on the display 36 of the screen unit 30 and controlling the supply state of the baseball ball supplied to the ball supply unit 50, That is, on the pedestal 26.

Meanwhile, in a ball speed and accuracy measuring machine 10 equipped with a baseball pitching screen according to a preferred embodiment of the present invention, data determined by strike, ball, and out, installed in the main body 20, And an audio output unit 70 for outputting audio data.

The audio output unit 70 may be connected to the control unit 60 to inform the user of the constraint of the baseball ball detected by the screen unit 30. [

A coin device 80 may be installed on the front end of the main body 20 so that when a coin is inserted into the coin device 80, .

Meanwhile, in the machine 10 for measuring a ball speed and accuracy provided with a baseball pitching screen according to the preferred embodiment of the present invention, the coin device 80 can be used for the amount of money inputted by inputting coins. However, Yes, you will be able to pay not only coins but also bills, cards, mobile payments, and so on.

By including the coin device 80 in this way, it is possible to use the coin device 80 as much as the amount of money that is installed in a park, a playground,

As described above, according to the ball speed and accuracy measuring machine 10 equipped with a baseball pitching screen according to the present invention, when the user is a pitcher and throws a baseball ball on an image displayed on the screen unit 30, It is effective to make baseball practice, especially pitching exercise, more enjoyable.

In addition, the user can automatically collect and supply the baseball ball thrown by the user so that the user does not need to collect the baseball ball separately after throwing the baseball ball, and the time for collecting the baseball ball is reduced, There is an effect to be able to do.

Since the safety cover 40 is formed at the upper end of the main body 20, even if the user can not accurately align the baseball with the screen 30, the baseball is not removed by the safety cover 40, It has the effect of preventing people from hitting the baseball ball and injuring them.

Although the ball speed and accuracy measuring machine having a baseball pitching screen according to the preferred embodiment of the present invention has been described above with reference to the above description and drawings, the present invention is merely illustrative and not restrictive, It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention.

10: Ball speed and accuracy measuring machine with baseball pitching screen
20: main body 22:
24: discharge hole 30:
32: Frame 34: Sensor
36: Display 38: Elastic member
40: safety cover 50: ball supply part
52: ball storage part 522:
524: Outlet port 526:
54: controller 60:
70: Audio output unit

Claims (7)

A body 20 having an inclined portion 22 formed on the ground and having an upper surface inclined downwardly from a rear end portion to a front end portion and having a discharge hole 24 formed to discharge a baseball hole at a front end portion thereof;
A screen unit 30 installed vertically at an upper rear end of the main body 20 and displaying an image and hit by a baseball ball thrown by a user;
A safety cover 40 installed at an upper end of the main body 20 at a height corresponding to the screen 30 to prevent a user from throwing the baseball ball into the screen unit 30 without coming off;
A ball supply unit 50 installed inside the main body 20 for supplying a baseball ball to a user through a discharge hole 24 of the main body 20;
And a control unit (60) for selecting an image displayed on the screen unit (30) and controlling a supply state of the ball supplied to the ball supply unit (50);
The screen unit 30 includes a rectangular frame 32 installed vertically at an upper rear end of the main body 20;
A sensor (34) installed in the frame (32) for detecting coordinates of a passing position of the baseball hole passing through the frame (32);
A display 36 located at the rear side of the frame 32 and displaying at least one of a grid strike zone, a catcher and an image of a fielder, and displaying the coordinates of the baseball ball detected through the sensor 34, Wow;
Includes an elastic member (38) for securing the display (36) to the frame (32) and for alleviating the impact the baseball ball thrown by the user hits the display (36) And a ball speed and accuracy measuring machine equipped with a baseball pitching screen.
delete The method according to claim 1,
Characterized in that the sensor (34) is an infrared sensor.
The method of claim 3,
Wherein the sensor (34) detects the passing time of the starting point and the ending point of the baseball ball detected by the sensor (34) and calculates the restraint of the baseball ball through the time difference between the starting point and the ending point, Ball speed and accuracy measuring machines with pitching screens.
The method according to claim 1,
The ball supply unit 50 has a charging port 522 through which one end of the ball supply unit 50 communicates with an end of the inclined portion 22 of the main body 20 and the other end of the ball supply unit 50 is connected to the discharge hole 24 of the main body 20, A ball storage portion 52 having a discharge port 524 communicated with the discharge port 522 and having a movement path 526 formed between the discharge port 522 and the discharge port 524 and through which the baseball ball inserted through the discharge port 522 moves, ;
And a controller 54 connected to the control unit 60 and disposed outside the end of the moving path 526 for sequentially discharging the baseball balls discharged through the discharge port 524 one by one. Ball speed and accuracy measuring machine with a baseball pitching screen.
6. The method of claim 5,
The ball 522 of the ball storage unit 52 is formed to be gradually narrowed to be connected to the movement passage 526 to move the baseball ball through the movement passage 526,
Wherein the moving pathway (526) comprises a zigzag shape of a space in which the baseball ball is moved one by one.
The method according to claim 1,
Further comprising an audio output unit (70) installed in the main body (20) for outputting audio data determined by strike, ball, and out of a baseball ball thrown by a user by voice. Accuracy measuring machine.
KR1020160010056A 2016-01-27 2016-01-27 Baseball pitching speed and accuracy with a ball screen measuring machine KR101818959B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230108197A (en) * 2022-01-10 2023-07-18 유성민 Foldable golf practice

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102009977B1 (en) * 2018-04-25 2019-10-21 (주)에이치엠솔루션 Multimedia indoor sports game system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002136629A (en) * 2000-11-06 2002-05-14 Taito Corp Pitching game machine
JP2002534238A (en) * 1999-01-14 2002-10-15 マーク ジェイ ラッパポート Apparatus for enabling controlled propulsion of an object to a receiving member
KR200469292Y1 (en) 2013-05-03 2013-10-02 최성국 pitching training device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002534238A (en) * 1999-01-14 2002-10-15 マーク ジェイ ラッパポート Apparatus for enabling controlled propulsion of an object to a receiving member
JP2002136629A (en) * 2000-11-06 2002-05-14 Taito Corp Pitching game machine
KR200469292Y1 (en) 2013-05-03 2013-10-02 최성국 pitching training device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230108197A (en) * 2022-01-10 2023-07-18 유성민 Foldable golf practice
KR102576145B1 (en) * 2022-01-10 2023-09-08 유성민 Foldable golf practice

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