JP2003284047A - Stadium viewing system, system managing apparatus, portable monitoring unit, image transmitting unit and image transmitting/receiving unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stadium viewing system which can provide more information by a user who views sports or a show. <P>SOLUTION: This stadium viewing system 1 provides the more information by the user when the sports is viewed or the show is observed. This system 1 comprises transmitting/receiving means (37T, 37R, 46 and 47) for transmitting/ receiving at least an image signal, a portable monitoring unit 3 having a display means (44, 45) for displaying the image signal received by the means (37T, 37R, 46, and 47) and a built-in battery (49), and transmitting/receiving means (58R, 58T, 64 and 65) for transmitting/receiving at least the image to and from the unit 3. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stadium watching system, a system management device, and a system management device which can provide more information to a user in a stadium or a concert venue where sports such as baseball and soccer are played. The present invention relates to a portable monitor device, a video transmission device, and a video transmission / reception device.

[0002]

2. Description of the Related Art Generally, when watching a sport or a concert, if the user is watching a game far from a place where a game or a show is held, the content of the game is not well understood, which may give a sense of presence.

In order to prevent the user from not being able to understand the details of watching the game as described above, a large monitor device is conventionally arranged on the back screen (first
Prior art), or renting out a portable monitor device having a built-in wireless reception function (second prior art) to supply visitors with game contents and show contents.

In addition to the above-mentioned two conventional techniques, a monitor device is installed in each seat of a stadium, and images from cameras installed in various places of the stadium are sent to each monitor device to allow visitors to visit the stadium. There is a third technique in which these can be selected by a switch of a monitor device (Japanese Patent Laid-Open No. 10-85386).

[0005]

According to the above-mentioned first technique, a monitor with a large back screen is difficult to see depending on the position of the seat, and it is not possible to select a desired image. there were.

On the other hand, according to the above-mentioned second prior art, since it is a portable monitor device having a radio receiving function, it is possible to select a desired channel in a comfortable posture, but it is only broadcast. There was also the inconvenience that you could not see the necessary information when you needed it, just by watching the images that were present. Further, the second conventional technique has a disadvantage that it is stolen because it is a portable monitor device.
Furthermore, the second conventional technique has a disadvantage that it does not have a bidirectional service function.

The present invention solves the above-mentioned problems and enables a user to provide more information in a stadium, a concert hall, etc., a stadium watching system, a system management device, a portable monitor device, a video transmission device, and An object is to provide a video transmitting / receiving device.

[0008]

In order to achieve the above object, the stadium watching system according to the invention of claim 1 provides a lot of information to participants when watching a sport or watching a show. In the stadium watching system that provides, at least a transmitting / receiving means capable of transmitting / receiving a video signal, a display means capable of displaying the video signal received by the transmitting / receiving means, a position detecting means capable of receiving a radio wave from a satellite and detecting a current position, and a geomagnetism. A portable monitor device equipped with a direction detecting means capable of detecting the direction of the device and a built-in battery, and a system management device having a transmitting / receiving means capable of transmitting / receiving at least an image to / from the portable monitor device. It is characterized by that.

According to a second aspect of the present invention, in the stadium watching system according to the first aspect, the portable monitor device is capable of transmitting and receiving voice and other data, and transmitting and receiving means, and sound inputting means for receiving sound and giving it to the transmitting and receiving means. And an acoustic output means for converting the acoustic signal received by the transmitting / receiving means into sound.

In order to achieve the above object, a stadium watching system according to a third aspect of the present invention provides a transmitting / receiving means for transmitting / receiving a video signal, an audio signal and other data, and a display capable of displaying the video signal received by the transmitting / receiving means. Means, position detecting means capable of detecting the current position by receiving radio waves from a satellite, direction detecting means capable of detecting the direction of the device based on the earth's magnetism, sound input means for receiving sound and giving it to the transmitting / receiving means,
A portable monitor device provided with an acoustic output means for converting an acoustic signal received by the transmitting / receiving means into an acoustic sound and a built-in battery,
Taking in video signals from a large number of cameras arranged in the stadium, and taking in the position and direction information obtained by the position detection means and the direction detection means of the portable monitor device, and moving toward the portable monitor device. And a system management device for transmitting the video signal of the camera which is photographing the vicinity thereof to the portable monitor device.

In order to achieve the above object, the stadium watching system according to the invention of claim 4 is a stadium watching system which provides a lot of information to participants when watching a sport or watching a show. Operating means for designating a video signal to be received, display means for displaying the video signal, and switching control when the video signal designated by the operating means is supplied to the display means and a channel forced switching control signal is received. A portable monitor device for supplying a video signal based on a signal to the display means, and a video transmitter provided with a transmitting means capable of wirelessly transmitting a video signal obtained by photographing a predetermined photographing location to the portable monitor device. A plurality of transmitters are provided, and each of the video transmitters superimposes a channel forced switching control signal on the video signal and transmits the signal. It is characterized in that you can.

In order to achieve the above object, the stadium watching system according to the invention of claim 5 is a stadium watching system which provides a lot of information to participants when watching a sport or watching a show. An operation means capable of designating a video signal to be received and inputting predetermined data, a display means capable of displaying the video signal and the predetermined data, a video signal designated by the operation means, and a channel forced switching control A portable monitor device provided with a transmission / reception means for supplying a video signal according to the switching control signal to the display means when the signal is received, and for transmitting predetermined data input by the operation means, and a predetermined photographing location. A video signal of the captured image and necessary data are wirelessly transmitted to the portable monitor device and the portable monitor A video transmitting / receiving device provided with a transmitting / receiving means capable of receiving data from a storage device, wherein a plurality of the video transmitting / receiving devices are provided, and each of the video transmitting / receiving devices superimposes a channel forced switching control signal on the video signal. It is characterized in that it can be transmitted.

According to a sixth aspect of the present invention, in the stadium watching system according to the fifth aspect, the portable monitor device has a plurality of wireless reception means and receives video signals from a plurality of video transmission / reception devices at the same time. A plurality of images can be simultaneously displayed on the display means.

According to a seventh aspect of the present invention, in the stadium watching system according to the fifth aspect, the portable monitor device gives information of the video transmitting / receiving device designated by the operating means to the transmitting / receiving means to enable wireless transmission. A system management device for receiving the information of the video transmission / reception device being received from the portable monitor device is provided, and a person who owns the portable monitor device is provided with a predetermined value based on the data obtained by the system management device. The feature is that the service can be provided.

According to an eighth aspect of the present invention, in the stadium watching system according to the fourth, fifth or seventh aspect, the portable monitor device is capable of displaying at least a video signal received by the transmitting / receiving means, and from a satellite. It is characterized in that it is provided with position detecting means for receiving a radio wave and detecting the current position, and direction detecting means for detecting the direction of the device based on the geomagnetism.

According to a ninth aspect of the invention, in the stadium watching system according to the fourth or fifth aspect, the portable monitor device receives a predetermined operation signal from a microphone that captures voice and a voice signal input from the microphone. It is characterized in that various operations can be performed by a voice recognition means to be formed and an operation signal from the voice recognition means.

In order to achieve the above object, a portable monitor device according to the invention of claim 10 displays transmitting / receiving means for transmitting / receiving a video signal, an audio signal and other data, and a video signal received by the transmitting / receiving means. Display means, position detecting means capable of detecting the current position by receiving radio waves from a satellite, direction detecting means sound capable of detecting the direction of the device based on geomagnetism, and a built-in battery. It is a thing.

In order to achieve the above-mentioned object, a portable monitor device according to the invention of claim 11 comprises an operating means for designating a video signal to be received, a display means for displaying the video signal, and the operating means. A video signal of a designated control signal is supplied to the display means, and a receiving means for giving a video signal according to the switching control signal to the display means when the channel forced switching control signal is received. Is.

In order to achieve the above-mentioned object, a portable monitor device according to the invention of claim 12 specifies an image signal to be received and can input predetermined data, and an operation means for inputting the image signal and the predetermined data. Display means capable of displaying and a video signal designated by the operating means are supplied to the display means, and when a channel forced switching control signal is received, a video signal according to the switching control signal is given to the display means, and the operation is performed. It is characterized by comprising a transmitting / receiving means capable of transmitting the predetermined data inputted by the means.

In order to achieve the above-mentioned object, a system management apparatus according to the invention of claim 13 has a plurality of cameras arranged in a stadium, a means for capturing a video signal from the cameras, and the transmitting / receiving means for enabling the above-mentioned operation. A position / direction specifying unit that acquires the position and direction information obtained by the position detecting unit and the direction detecting unit of the portable monitor device to specify the direction in which the portable monitor device is facing, and the position / direction specifying unit And a video signal selecting means for selecting the video signal of the camera photographing the vicinity of the selected position, giving it to the transmitting / receiving means and transmitting it to the portable monitor device.

In order to achieve the above object, the video transmitting apparatus according to the invention of claim 14 is provided with a transmitting means capable of wirelessly transmitting a video signal obtained by photographing a predetermined photographing place to the portable monitor apparatus. It is a feature.

In order to achieve the above-mentioned object, a video transmitting apparatus according to the invention of claim 15 wirelessly transmits a video signal of a predetermined photographing place and necessary data to the portable monitor device and at the same time. It is characterized by comprising a transmitting / receiving means capable of receiving data from the portable monitor device.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

[First Embodiment] (Structure of First Embodiment) FIGS. 1 to 7 are views for explaining a stadium watching apparatus according to a first embodiment of the present invention. .

FIG. 1 is a diagram showing a stadium to which the stadium watching system according to the first embodiment of the present invention is applied.

In FIG. 1, the stadium watching system 1 according to the first embodiment of the present invention is roughly classified as follows.
It comprises a portable monitor device 3, a system management device 5, and cameras 7, 7, ....

The portable monitor device 3, which will be described in detail later, can transmit and receive video signals, audio signals, and other data, can display the received video signals on the display means, and can also receive radio waves from the satellite 9. Then, the current position can be detected, the direction of the device can be detected based on the geomagnetism, the sound can be captured, and the transmitted acoustic signal can be converted into sound.

Further, the system management device 5 can input video signals from the cameras 7, 7, .... The system management device 5, which will be described in detail later, takes in video signals from the cameras 7, 7 ,.
The information of the position and direction obtained by the portable monitor device 3 is taken in, the direction in which the portable monitor device is facing is specified, and the video signal of the camera that is photographing the vicinity of the specified position is selected. Then, the information is transmitted to the portable monitor device.

In addition to the above, the system management device 5 can send various data and commands to the portable monitor device 3 and can receive orders and requests from the portable monitor device 3. Has become.

An outline of how to use the stadium watching system 1 will be described below.

The user (spectator) 11 borrows the portable monitor device 3 from the stadium and arrives at the seat. The system management device 5 is installed in a management center that grasps the entire stadium, and collects images of the ground 15 taken by a plurality of cameras 7, 7, ... Past images of each player are saved.

Portable monitor device 3 and system management device 5
, And IEEE 802Z11b, for example, can be used for mutual communication. As a result, the spectator 11 can receive a desired image distribution and can order food.

Further, the portable monitor device 3 is adapted to detect its own position by the radio wave from the satellite 9 and send the detected data to the system management device 5. As a result, in the system management device 5, each portable monitor device 3
The position of can be grasped.

FIG. 2 is a block diagram showing a portable monitor device and a system management device used in the color image display device according to the first embodiment of the present invention.

In FIG. 2, the portable monitor device 3 includes an operation switch 31, a GPS antenna 32, a micro control unit (MCU) 34, a microphone 35 as a sound input means, a receiver circuit 36, and a transmitting / receiving means. The wireless transmission unit 37T and the wireless reception unit 37R that are the above, and the audio signal expansion circuit 3 that is the sound output unit.
8, an audio amplifier 39, a speaker 40, an earphone jack 41, and a video signal expansion circuit 42, D which is a display unit.
AC43, liquid crystal panel control circuit 44, and display panel 45
A radio frequency (RF) section 46, an antenna 47, a power supply circuit 48, and a battery 49.

In FIG. 2, the system management device 5 includes a CPU 51, a memory 52, and an order processing section 53.
, Emergency response processing unit 54, video storage unit 55, ADC
56, a video signal expansion unit 57, and a wireless transmission unit 58
T, wireless reception unit 58R, video signal compression unit 59
, The acoustic processing unit 60, and the bus line 6 that connects them.
1, a microphone 62, a speaker 63, an RF unit 64,
The antenna 65 and the audio signal compression unit 66 are provided.

(Basic Operation of Each Component) The basic operation of the portable monitor device 3 and the system management device 5 will be described.

First, the portable monitor device 3 will be described. The operation signal of the operation switch 31 is input to the MCU 34. The signals detected by the GPS antenna 32 and the geomagnetic sensor 33 are also input to the MCU 34. Operation switch 31
When the power switch is operated, the power on / off signal from the MCU 34 is given to the power circuit 48 to turn on / off the power of the apparatus. Further, by using the operation switch 31 and the display panel 45, various selections can be made in a menu displayed on the display panel 45 to select a desired video or audio,
The food and drink can be ordered to the system management device 5.

The position and direction detection signals and operation signals obtained by the MCU 34 are input to the wireless transmitter 37T. The audio signal obtained from the microphone 35 and the receiver circuit 36 is input to the wireless transmission unit 37T. The wireless transmission unit 37T to which the signal is input has a high frequency carrying the information, is amplified by the RF unit 46, and is transmitted from the antenna 47 to the system management device 5.

The radio wave sent from the system management device 5 is received by the antenna 47, amplified by the RF unit 46, and input to the wireless receiving unit 37R.

The audio signal received by the wireless receiving section 37R is expanded by the audio signal expansion circuit 38, and is then converted by the audio amplifier 39 into sound by the speaker 40.

The video signal or other data received by the wireless receiver 37R is expanded by the video signal expansion circuit 42 and then converted into an analog video signal by the DAC 43.
It is input to the liquid crystal panel control circuit 44. The video signal output from the liquid crystal panel control circuit 44 is displayed on the display panel 45.

Next, the basic operation of the system management device 5 will be described. The CPU 51 operates by the operating system and application programs loaded in the memory 52, and controls various processing means and executes various data processes.

The video signals from the cameras 7, 7, ...
After being converted to a digital video signal by C56, the bus line 61
Is stored in the video storage unit 55 via the. The video storage unit 55 also stores profiles of each player, food and drink menus, and the like.

The voice input by the microphone 62 is processed by the sound processing unit 60, compressed by the voice signal compression unit 66, and supplied to the wireless transmission unit 58T. Further, after the video signal is also compressed by the video signal compression unit 59,
It is supplied to the wireless transmission unit 58T.

In the wireless transmission unit 58T, a high frequency signal carrying these pieces of information is formed, and after high frequency amplification in the RF unit 64, a radio wave is transmitted from the antenna 65 toward the portable monitor device 3.

Radio waves sent from the portable monitor device 3 are received by the antenna 65, amplified by the RF section 64, and then supplied to the wireless receiving section 58R. The operation signal, the position / direction detection signal, or the audio signal received by the wireless reception unit 58R is supplied to the bus line 61. Under the control of the CPU 51, the audio signal enters the acoustic processing unit 60 via the bus line 61, undergoes audio processing, and is reproduced as audio from the speaker 63.

Under the control of the CPU 51, the operation signal is input to the order processing unit 53 via the bus line 61 and processed by the order. Further, the order processing unit 53 of the system management device 5 notifies the salesperson monitor device 19 that the salesperson has of the ordered food and drink data and the ordered position of the portable monitor device 3.

The position / direction detection signal is sent to the CPU 5
Under the control of 1, the data is input to the CPU 51 via the bus line 61. The CPU 51 takes in the detection signal of the position / direction and specifies the direction in which the portable monitor device is facing, and the camera that photographs the vicinity of the position specified by the position / direction specifying unit. The video signal selecting unit 7 selects the video signal No. 7 and supplies it to the wireless transmitting unit 58T which is the transmitting / receiving unit to transmit the video signal to the portable monitor device 3.

As a result, the CPU 51 sends to the portable monitor device 3 the image of the camera 7 in the vicinity of the portable monitor device 3 facing a specific direction.

(About Lending and Charging) Next, a mechanism and charging for lending the portable monitor device 3 will be described with reference to FIG.

FIG. 3 is a flow chart for explaining a mechanism and a charging method for lending out the portable monitor device of the stadium watching system according to the first embodiment of the present invention.

First, the spectator 11 goes to the management center or other lending window and requests the lending of the portable monitor device 3 (S301). Then, the management center and other lending counters confirm the identification card of the spectator 11 and receive the guarantee fee (S302).

At the management center and other lending counters, the address / name of the spectator 11, the guarantee fee paid, and the identification number of the lent portable monitor device 3 are input to the portable monitor device 3 (S303). ). After that, the portable monitor device 3 is handed over to the spectator 11 at the management center or another lending window (S304).

The spectator 11 operates the operation switch 31 of the portable monitor device 3 to display the menu of food and drink,
The menu is selected with the operation switch 31, and the ordering operation is performed with the operation switch 31 (S305). As a result, order data is sent from the portable monitor device 3 to the system management device 5.

In the portable monitor device 3, the sales person's monitor device 19 for the salesperson is notified of the order data and the position of the portable monitor device 3, and the purchase fee is deducted from the guarantee fee (S306) Match etc. When the process ends, the spectator 11 sends the portable monitor device 3 to the management center or another lending window, and requests the portable monitor device 3 to be returned (S307). Then, the management center and other lending windows receive the portable monitor device 3 and return the balance of the guarantee fee (S308).

This completes the description of the series of steps from the lending of the portable monitor device 3 to the spectator 11 to the return thereof.

(Basic Operation of Data Communication) Next, exchange of data between the portable monitor device and the system management device of the stadium watching system according to the first embodiment of the present invention will be described.

FIG. 4 is a flow chart showing a communication process between the portable monitor device and the system management device of the stadium watching system according to the first embodiment of the present invention, and FIG. The operation of the monitor device is shown in FIG.
(B) is a figure for demonstrating operation | movement of a system management apparatus.

The spectator 11 operates the operation switch 31 of the portable monitor device 3 to call a necessary menu (FIG. 4).
(S401 of (a)). Then, M of the portable monitor device 3
The CU 34 sends a request for menu contents to the wireless transmission unit 37T (S402 in FIG. 4A). Then, the high-frequency signal formed by the wireless transmission unit 37T is transmitted to the RF unit 4
The signal is amplified by 6 and emitted from the antenna 47 toward the system management device 5.

In the system management device 5, the high frequency signal sent from the portable monitor device 3 is received by the antenna 65, amplified by the RF section 64, and transmitted via the bus line 61 to the C line.
It is given to the PU 51 (S421 in FIG. 4B). The CPU 51 of the system management device 5 retrieves the menu from the video storage unit 55 after data processing of the received data (S422 in FIG. 4B), compresses the menu with the video signal compression unit 59, and wirelessly transmits the menu. Give to 58T.
The wireless transmission unit 58T forms a high-frequency signal including the menu information, amplifies it by the RF unit 64, and then transmits a radio wave from the antenna 65 to the portable monitor device 3 (S423 in FIG. 4B). .

In the portable monitor device 3, the radio wave from the system management device 5 is received by the antenna 47, amplified by the RF part 46, and then given to the wireless receiving part 37R (FIG. 4).
(S403 of (a)).

The menu screen signal received by the wireless receiver 37R is expanded by the video signal expansion circuit 42, converted into an analog video signal by the DAC 43, and displayed on the display panel 45 via the liquid crystal panel control circuit 44. (S404 of FIG. 4A).

Here, the spectator 11 operates the operation switch 31 while looking at the menu displayed on the display panel 45, and selects necessary contents from the menu (FIG. 4 (a)).
S405). Then, the spectator 11 operates the operation switch 3
1 is operated to input a command for transmitting the selection content to the portable monitor device 3 (S406 in FIG. 4A). As a result, in the portable monitor device 3, the content selected by the operation switch 31 is given to the MCU 34, and the MCU 34 gives the selected content to the wireless transmission unit 37T. As a result, a high frequency including the information of the selected content is formed by the wireless transmission unit 37T, amplified by the RF unit 46, and then transmitted from the antenna 47 toward the system management device 5.

In the system management device 5, the high frequency signal sent from the portable monitor device 3 is received by the antenna 65, amplified by the RF section 64, and transmitted via the bus line 61 to the C line.
It is given to the PU 51 (S424 in FIG. 4B). The CPU 51 of the system management device 5 performs data processing on the received data of the selected content and instructs a predetermined processing to a required location (S422 of FIG. 4B). Further, in the system management device 5, the result of processing based on the requested contents is compressed by the video signal compression unit 59 and given to the wireless transmission unit 58T. The wireless transmission unit 58T forms a high-frequency signal including the menu information, amplifies it by the RF unit 64, and then transmits a radio wave from the antenna 65 to the portable monitor device 3 (S426 in FIG. 4B). .

The portable monitor device 3 receives a video or the like about the request content sent from the system management device 5 (S407 of FIG. 4A). Then, in the portable monitor device 3, a video or the like about the requested content is displayed on the display panel 45, and the speaker 63 is also displayed.
The voice is reproduced with (S408 of FIG. 4A).

As described above, the spectator 11 can obtain the information necessary for the portable monitor device 3 by communicating between the portable monitor device 3 and the system management device 5.

(Ordering Operation) Next, a case where the spectator 11 orders food and drink will be described with reference to FIGS. 5 and 6.

FIG. 5 is a diagram for explaining an example of ordering by the portable monitor device in the stadium watching system according to the first embodiment of the present invention.

In FIG. 5, when the spectator 11 wants to order food and drink, the spectator 11 operates the operation switch 31 of the portable monitor device 3 to communicate with the system management device 5. At this time, in the portable monitor device 3, since the GPS antenna 32 acquires the position data, this position data is also transmitted to the system management device 5.

In the system management device 5, the order processing section 5
3, the spectator 11 having the portable monitor device 3
According to the balance of the remaining money and the stock status of food and drink, the data of food and drink that can be sold is sent to the portable monitor device 3. This allows
The contents are displayed on the display panel 45 of the portable monitor device 3.

The spectator 11 looks at the food and drink displayed on the display panel 45, operates the operation switch 31, and transmits the order information to the system management device 5. At this time, the portable monitor device 3 transmits the ordered position of the portable monitor device 3 to the system management device 5 at the same time as the order information.

The system management device 5 sends the order information and the position information to the salesperson monitor device 19 of the salesperson 21. As a result, the spectator 11 receives the ordered food and drink 23.
Can be received from the salesperson 21.

FIG. 6 shows a portable monitor device in the stadium watching system according to the first embodiment of the present invention.
7 is a flowchart for explaining the operations of the system management device and the salesperson monitoring device, wherein FIG. 6A illustrates the operation of the portable monitoring device, FIG. 6B illustrates the operation of the system management device, and FIG. (C) shows the operation of the monitor device for sales staff,
These are shown respectively. Since the salesperson monitor device 19 basically has the same configuration as the portable monitor device 3, the description of the configuration operation is omitted.

The spectator 11 operates the operation switch 31 of the portable monitor device 3 to call the menu (S501 in FIG. 6A). Then, the portable monitor device 3
Is a system management device 5 that transmits radio waves requesting menu contents.
(S502 in FIG. 6A).

The system management device 5 receives the radio wave from the portable monitor device 3 (S52 in FIG. 6B).
1). The system management device 5 confirms the stock of food and drink and the balance of the guarantee fee (S522 of FIG. 6B). Then, the system management device 5 transmits data of food and drink that can be purchased by the spectator 11 who received the order (S in FIG. 6B).
523).

The portable monitor device 3 receives the radio wave from the system management device 5 (S50 in FIG. 6A).
3). The portable monitor device 3 has a display panel 45.
The menu of the food and drink that can be purchased is displayed on the screen (S504 in FIG. 6A). The spectator 11 operates the operation switch 31 to select the menu while looking at the menu of the food and drink that can be purchased, which is displayed on the display panel 45 of the portable monitor device 3 (S505 in FIG. 6A). . Then, the portable monitor device 3 transmits the order contents to the system management device 5, and at the same time, the portable monitor device 3 concerned.
The position data of the position where is is transmitted to the system management device 5 (S506 of FIG. 6A).

The system management device 5 receives the radio wave carrying the order information from the portable monitor device 3 (S524 in FIG. 5B). Then, the system management device 5 instructs the salesperson monitor device 19 of the salesperson 21 near the spectator 11 about the order contents and the position data of the portable monitor device 3 (S525 of FIG. 6B). ).

When the salesperson monitor device 19 receives the order, the salesperson 21 displays the contents of the order and the position data of the spectator 11 on the display panel. It is delivered to the person 11 (S541 of FIG. 6C). Further, when the delivery is completed, the salesperson 21 operates the operation switch of the salesperson monitor device 19 to send the completion of the delivery from the salesperson monitor device 19 to the system management device 5 (FIG. 6). (C) S542).

Then, in the system management device 5, the order processing unit 53 adds the item to the purchase list and
A process of reducing the deposit data of the spectator 11 is performed (S526 in FIG. 6B).

This completes the description of the series of processing of the food and drink order by the spectator 11.

(Forced switching operation) Next, the operation when there is a topic such as a home run or when an emergency such as a fire or a crime occurs will be described.

FIG. 7 is a diagram for explaining the operation when there is a topic such as a home run or when an emergency such as a fire or a crime occurs in the stadium watching system according to the first embodiment of the present invention. 7 is a flowchart, and FIG. 7A shows the operation of the portable monitor device.
(B) is a figure for demonstrating operation | movement of a system management apparatus.

The spectator 11 operates the operation switch 31 of the portable monitor device 3 to call the video menu of the cameras 1 to 9, the score, the picture, the bench, etc. (S701 in FIG. 7A). Then, the portable monitor device 3 sends a radio wave requesting the menu contents to the system management device 5 (S702 of FIG. 7A).

The system management device 5 receives the radio wave from the portable monitor device 3 (S72 in FIG. 7B).
1). The system management device 5 executes a process for the request for the menu contents (S72 of FIG. 7B).
2). Then, the system management device 5 transmits the contents of the video menu (S723 of FIG. 7B).

The portable monitor device 3 receives the radio wave from the system management device 5 (S70 of FIG. 7A).
3). The portable monitor device 3 displays the received menu on the display panel 45 (S704 in FIG. 7A).
The spectator 11 looks at the menu displayed on the display panel 45 of the portable monitor device 3 and looks at the operation switch 31.
To select a menu (S70 in FIG. 7A)
5). Then, the portable monitor device 3 transmits the selected content to the system management device 5 (S706 of FIG. 7A).

The system management device 5 receives the radio wave carrying the selection content information from the portable monitor device 3 (S724 in FIG. 7B). Then, the system management device 5 executes a process for the selected content (FIG. 7).
(B) S725). Then, the system management device 5 transmits the processed contents to the portable monitor device 3 (S726 in FIG. 7B).

When the salesperson monitor device 19 receives the order, the salesperson 21 displays the contents of the order and the position data of the spectator 11 on the display panel. It is delivered to the person 11 (S541 of FIG. 6C). Further, when the delivery is completed, the salesperson 21 operates the operation switch of the salesperson monitor device 19 to send the completion of the delivery from the salesperson monitor device 19 to the system management device 5 (FIG. 6). (C) S542).

The portable monitor device 3 receives the radio wave sent from the system management device 5 (see FIG. 7A).
S707), and the contents are displayed on the display panel 45 (S708 of FIG. 7A).

Here, the system management device 5 generates a topic such as a home run, or
When it is detected that an emergency such as a fire or a crime has occurred (S727 in FIG. 7B), the portable monitor device 3 forcibly outputs a video based on the content and necessary audio to the entire portable monitor device. 3 (S72 in FIG. 7B)
8).

As a result, the portable monitor device 3 is
The radio wave from the system management device 5 is received (S709 in FIG. 7A), the video is displayed on the display panel 45, and the sound is output from the speaker 63 (S7 in FIG. 7A).
10).

In this way, in the case of an emergency, the system management device 5 side forcibly sends the video / audio to the portable monitor device 3, and the portable monitor device 3
Can be informed that an emergency has occurred.

(Others) Since the above-mentioned communication can be performed between the portable monitor device 3 and the system management device 5, if the battery of the portable monitor device 3 is low, the system is The management device 5 is notified of the information. In addition, the portable monitor device 3 has a G
There is a position detection function by the PS antenna 32 and the geomagnetic sensor 33, which is notified to the system management device 5, so that the portable monitor device 3 with reduced battery
You can deliver the battery to. Further, as described above, the portable monitor device 3 has a position detection function and can communicate with the system management device 5 at all times, so that when the portable monitor device 3 is taken out of the venue, Since the management center can know this, theft can be prevented. Further, when the position of the portable monitor device 3 cannot be detected, an alarm may be issued from the portable monitor device 3.

[Second Embodiment] FIG. 8 is a block diagram showing a portable monitor device in a stadium watching system according to a second embodiment of the present invention.

In FIG. 8, the portable monitor device 3a used in the stadium watching system according to the second embodiment of the present invention is enlarged with small display panels 71 and 73 corresponding to the left and right eyes Em and Eh. A binocular type that is used by looking into the optical system 75 or 77 may be used. In this case, an optical sensor 79 including a light emitting diode and a photodiode is provided near the forehead when observing.
By arranging the touch sensor 81 in the portion where the spectator 11 has the portable monitor device 3, the image is displayed only when the spectator 11 is in a position to observe the sensor 79.
Alternatively, when even one of the sensors 81 is not detected, the power consumption can be reduced by setting the standby state.

In the second embodiment of the present invention, the display panels 71 and 73 and the magnifying optical systems 75 and 77 are the first.
A point provided in place of the display panel 45 of the embodiment, and a point newly provided with the optical sensor 79 and the touch sensor 81,
The first embodiment is different from the first embodiment except that the speaker is omitted.
Since the configuration is exactly the same as that of the embodiment, the same reference numerals are given and the description of the configuration and the operation is omitted. The optical sensor 79 and the touch sensor 81 are input to the MCU 34, and the display panels 71 and 73 are driven by the liquid crystal panel control circuit 44.

Also according to the second embodiment as described above,
The same operational effects as the first embodiment are achieved. In addition, according to the second embodiment, power saving can be achieved as compared with the first embodiment.

[Third Embodiment] FIG. 9 is a block diagram showing a portable monitor device in a stadium watching system according to a third embodiment of the present invention.

In FIG. 9, the third embodiment of the present invention has a CCD camera 83 with a zoom function, so that the image captured by this CCD camera 83 and the image from the system management device 5 can be watched. The spectator 11 makes it possible for the spectator 11 to select an image by switching the operation switch 31.

The third embodiment of the present invention is different from the second embodiment in that the image changeover switch 85 which is switched by the CCD camera 83 and the operation switch 31 is provided. The same reference numerals are given to the elements and the description thereof will be omitted.

In the third embodiment of the present invention, the video signal from the CCD camera 83 and the video signal from the DAC 43 are switched by the video selector switch 85 so that they can be input to the liquid crystal panel control circuit 44.

According to such a third embodiment as well,
The same operational effects as those of the first and second embodiments are achieved. In addition, in the third embodiment, the image captured by the portable monitor device 3 and the system management device 5 are used.
Since the image sent from the player can be viewed by switching it with the image switch 85, it is possible to enjoy sports and shows with a more realistic feeling.

[Fourth Embodiment] FIGS. 10 to 12
[FIG. 8] is a diagram for explaining a fourth embodiment of the present invention. FIG. 10 is an overall configuration diagram showing the stadium watching system according to the embodiment of the present invention.

In FIG. 10, the stadium watching system 1a according to the fourth embodiment of the present invention is roughly classified to receive the video signal designated by the operating means and to display the video signal by the channel forced switching signal. Portable monitor device 3 that can receive and send necessary data
a and a video signal obtained by photographing a predetermined photographing location are wirelessly transmitted to the portable monitor device 3a, and the portable monitor device 3a
And the like as cameras 7a, 7a, ...

The portable monitor device 3a, which will be described in detail later, has operation means for designating a video signal to be received,
Display means capable of displaying a video signal, and a video signal designated by the operating means is supplied to the display means, and a video signal of a channel based on the switch control signal is received when the compulsory channel switch control signal is received. And a transmission / reception means capable of transmitting necessary data.

Each of the cameras 7a, 7a, ... As the video transmitting / receiving means transmits a video signal obtained by photographing a predetermined photographing location and superimposes a compulsory channel switching signal on the video signal, which will be described in detail later. The transmitting / receiving means is provided for transmitting the required data to the portable monitor device 3a by radio and receiving the data from the portable monitor device 3a.

An outline of how to use the stadium watching system 1a will be described below.

The user (spectator) 11 borrows the portable monitor device 3a from the stadium and arrives at the seat. The cameras 7a, 7a, ... Are arranged at various places in the stadium,
Images of the ground 15 taken by the plurality of cameras 7a, 7a, ... Can be transmitted.

The portable monitor device 3a and the camera 7a,
, 7a, ... Can communicate with each other by a method such as IEEE802Z11b. Further, from the cameras 7a, 7a, ..., A channel switching control signal can be superimposed on a video signal and transmitted.

The spectator 11 is the portable monitor device 3a.
By operating the operation means of, it is possible to receive a desired video distribution. In addition, the portable monitor device 3a
When receiving the channel forced switching signal superimposed on the video signal, the device receives the video signal of the channel designated by the channel forced switching signal and displays it on the display means.

Although not shown, the portable monitor device 3a detects its own position by the radio wave from the satellite,
The detection data may be sent to the cameras 7a, 7a, .... Thereby, the camera 7
On the a, 7a, ... Side, the position of each portable monitor device 3a can be grasped.

FIG. 11 is a block diagram showing a portable monitor device and a video transmitting / receiving device of a stadium watching system according to the fourth embodiment of the present invention.

The stadium watching system 1a according to the fourth embodiment shown in FIG. 11 is different from the stadium watching system 1a according to the first embodiment in that the system management device 5 according to the first embodiment is eliminated and a video transmitting / receiving device is used. An image is directly transmitted from one of the cameras 7a, 7a, ... And the portable monitor device 3a.
The data from the camera can be received by the cameras 7a, 7a, ....

The cameras 7a, 7a, ... Only wirelessly transmit the video signals in which the channel switching control signal is superimposed on the video signals, respectively, and the portable monitor device 3a controls by the operating means. The video signals from the cameras 7a, 7a, ... Designated by signals are simply wirelessly received and given to the display panel 45, or when the channel switching control signal is received by the wireless receiving means, the switching control signal is designated. It is also possible that the video signals of different channels are applied to the display panel 45 so that the cameras 7a, 7a, ... Do not receive the data from the portable monitor device 3.

11, the portable monitor device 3a includes an operation switch 31, a micro control unit (MCU) 34, a wireless transmission / reception means 37, an audio signal expansion circuit 38 which is an acoustic output means, and an audio amplifier 3.
9, a speaker 40 and an earphone jack 41, a video signal expansion circuit 42, a DAC 43, a liquid crystal panel control circuit 44 and a display panel 45 which are display means, and a high frequency (R).
The F) unit 46, an antenna 47, a power supply circuit 48, and a battery 49 are provided.

The camera 7a includes an objective lens 91, a C
A CD camera 92, a blanking signal insertion circuit 93,
The wireless transmission / reception unit 94, the RF unit 95, and the antenna 96 are included.

Next, the operation of the camera, which is the above-described image capturing / observing apparatus and image transmitting / receiving apparatus, will be described. FIG. 12 is a diagram showing a part of a video signal transmitted from the video transmitting / receiving device of the stadium watching system according to the fourth embodiment of the present invention.

The camera 7a, which is the video transmission / reception device,
An image of a predetermined photographing location of the ground 15 is formed on the CCD camera 92 via the objective lens 91. The CCD camera 92 converts the formed image into a video signal and supplies it to the blanking signal insertion circuit 93. Blanking signal insertion circuit 93
Then, as shown in FIG. 12, a channel switching control signal for switching by the camera 7a is inserted near the vertical blanking of the video signal. When it is not necessary to forcibly switch, a signal that does not switch is superposed on the image as a channel switching control signal.

Here, this channel switching signal is
As shown in FIG. 12, for example, bit “1”, bit “2”, bit “3”, bit “4”, bit “5”,
..., bit "15", bit "16" and the like are inserted near the vertical blanking.

Further, when the wireless transmission / reception means 37 of the portable monitor device 3a receives a video signal on which a channel switching control signal having a predetermined bit structure is superimposed, it is sent from the cameras 7a, 7a, ... Having the bit structure. It is designed to switch to a video forcibly. Therefore,
For example, the video signal on which the channel switching control signal having the bit "1" at the high level, the bit "2" at the low level, the bit "3" at the high level, and the bit "4" at the low level is superimposed is wirelessly transmitted by the portable monitor device 3a. When the transmission / reception means 37 receives, the wireless transmission / reception means 37 of the portable monitor device 3a forcibly switches to the video signals of the cameras 7a, 7a, ... Of bit "7" to bit "16", and these video signals are changed. It is received and displayed on the display panel 45.

Therefore, in the portable monitor device 3a,
The spectator 11 does not miss the situation because the situation actually occurring on the ground 15 is always forcibly switched and displayed.

Application Example 1 Further, the portable monitor device 3 supplies the wireless transmission / reception means 37 with the information of the cameras 7b, 7b, ... Which are the image transmission / reception devices designated by the operation switch 31 which is the operation means. Wireless transmission may be possible.

In this case, the system management device 5 is provided as in the first embodiment, and the information of the cameras 7a, 7a, ... Received from the portable monitor device 3a is received,
A predetermined service may be provided to the spectator 11 having the portable monitor device 3a based on the data accumulated in the system management device 5.

(Application Example 2) The portable monitor device 3a
Is at least a display panel 45 capable of displaying a video signal received by the wireless transmission / reception means 37, a position detection means (not shown) capable of receiving a radio wave from a satellite and detecting the current position, and a device based on the geomagnetism. You may make it provide the direction detection means (not shown) which can detect a direction, and the distance measuring device which emits an ultrasonic wave and measures the distance from the reflected sound to an object.

(Application Example 3) The portable monitor device 3a
In addition to the operation signal from the operation switch 31, a microphone (not shown) that takes in sound, a voice recognition means (not shown) that forms a predetermined operation signal from the audio signal input from the microphone, Alternatively, various operations may be performed by the operation signal from the voice recognition means.

When the spectator 11 speaks, for example, "channel 1" into the microphone, this is given to the voice recognition means converted into a voice signal by the microphone. The voice recognition means determines from the voice and the voice database to be controlled that the content to be operated is switched to "channel 1", and operates a predetermined circuit based on the result of the determination to operate "channel 1". I am trying to switch to.

[Fifth Embodiment] FIG. 13 is a block diagram showing a portable monitor device and a video transmission device of a stadium watching system according to a fifth embodiment of the present invention.

The stadium watching system 1b according to the fifth embodiment shown in FIG. 13 is roughly classified into the fifth embodiment.
The portable monitor device 3b peculiar to this embodiment and the cameras 7b, 7b, ...

The portable monitor device 3b shown in FIG. 11 includes an operation switch 31, a micro control unit (MCU) 34, and wireless receiving means 371, 37.
2, 373, and an audio signal expansion circuit 3 which is an acoustic output means
81, 382, 383, a voice switching circuit ASW, a voice amplifier 39, a speaker 40 and an earphone jack 41,
Video signal expansion circuits 421, 422, 42 which are display means
3. A video signal forming circuit 431 capable of taking in a plurality of video signals into a plurality of video signals, a liquid crystal panel control circuit 44 and a display panel 45, and radio frequency (RF) units 461, 462.
The camera 7b, which is a plurality of video transmission devices, includes a 463, an antenna 47, a power supply circuit 48, and a battery 49.
The video signals are simultaneously received from 7b, ..., And a plurality of videos can be simultaneously displayed on the display panel 45 of the portable monitor device 3b.

The cameras 7b, 7b, ... Have exactly the same structure as in the fourth embodiment, and each camera 7b, 7b, .. transmits images at different carrier frequencies. . The cameras 7b, 7b, ... Are capable of transmitting and receiving, but the portable monitor device 3b cannot transmit data, voice, etc., so that it merely serves as a video transmitting device.

In the portable monitor device 3b, the images from the plurality of cameras 7b, 7b, ... Are displayed on the display panel 45, so that the spectator 11 can obtain more information. Further, when the portable monitor device 3b receives the channel forced switching control signal from the cameras 7b, 7b, ..., It will display the images of the cameras 7b, 7b ,. .

As a result, the spectator 11 can receive more images.

[0133]

As described above, according to the invention of claim 1, at least a transmitting / receiving means capable of transmitting / receiving a video signal, a display means capable of displaying a video signal received by the transmitting / receiving means, and a radio wave from a satellite are received. Then, at least image transmission / reception can be performed between a position detection unit that can detect the current position, a direction detection unit that can detect the direction of the device based on the geomagnetism, and a portable monitor device including a built-in battery, and the portable monitor device. Since the stadium watching system is composed of the system management device having the transmitting / receiving means, it is possible to provide the observer with more information selected by the user when watching sports or playing a concert.

According to the invention described in claim 3, a transmitting / receiving means for transmitting / receiving a video signal, an audio signal and other data, a display means for displaying the video signal received by the transmitting / receiving means,
Position detecting means that can detect the current position by receiving radio waves from satellites, direction detecting means that can detect the direction of the device based on geomagnetism, acoustic input means that captures sound and gives it to transmitting and receiving means, acoustic signal received by the transmitting and receiving means Portable monitor device equipped with a sound output means and a built-in battery for producing a sound, and capturing video signals from a large number of cameras arranged in the stadium, and the position detection means and the direction detection means of the portable monitor device. A system management device that captures the position and direction information obtained by specifying the direction in which the portable monitor device is facing, and transmits the video signal of the camera that is photographing the vicinity to the portable monitor device. Since it is a stadium watching system, it provides the observer with more information selected by the user when watching sports or at a concert. It can be.

According to the fourth aspect of the present invention, the operating means for designating the video signal to be received, the display means for displaying the video signal, and the video signal designated by the operating means are supplied to the display means and the channel is supplied. A portable monitor device that supplies a video signal according to the forced switching control signal to the display means when the forced switching control signal is received, and a transmitting means that can wirelessly transmit the video signal obtained by photographing a predetermined photographing location to the portable monitor device. Since the stadium watching system is provided with the video transmitting device provided with, it is possible to reliably provide the user with necessary information.

According to the fifth aspect of the present invention, the operating means capable of designating the video signal to be received and inputting the predetermined data, the display means capable of displaying the video signal and the predetermined data, and the video signal designated by the operating means. To the display means and, when receiving the channel forced switching control signal, supply a video signal based on the switching control signal to the display means and transmit the predetermined data input by the operating means. Video transmission / reception provided with a portable monitor device provided and a transmission / reception means capable of wirelessly transmitting a video signal of a predetermined photographing location and necessary data to the portable monitor device and receiving data from the portable monitor device Since the stadium watching system is provided with the device, it is possible to reliably provide the user with necessary information.

According to the tenth aspect of the invention, there is provided a portable monitor device comprising a transmitting / receiving means capable of transmitting / receiving a video signal, a display means capable of displaying the video signal received by the transmitting / receiving means, and a built-in battery. , It can provide the user with more information selected by the observer during sports watching or concerts.

According to the eleventh aspect of the present invention, the operating means for designating the video signal to be received, the display means for displaying the video signal, and the video signal of the control signal designated by the operating means are displayed on the display means. Since the portable monitor device is provided with the receiving means for supplying the video signal according to the switching control signal to the display means when receiving the channel forced switching control signal, the user can obtain the information necessary for watching a sport or a concert. More can be provided.

According to the twelfth aspect of the present invention, the operating means for designating the video signal to be received and inputting the predetermined data, the display means for displaying the video signal and the predetermined data, and the video signal designated by the operating means. Is provided to the display means, and when a channel forced switching control signal is received, a video signal according to the switching control signal is given to the display means, and a transmission / reception means capable of transmitting the predetermined data input by the operating means. Since it is a portable monitor device equipped with it, it is possible to provide the user with more information necessary for watching sports or playing a concert.

According to the thirteenth aspect of the present invention, a large number of cameras arranged in the stadium, means for taking in video signals from the cameras, and the position detecting means and the direction of the portable monitor device by the transmitting / receiving means. Position direction specifying means for specifying the direction in which the portable monitor device faces by taking in the position and direction information obtained by the detecting means, and the camera for photographing the vicinity of the position specified by the position direction specifying means. Since the system management device is provided with a video signal selecting means for selecting the video signal of the above, giving it to the transmitting / receiving means and transmitting it to the portable monitor device, more information can be sent to the user at the time of watching a sport or a concert.

According to the fourteenth aspect of the present invention, since it is a video transmission device equipped with a transmission means capable of wirelessly transmitting a video signal of a predetermined photographing location to the portable monitor device, the video can be reliably transmitted to the user. Can be given.

According to the fifteenth aspect of the present invention, a transmitting / receiving means capable of wirelessly transmitting a video signal of a predetermined photographing location and necessary data to the portable monitor device and receiving data from the portable monitor device. Since the video transmission / reception device is provided with, it is possible to surely give the video to the user, and more stable video can be sent by communicating with the user.

[Brief description of drawings]

FIG. 1 is a diagram showing a stadium to which a stadium watching system according to a first embodiment of the present invention is applied.

FIG. 2 is a block diagram showing a portable monitor device and a system management device used in the color image display device according to the first embodiment of the present invention.

FIG. 3 is a flowchart illustrating a mechanism for renting out the portable monitor device of the stadium watching system according to the first embodiment of the present invention and a charging method.

FIG. 4 is a flowchart showing a communication process between a portable monitor device and a system management device of the stadium watching system according to the first embodiment of the present invention.

FIG. 5 is a diagram for explaining an example of ordering by the portable monitor device in the stadium watching system according to the first embodiment of the present invention.

FIG. 6 is a flowchart for explaining operations of the portable monitor device, the system management device, and the salesperson monitor device in the stadium watching system according to the first embodiment of the present invention.

FIG. 7 is a flowchart for explaining an operation when there is a topic such as a home run or when an emergency such as a fire or a crime occurs in the stadium watching system according to the first embodiment of the present invention. .

FIG. 8 is a block diagram showing a portable monitor device in a stadium watching system according to a second embodiment of the present invention.

FIG. 9 is a block diagram showing a portable monitor device in a stadium watching system according to a third embodiment of the present invention.

FIG. 10 is an overall configuration diagram showing a stadium watching system according to an embodiment of the present invention.

FIG. 11 is a block diagram showing a video transmission / reception device and a portable monitor device of a stadium watching system according to a fourth embodiment of the present invention.

FIG. 12 is a diagram showing a part of a video signal transmitted from a video transmission / reception device of a stadium watching system according to a fourth embodiment of the present invention.

FIG. 13 is a block diagram showing a portable monitor device and a video transmission device of a stadium watching system according to a fifth embodiment of the present invention.

[Explanation of symbols]

1 stadium watching system 3 Portable monitor device 5 System management equipment 7,7a, 7b camera 9 satellites 31 operation switch 32 GPS antenna 33 Geomagnetic sensor 34 MCU 35 microphone 36 Receiver circuit 37T wireless transmitter 37R wireless receiver 38 Audio signal expansion circuit 39 voice amplifier 40 speakers 41 Earphone Jack 42 Video signal expansion circuit 43 DAC 44 LCD panel control circuit 45 display panel 46 RF section 47 antenna 51 CPU 52 memory 53 Order Processing Department 54 Emergency Response Processing Department 55 Video storage unit 56 ADC 57 Video signal expansion section 59 Video signal compression unit 60 Sound processing unit 61 bus line 62 microphone 63 speakers 64 RF section 65 antenna 71,73 Display panel 75,77 magnifying optical system 79 Optical sensor 81 Touch sensor 83 CCD camera 85 Video switch 91 Objective lens 92 CCD camera 93 Blanking signal insertion circuit 94 Wireless transmission / reception means 95 RF section 96 antenna

Claims (15)

[Claims] 1. A stadium watching system which provides a large amount of information to participants when watching sports or watching shows, at least a transmitting / receiving means capable of transmitting / receiving a video signal, and a video signal received by the transmitting / receiving means. A portable monitor device provided with a display means, a position detection means capable of receiving a radio wave from a satellite and detecting the current position, a direction detection means capable of detecting the direction of the device based on the earth's magnetism, and a built-in battery; A stadium watching system comprising: a system management device having a transmitting / receiving means capable of transmitting / receiving at least an image to / from a portable monitor device. 2. The portable monitor device comprises a transmitting / receiving means capable of transmitting / receiving voice and other data, an acoustic input means for taking in a sound and giving it to the transmitting / receiving means, and an acoustic output means for converting an acoustic signal received by the transmitting / receiving means into an acoustic sound. The stadium watching system according to claim 1, further comprising: 3. A transmitting / receiving means for transmitting / receiving a video signal, an audio signal and other data, a display means for displaying the video signal received by the transmitting / receiving means, a position detecting means for receiving a radio wave from a satellite to detect a current position, A portable monitor device provided with a direction detecting means capable of detecting the direction of the device based on the earth's magnetism, an acoustic input means for taking in a sound and giving it to the transmitting / receiving means, an acoustic output means for making an acoustic signal received by the transmitting / receiving means into an acoustic sound, and an internal battery. A video signal from a large number of cameras arranged in the stadium, and the position and direction information obtained by the position detection means and the direction detection means of the portable monitor device are taken in to obtain the portable monitor device. A system for identifying the direction in which the camera is facing and transmitting the video signal of the camera photographing the vicinity thereof to the portable monitor device Stadium watching system characterized by comprising: a management device. 4. A stadium watching system which provides a lot of information to participants when watching a sport or watching a show, an operating means for designating a video signal to be received, and a display means capable of displaying the video signal. And a portable monitor device which supplies the video signal designated by the operating means to the display means and supplies the video signal according to the switching control signal to the display means when the channel forced switching control signal is received, And a video transmission device provided with a transmission means capable of wirelessly transmitting a video signal of the shooting location of the video signal to the portable monitor device, and a plurality of the video transmission devices are provided, and each video transmission device is a channel. A stadium watching system characterized by being able to transmit a forced switching control signal superimposed on a video signal. 5. A stadium watching system which provides a lot of information to participants when watching a sport or watching a show, and operating means capable of designating a video signal to be received and inputting predetermined data. Display means for displaying a video signal and predetermined data, a video signal designated by the operating means is supplied to the display means, and when a channel forced switching control signal is received, the video signal according to the switching control signal is displayed on the display means. A portable monitor device provided with a transmitting / receiving means that can supply and transmit the predetermined data input by the operating means, and wirelessly transmit a video signal of a predetermined photographing place and necessary data to the portable monitor device. And a video transmission / reception device provided with transmission / reception means capable of receiving data from the portable monitor device. The stadium watching system is characterized in that a plurality of video transmission / reception devices are provided, and each of the video transmission / reception devices can transmit a channel forced switching control signal by superimposing it on a video signal. 6. The portable monitor device has a plurality of wireless reception means, receives video signals from a plurality of video transmission / reception devices at the same time, and is capable of simultaneously displaying a plurality of videos on the display means. The stadium watching system according to claim 5. 7. The portable monitor device is configured such that information of the video transmitting / receiving device designated by the operating means is given to the transmitting / receiving means so that the information can be wirelessly transmitted, and the video transmitting / receiving received from the portable monitor device is performed. 6. A system management device for receiving device information is provided, and a predetermined service can be provided to a person who has a portable monitor device based on the data obtained by the system management device. Stadium watching system. 8. The portable monitor device is based on at least a display means capable of displaying a video signal received by the transmitting / receiving means, a position detecting means capable of receiving a radio wave from a satellite and detecting a current position, and an apparatus based on geomagnetism. The stadium watching system according to claim 4, 5 or 7, further comprising: direction detecting means capable of detecting the direction of the stadium. 9. The portable monitor device comprises a microphone that captures a voice, a voice recognition unit that forms a predetermined operation signal from a voice signal input from the microphone, and various types of operation signals output from the voice recognition unit. The stadium watching system according to claim 4 or 5, which can be operated. 10. A transmission / reception means for transmitting / receiving a video signal, an audio signal, and other data, a display means for displaying the video signal received by the transmission / reception means, and a position detection for receiving a radio wave from a satellite to detect the current position. A portable monitor device comprising: means, direction detecting means sound capable of detecting the direction of the device based on geomagnetism, and a built-in battery. 11. An operation means for designating a video signal to be received, a display means for displaying the video signal, and a video signal of a control signal designated by the operation means is supplied to the display means and a channel forced switching control signal is supplied. And a receiving means for giving a video signal to the display means by the switching control signal when the portable monitor device is received. 12. An operating means for designating a video signal to be received and inputting predetermined data, a display means for displaying the video signal and the predetermined data, and a video signal designated by the operating means is supplied to the display means. In addition, when the channel forced switching control signal is received, a video signal according to the switching control signal is given to the display means, and a transmission / reception means capable of transmitting the predetermined data input by the operating means is provided. Portable monitor device. 13. A plurality of cameras arranged in a stadium, means for capturing video signals from the cameras, positions and directions obtained by the position detecting means and the direction detecting means of the portable monitor device by the transmitting / receiving means. The position and direction specifying means for specifying the direction in which the portable monitor device is facing, and the video signal of the camera capturing the vicinity of the position specified by the position and direction specifying means. A system management apparatus, comprising: a video signal selecting means for giving to a transmitting / receiving means and transmitting to the portable monitor device. 14. A video transmission device comprising a transmission means capable of wirelessly transmitting a video signal obtained by photographing a predetermined photographing location to the portable monitor device. 15. A transmission / reception unit capable of wirelessly transmitting a video signal of a predetermined photographing location and necessary data to the portable monitor device and receiving data from the portable monitor device. Video transceiver.