JP2010187379A - Portable display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable display device in which the motion of a player or the like can be photographed and stored, that video image can be repeatedly played back, played back after being delayed by a predetermined time, or played back by an external device. <P>SOLUTION: The portable display device 1 includes: a body 2 formed of a front face and a back face shaped individually; a display section 3 such as a liquid crystal screen mounted on the front face of the body 2; a camera 4, function mode selecting switch 6, video recording switch 7, stop switch 8 and speaker 9 disposed on an end part of the front face of the body 2; a sensor 80 mounted on the front face of the body 2; a stand 11 mounted on the back face of the body 2; and a general-purpose port 15, power supply port 20, NTSC port 31 and S-VIDEO port 32 disposed on the side of the stand 11. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a portable display device that can store an image of a person who is exercising or practicing, correct the posture (motion) by analyzing the reproduced image, and optimize the posture.

  In recent years, sports have been introduced as a part of recreation not only at home but also at work, and many people enjoy various types of sports. Some people may fall into a situation where they have to challenge a sport that they have never experienced before. However, in any sport, it is important to first acquire a basic posture and movement.

  Taking golf as an example, the movement is roughly divided into five: address, back swing, down swing, impact, and finish. In each of these operations, it is important to accurately acquire the swing angle and trajectory, swing time and rhythm, weight shift, and the like.

In sports other than golf, such as shooting and bows, it is necessary to learn basic actions in order to improve. For this reason, athletes of these sports have practiced basic movements while confirming their appearance in a large mirror. However, it is difficult to continue the predetermined operation while looking at the mirror. In addition, it is not easy to accurately reproduce the movement by relying on the memory of the figure reflected in the mirror.
Therefore, in order to solve such a problem, research and development have been actively conducted on an apparatus that can easily record / reproduce motions of athletes and the like. A number of inventions and devices have already been disclosed so far.

For example, in Patent Document 1, there are two swing scenes (motions) performed by a teacher under the name of “operation of physical technique and system and method for measurement and evaluation of equipment used to perform this physical technique”. An invention relating to a system and method for capturing with a digital camera and storing it in a storage device of a computer is disclosed.
The invention disclosed in Patent Document 1 can be overwritten by setting an ideal (excellent) operation (image) for an operation performed by a teacher in a video stored in a hard drive storage device. It has a structure.
According to such a structure, the video captured on the training monitor, the selected video (ideal operation), and the evaluation result (equipment compatibility and operation) can be displayed (displayed) on the video display card.

Patent Document 2 discloses an invention relating to a method and system for analyzing and teaching exercise.
In the invention disclosed in Patent Document 2, a performer (user) wearing a waistcoat, a belt, and gloves each equipped with a sensor swings in a club with a wireless sensor (wireless sensor club), and the operation is video After taking a picture with a camera, the video is analyzed by a computer system, and the result is displayed graphically.
According to such a method, it is possible to provide appropriate guidance based on the vests, belts, gloves, and club trajectories analyzed based on the video taken by the video camera.

Further, Patent Document 3 discloses an invention relating to a personal portable terminal capable of analyzing a moving image of a golf swing motion, a golf swing moving image analysis method using the personal portable terminal, and a golf lesson system.
The invention disclosed in Patent Document 3 captures a golfer's swing with a personal mobile terminal or a mobile phone combined with the personal mobile terminal, and directly reproduces the video on the personal mobile terminal. It is structured so that an appropriate display can be drawn directly on the video using an analysis tool. It also has functions such as a data communication function, a mobile phone function, a golf course geographic analysis function, and a record management function.
According to such a structure, a problem in the swing operation can be easily grasped. Therefore, it is possible to correct the swing by giving an appropriate instruction to the golfer.

Korean Published Patent No. 2007-32628 Korean Published Patent No. 2007-95407 Specification Korean Published Patent No. 2007-819564

  However, the invention disclosed in Patent Document 1 which is the above-described prior art is a configuration in which an image captured by a digital camera and an ideal image stored in a hard disk drive storage device are superimposed and displayed on a training monitor. It is difficult to clearly identify the person's actions, and efficient management is not possible. Moreover, since it was comprised so that a learner's operation | movement might be calculated arithmetically, there existed a subject that the characteristic of a learner was disregarded and it became what was shaped.

  In addition, the invention disclosed in Patent Document 2 is merely a sensor that has been conventionally attached to the body of the performer attached to a waistcoat, a belt, a glove, and a club. In addition, the flow line of each sensor is displayed graphically, and the test results are displayed based on the performance data of the saved library (Library), so it is difficult to objectively determine the performer's behavior analysis. There was a problem.

  The invention disclosed in Japanese Patent Laid-Open No. 2004-228867 cannot simply grasp the operating state because the captured video is simply played on a personal mobile terminal or a mobile phone combined with the personal mobile terminal, and the video is temporarily stopped. Since the display cannot be overlapped unless it is in the state, there is a problem that the operation cannot be efficiently analyzed. Also, since PDA (Personal Digital Assistant) and mobile phone screens used in personal portable terminals are too small, it is extremely difficult to accurately grasp images. In particular, in conventional devices such as those described above, when displaying video shot with a camera, it is not possible to play repeatedly while slow playback (slow motion) or unspecified unit time is delayed. There was a problem that the degree was low. In addition, there is a problem that video materials stored in a display device (portable terminal) cannot be played back on other devices (computer or digital camera) using USB (Universal Serial Bus) or LAN (local area network). was there. In addition, there are too many complicated functions such as data communication function, mobile phone function, golf course geo-analysis function, record management function, etc., and there is a problem that the device cannot be used efficiently and the product price becomes high. there were. And when any one function broke down, there was a problem that other functions could not be used.

  The present invention has been made in response to such a conventional situation, and captures and saves the action of the athlete, etc., and repeatedly plays the video, or plays it with a delay of a predetermined time. Another object is to provide a portable display device that can be played back by an external device.

In order to achieve the above object, a portable display device according to a first aspect of the present invention includes a camera that captures an image of a subject, a display unit that displays an image captured by the camera, a memory that stores the image, and a camera. And a display unit and a control unit for controlling the operation of the memory. The control unit reads out the video stored in the memory, and incorporates delay reproduction means for delaying the image by a preset time and displaying it on the display unit. It is characterized by this.
In the portable display device having such a structure, when a player who is a subject finishes an action within a delay time, an image of the action is automatically reproduced.

According to a second aspect of the present invention, in the portable display device according to the first aspect of the present invention, the portable display device includes a sensor that detects a subject and sends a detection signal to the control unit. The camera that receives the command signal starts shooting.
According to the portable display device having such a structure, there is an effect that photographing is automatically started without a player or the like as a subject operating the camera.

According to a third aspect of the present invention, in the portable display device according to the first or second aspect, the portable display device includes a port that is connected to the control unit and outputs an electrical signal representing an image to the outside. It is.
In the portable display device having such a structure, when an external monitor or the like is connected to the port, an image captured by the camera and stored in the memory is played back on the external monitor or the like.

  As described above, in the portable display device according to claim 1 of the present invention, by reading the video stored in the memory, it can be repeatedly reproduced on the display unit regardless of the time and place. In addition, the athlete can immediately check the video following the end of the movement. This makes it possible to accurately analyze one's movement while the memory is new.

  According to the portable display device of the second aspect of the present invention, the athlete or the like who is the subject can concentrate on his / her movement without being aware of the camera.

  In the portable display device according to claim 3 of the present invention, it is possible to efficiently analyze the motion and correct the posture by displaying the video stored in the memory on an external device such as a computer or a digital camera. it can.

(A) And (b) is an external appearance perspective view of the Example of the portable display apparatus which concerns on embodiment of this invention, respectively. It is a block diagram of the apparatus which comprises the portable display apparatus of a present Example. It is the figure which showed a mode that the display screen switched in the portable display apparatus of a present Example. It is a figure which shows the mode setting and operation | movement procedure in the portable display apparatus of a present Example. It is a figure which shows the operation | movement procedure in the slow motion mode of 1/4 time speed of the portable display apparatus of a present Example.

  A specific structure and operation of the portable display device of this embodiment will be described with reference to FIGS.

  FIGS. 1A and 1B are external perspective views of examples of the portable display device according to the embodiment of the present invention, and FIG. 2 is a block diagram of devices constituting the portable display device of this example. It is. FIG. 3 is a diagram showing how the display screen is switched in the portable display device of this embodiment, and FIG. 4 is a diagram showing mode setting and operation procedures in the portable display device of this embodiment. FIG. 5 is a diagram showing an operation procedure in the 1/4 × slow motion mode of the portable display device of this embodiment.

  As shown in FIG. 1 (a), the portable display device 1 of this embodiment is mounted on the front surface of the main body 2 and the main body 2 which is formed individually and is joined by fixing means such as screws. A display unit 3 composed of a liquid crystal screen or the like, a camera 4 disposed at the front end of the main body 2, a control unit, and a speaker 9. Note that the size of the display unit 3 is at least 6 inches, preferably 8 to 14 inches, so that a reproduced image (motion) can be sufficiently identified. The control unit includes a function mode selection switch 6 for selecting various functions, a recording switch 7 for saving an image taken by the camera 4, and a stop switch 8 for switching between reproduction and pause of a moving image. . Further, a sensor 80 is attached to the front surface of the main body 2 to detect that the subject is in the shootable range.

  As shown in FIG. 1 (b), a stand 11 is attached to the back of the main body 2. On the side of the stand 11, a general-purpose port 15, a power port 20, an NTSC port 31, and an S-VIDEO port 32, A charging port 40, a serial port 50, a USB port 60, and an Ethernet (registered trademark) port 70, which will be described later with reference to FIG. 2, are installed. Further, a stand storage portion 10 is formed in the center of the back surface of the main body 2 so that the lower end side is opened, and both end portions are inserted into shaft holes 10a and 10a provided to face the upper end of the inner surface of the stand storage portion 10. The vicinity of the upper end of the stand 11 is pivotally supported by the shaft 11a. That is, the stand 11 is attached to the main body 2 so as to be rotatable about a shaft 11a, and can be stored in the stand storage portion 10 by rotating to the main body 2 side. Further, a fastener 10b is formed on the inner side surface of the stand storage unit 10 so that the stand 11 does not rotate carelessly and is not detached from the stand storage unit 10. Further, when the stand 11 is opened and the portable display device 1 is stood, the rotation angle of the stand 11 is limited by a locking tool (not shown) so that the main body 2 is stabilized. In addition, a support protrusion 12a having a nut hole 12 for connecting a support rod (not shown) attached to an installation base or the like is formed at the upper end of the stand storage unit 10.

As shown in FIG. 2, the portable display device 1 is configured with a control unit 100 formed of a microprocessor as a center. The control unit 100 decodes commands input by various switches, and performs a central processing unit 101 that performs operations and data processing, and various information that has already been stored and video information input from the camera 4, or a charging port 40, A flash memory 102 for storing various types of information additionally input from the serial port 50, the USB port 60, and the like, and a RAM 103 for quickly processing data between the devices are provided. The central processing unit 101 is mounted with an SOC (System-On-a-Chip) and an embedded OS (Embedded OS), and reads video data captured by the camera 4 and stored in the flash memory 102 into the RAM 103. After that, a delay reproduction means for delaying by a preset time and outputting to the display unit 3 is incorporated.
A DC power supply (voltage 7.2 to 12 V) is connected to the power supply port 20 via a DC-DC converter 21. Further, the camera 4 including the camera module is for photographing the action of a player or the like ahead and transmitting the video data to the flash memory 102 of the control unit 100. It is possible to shoot the whole body of athletes even from a short distance of less than 5m. In addition, a sensor 80 that detects the presence of a subject in the shootable range of the camera 4 is connected to the control unit 100.

In the key interface 5, a function mode selection switch 6, a recording switch 7, and a stop switch 8 are arranged. The function mode selection switch 6 is for selecting various operation functions (modes) shown below.
First, slow motion (Slow Motion: 1 / 4x speed display function) and slow slow motion (Slow Slow Motion: 1 / 8x speed display function) are playback functions at normal 1/4 and 1/8 speeds, respectively. is there. Thereby, the player can practice while confirming his / her movement accurately. In addition, it is possible to select either the case of repeatedly performing shooting → recording → playback → stop → playback or the case of repeatedly performing playback → stop → playback (slow playback and pause function).
Next, the moving image delayed reproduction function is a function for reproducing the video imaged by the camera 4 after a predetermined time has elapsed. For example, the 3-second delayed playback function is a function that allows the user's practice state (posture) to be played back 3 seconds after the end of the operation, and is executed in a 3-second delay mode described later. Note that the portable display device 1 of this embodiment has a 5-second delay playback function and a 7-second delay playback function in addition to the 3-second delay playback function, which are similarly executed in the 5-second delay mode and the 7-second delay mode, respectively. It has a configuration.
Furthermore, the initial state / standby mode function displays advertisement contents such as golf course facilities / gymnasium facilities or advertisement contents using public relations or network functions in the initial state or standby mode state where shooting or video playback is not performed. To do.

The recording switch 7 is a switch for saving the video imaged by the camera 4 in the set mode, and the stop switch 8 is a switch for temporarily stopping the reproduction of the moving image. Further, when the subject enters the shootable range of the camera 4, the sensor 80 detects the subject and sends a detection signal to the control unit 100. Then, the control unit 100 sends command signals to the camera 4 and the speaker 9 respectively. Thereby, the speaker 9 generates a signal sound indicating the start of shooting, and the camera 4 starts shooting. On the other hand, when the subject is out of the shootable range of the camera 4, the sensor 80 stops transmitting the detection signal to the control unit 100, and the control unit 100 sends a command signal for stopping the operation to the camera 4 and the speaker 9, respectively. . Thereby, the speaker 9 generates a signal sound indicating the end of shooting, and the camera 4 stops shooting.
Further, the NTSC port 31 and the S-VIDEO 32 connected to the control unit 100 via the video interface 30 are used when an external monitor other than the built-in display unit 3 is connected. The NTSC port 31 is a port that outputs a signal (video signal) of the NTSC (National Television Standards Committee) system, and the S-VIDEO port 32 is brightness information (brightness information) so that a more vivid image quality can be obtained. ) And color-difference information (color information) are separated from each other, and an S-VIDEO system signal (video signal) is output.

The charging port 40 connected to the control unit 100 via the billing interface 41 is:
When the portable display device 1 of the present invention is used for business, it collects a usage fee. When a cash (coin and paper basket) or an RF card (Radio Frequency Card) is brought close to a reader machine, Information is read by a reader machine and charges are collected.
Further, the serial port 50 connected to the control unit 100 via the serial interface 51 is a serial communication port for updating and managing various functions of the portable display device 1. The USB port 60 connected to the control unit 100 via the USB interface 61 has an encoder function that allows a stored video to be viewed on other video media such as a television. Compress the recorded video in the Motion Picture Image Coding Experts Group (MPEG) format and save it in various auxiliary storage devices such as a USB memory, or play back the video stored in an auxiliary storage device such as a USB memory on a personal computer. It is for doing.
The Ethernet (registered trademark) port 70 connected to the control unit 100 via the Ethernet (registered trademark) interface 71 receives and stores moving images and reproduction information from an external server using a network. This is a communication port.

Next, a screen displayed on the display unit 3 of the portable display device 1 will be described with reference to FIG.
As described above, the installation state of the portable display device 1 is stabilized by pulling out the stand 11 on the back side or connecting the bolt of the support base such as a camera tripod (not shown) to the nut hole 12.
After the portable display device 1 is installed in a predetermined place, when the power supply is connected to the power port 20, the initial state / standby mode function is activated as shown in FIG. Seconds are displayed (S1). Thereafter, the screen is switched to a real-time self (Self) video (S2), and after 5 seconds, the screen is switched to an auxiliary screen such as an advertisement (S3). Then, after 5 seconds, a real-time self (Self) video is switched (S4), and after 5 seconds, the display returns to the main guidance screen (S1). Thereafter, this operation is repeatedly executed. In the main guidance screen and the auxiliary screen, information is provided using content stored in the main body 2 or content provided on the network.

Mode setting and operation procedure using the function mode selection switch 6 will be described with reference to FIG.
When the “SELECT” button of the function mode selection switch 6 is pressed while the screen described with reference to FIG. 3 is displayed on the display unit 3, the quarter-speed slow motion mode (S 1) → The mode is switched in the order of 1/8 × slow slow motion mode (S2) → 3 second delay mode (S3) → 5 second delay mode (S4) → 7 second delay mode (S5). Then, when the “SELECT” button is pressed in a state where each mode can be selected, that mode is selected. If the “SELECT” button is not pressed within a predetermined time, the screen is switched to the screen already described with reference to FIG. 3, and the initial state / standby mode function is activated.

After selecting the quarter-speed slow motion mode indicated by S1 in FIG.
When the recording switch 7 is pressed, a standby message and a start sound “Peep” are output from the speaker 9 and recording is started. Hereinafter, the operation procedure in the 1/4 × slow motion mode will be described with reference to FIG.
When the screen described with reference to FIG. 3 is displayed on the display unit 3, when the “SELECT” button of the function mode selection switch 6 is pressed, the 1 / 4-speed slow motion mode (S1) can be selected. . When the “REC” button of the recording switch 7 is pressed in this state, the standby mode (S2) is switched as described above, and a standby message flows from the speaker 9. When the golfer stands at a suitable distance (preferably about 1.5 m) from the portable display device 1, it is detected by the sensor 80 using infrared rays that the golfer has entered the shootable range of the camera 4. The start sound is emitted from the speaker 9 and the camera 4 starts to operate (S3). Thereafter, when the golfer starts swing exercises, the camera 4 captures the entire body of the golfer for about 7 seconds, and the video is stored in the flash memory 102 of the control unit 100. That is, in the portable display device 1 of the present embodiment, shooting of the operation is started without the golfer operating the camera 4, and the shooting is automatically stopped when the golfer leaves the front of the camera 4. The end of shooting is notified by the end signal sound of the speaker 9. In this case, the golfer can concentrate on his / her movement without being aware of the camera 4.
Next, the video imaged and stored by the camera 4 is reproduced on the display unit 3 (S4). At this time, when the “STOP” button of the stop switch 8 is pressed, the playback of the video is paused (S5), and when the “STOP” button is pressed again, the pause is canceled and the video is played back (S4). That is, every time the “STOP” button is pressed, the state of S4 and S5 is switched. When the “REC” button is pressed in the state of S5, the state is switched to the state of S2. Note that the operation in S2 to S5 when any one of the modes shown in S2 to S5 in FIG. 4 is set to S1 in FIG. Is omitted.

  When a golf swing is practiced using the portable display device 1 of the present embodiment, a mode suitable for each operation can be selected with the function mode selection switch 6. Specifically, it is possible to check and correct one's posture using a 1/4 × slow motion mode and a 1/8 × slow slow motion mode. In particular, if the pause function is used, lesson pros can check each action one by one in various lessons to correct the swing posture of the practitioner (golfer), so it is possible to give qualified advice to the practitioner. it can. In addition, the 3-second delay mode has an effect that, after swinging while accurately viewing the ball during swing practice, playback is started after 3 seconds. Thereby, it becomes possible to confirm one's own swing. That is, the 3-second delay mode is suitable for an approach for practicing a short time operation with a putter, a short iron, or the like, or for a posture correction (practice) for putting. In addition, the 5-second delay mode, in which playback starts after 5 seconds after swinging while accurately observing the ball during swing practice, is an iron posture correction (practice practice) with a middle iron or the like. Suitable for). The 7-second delay mode, in which playback starts after 7 seconds after swinging while accurately observing the ball during swing practice, is the attitude of the driver and wood that practice long time (Long Time) operation with the driver and wood. Suitable for correction (practice).

  When golf swing practice is performed using the portable display device 1 of the present embodiment, it is possible to repeatedly practice one's swing posture while maintaining a constant tempo. Therefore, it is possible to acquire a sense of rhythm of swing. Further, when practicing swing, it is possible to observe and confirm the head-up state and the movement of the head in detail. Therefore, the swing posture (head up) can be corrected. Further, when practicing swing, it is possible to observe and confirm in detail and clearly the movement of body weight and the movement (movement) of the hip turn. Therefore, the swing posture (weight shift) can be corrected. In addition, by using the slow mode, the slow slow mode, and the pause mode, the coking operation can be observed and confirmed accurately, and the correct coking operation can be mastered. In addition, the correct back swing top can be acquired by accurately observing and confirming the back swing top (operation state). Then, the address can be acquired correctly by using the slow mode, the slow slow function, the pause function, and the delayed playback function. In addition, when taking a lesson individually from the leader (affiliated professional), you can check your posture accurately and understand the guidance of the leader (affiliated professional) for your posture (motion) accurately. it can. In particular, by using the slow mode, the slow slow mode, and the pause mode, it is possible to clarify the problems and solutions of each operation and receive appropriate guidance while intermittently reproducing each operation. In addition, it is possible to efficiently analyze the motion and correct the posture by displaying the captured video on an external device such as a computer or a digital camera.

  The inventions described in claims 1 to 3 are not limited to golf, but can be used for checking and correcting a player's posture and basic motion in various sports.

  DESCRIPTION OF SYMBOLS 1 ... Portable display device 2 ... Main body 3 ... Display part 4 ... Camera 5 ... Key interface 6 ... Function mode selection switch 7 ... Recording switch 8 ... Stop switch 9 ... Speaker 10 ... Stand storage part 10a ... Shaft hole 10b ... Fastening DESCRIPTION OF SYMBOLS 11 ... Stand 11a ... Shaft 12 ... Nut hole 12a ... Supporting protrusion 15 ... General-purpose port 20 ... Power supply port 21 ... DC-DC converter 30 ... Video interface 31 ... NTSC port 32 ... S-VIDEO port 40 ... Billing port 41 ... Claim Interface 50 ... Serial port 51 ... Serial interface 60 ... USB port 61 ... USB interface 70 ... Port 71 ... Interface 80 ... Sensor 100 ... Control unit 101 ... Central processing unit 102 ... Flash memory 10 ... RAM

Claims (3)

  A camera for photographing a subject; a display unit for displaying video captured by the camera; a memory for storing the video; a control unit for controlling operations of the camera, the display unit, and the memory; The portable display device, wherein the control unit has a built-in delay reproduction unit that reads the video stored in the memory and displays the video on the display unit with a delay of a preset time.   A sensor that detects the subject and sends a detection signal to the control unit; the control unit that receives the detection signal sends a command signal to the camera; and the camera that receives the command signal starts shooting. The portable display device according to claim 1. The portable display device according to claim 1, further comprising a port that is connected to the control unit and outputs an electrical signal representing the video to the outside.

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