JP2001285289A - Information display system and information display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information system that can display a plurality of contents data in real time for many unspecified users, change information contents at any time and allows a user to make a display operation even when the user is located at a place apart from the installed position of the display device. SOLUTION: A server 2 and each of branches 4a, 4b,...4n are interconnected by a broadband network 3, data sent by the server 2 are distributed sequentially to the branches, first to the branch A 4a and finally to the branch N 4n, which returns the result of distribution to the server 2. The server 2 distributes data generated by an entry device 1 to the branch A 4a via a B1 channel and the data are displayed on a display section of the branch A 4a. When the branch A 4a transmits the data via a B2 channel, the branch B 4b receives the data via the B1 channel and displays the data. When the data are distributed up to the final N branch 4n and displayed thereon, the branch N 4n transmits distribution end data to the server 2 to terminate the distribution. Each display section incorporates a personal computer function to allow a remote commander for remote display operations.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information display system capable of effectively displaying information to an unspecified number of people, and an information display device used in the system.

[0002]

2. Description of the Related Art Conventionally, a large number of product service information, advertising posters, and the like for an unspecified number of people are posted at bank counters and public facilities. These service information and advertising posters can be easily created on paper and mass-produced, so that information providers can easily provide information to an unspecified number of people. it can. As a method of displaying information that changes with time, such as interest rate information, for example, Japanese Patent No. 2902541 discloses a technique for displaying information in real time using a fluorescent display tube. In this technique, an item display section and a data display section are provided on the fluorescent display tube, and the display color and brightness are changed by the item display section and the data display section, and the character of the data display section is enlarged. Important information on the data display is displayed prominently.

Further, as a technique for displaying and communicating media information in real time, for example, Japanese Unexamined Patent Application Publication No.
No. 239134 discloses a distributed media transmission system. According to this technique, multimedia data such as media selections and audio and video can be communicated and displayed in high quality in real time without depending on a transmission retry technique that causes a delay.
In addition, the information display device for displaying information uses a general-purpose personal computer provided externally to input a command from a keyboard or a mouse, start up a power supply or an OS, and display desired information on a display unit.

[0004]

However, the information for posting as described above has a fixed content.
To change the information content, the information must be printed again on paper or the like and recreated. In addition, since the content of the information for posting is fixed, if the viewer is bored or the space for posting is limited, it may not be possible to convey all the information to be conveyed. Furthermore, even if there is a sufficient bulletin board space, it is inconvenient to walk around in order to see all the posted information.

[0005] In addition, since the display of interest information and the like according to Japanese Patent No. 2950241 displays only character information,
Information such as visual paintings that appeal to the sight cannot be displayed. Furthermore, since the content data of the information content to be transmitted is distributed for each display unit, there is a difference in display time between the display unit distributed first and the display unit distributed last. Further, JP-A-11-239134
The distributed media transmission system disclosed in Japanese Patent Application Laid-Open Publication No. H10-209400 transmits media only through a so-called multicast network that transmits information only to specific users among users connected to a network, and communicates with an unspecified number of users. Not a broadcast communication.

Further, as for an information display device for displaying information, it is necessary to go to a place where the information display device is installed to start up a power supply, perform an input operation on a keyboard, and the like. Further, since the information display device is separated from the general-purpose personal computer and the keyboard, wiring for connecting them is required, and furthermore, a large installation space is required.

The present invention has been made in view of such circumstances, and has as its object to display a plurality of content data in real time to an unspecified number of users,
An object of the present invention is to provide an information display system capable of changing information content at any time and performing a display operation even at a place remote from a place where a display device is installed.

[0008]

In order to solve the above-mentioned problems, an information display system according to the present invention is arranged such that content data transmitted from a server is distributed to a plurality of display means via a wide area network. In the information display system in which each of the display means displays the received content data, the server distributes the content data of the same content to a plurality of display means by a broadcast which simultaneously transmits the plurality of display means. Are characterized by displaying received content data in real time.

That is, according to the information display system of the present invention, since the server distributes the content data by broadcast to the display unit of each branch, there is no delay in the content data received by each branch. . Further, the display unit of each branch can display the content data distributed from the server in real time. At this time, even if there are a plurality of pieces of content data, these data are stored in the storage devices of the respective display units, and each branch reads out the data sequentially as needed using only one display unit, and obtains the desired content. Data can be cycled and displayed. This improves the display operating rate and eliminates the need for extra space for display. Furthermore, since the distribution time of content data can be shortened,
Expenses for line use time can be significantly reduced.

[0010] The information display system of the present invention is characterized in that each of the plurality of display means downloads and displays the content data registered in the server.

That is, according to the information display system of the present invention, each display means can download and display not only a still image as in a conventional display method but also information such as a moving image and a sound. Therefore, a wide range of information can be provided.

Also, in the information display system of the present invention, the content data distributed by the server is constituted by display data in which information contents are recorded, and schedule data in which the display order of the display data is determined. Are characterized by displaying display data in accordance with schedule data.

That is, according to the information display system of the present invention, since the display order is included in the schedule data, it is possible to perform the information display in accordance with the display order at any given time.

The information display system according to the present invention is characterized in that each of the plurality of display means performs display of the display data repeatedly and display of change of the display data according to schedule data.

That is, according to the information display system of the present invention, important data can be displayed repeatedly by differentiating display data such as important information and general information by schedule data.
Non-critical data can be changed quickly.

Further, in the information display system according to the present invention, each of the plurality of display means includes a remote control data receiving section for receiving data from the remote control, and a keyboard control for performing keyboard control based on the data received from the remote control receiving section. Unit, a personal computer motherboard that performs a personal computer function based on a command from the keyboard control unit, and a display unit that displays content data received from the server based on a command from the personal computer motherboard. Is characterized in that on / off of the power of the display means and display control of the content data received from the server are performed based on data from the remote controller.

That is, according to the information display system of the present invention, the personal computer function is built in the display device and operated by the remote controller, so that the power supply of the display device can be turned on / off even at a place remote from the display device. An OFF operation and a key input operation corresponding to each display content can be performed. Thereby, a small and inexpensive information display system can be constructed.

An information display device according to the present invention is a remote control device for receiving data from a remote control in an information display device for displaying, in real time, content data distributed by a server by broadcast communication over a wide area network. A data receiving unit, a keyboard control unit that performs keyboard control based on data received from the remote control receiving unit, a personal computer motherboard that performs a personal computer function based on a command from the keyboard control unit, and a command from the personal computer motherboard. A display unit for displaying content data received from the server; a keyboard control unit controls ON / OFF of a power supply of the personal computer motherboard and a power supply of the display unit based on data from the remote controller; and a content received from the server. Data display control is performed. .

That is, in the information display device of the present invention, a personal computer motherboard having a personal computer function, a keyboard control unit having a built-in keyboard controller, a remote control data receiving unit, and a display unit for displaying content data are integrated. ing. As a result, the code key-inputted by the remote controller is sent to the keyboard controller in the keyboard controller via the remote controller data receiver. Then, a corresponding operation is selected from each code, and power supply and cutoff, start and stop of the personal computer motherboard, and key input to the personal computer motherboard can be performed. Thus, the entire information display device can be reduced in size, and the installation space can be reduced.

Further, in the information display apparatus of the present invention, the keyboard control unit monitors the personal computer function of the personal computer motherboard at an arbitrary time interval, and when the keyboard control unit determines that the personal computer function is abnormal, the keyboard control unit monitors the personal computer function. It is characterized in that reset control for turning off the power once and turning it on again is performed.

That is, according to the information display apparatus of the present invention, the personal computer function is constantly monitored by periodically polling the keyboard control unit from the personal computer motherboard. Then, when the display function is in a hang-up state, the power supply of the personal computer motherboard is once turned off and restarted, thereby avoiding the hang-up state and clearing the current state of the display device. .

Further, the information display device of the present invention is characterized in that the display unit has a display function by a plasma display.

That is, according to the present invention, a display device can be made thinner by displaying an image on a plasma display, and an information display device that saves power can be realized.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the information display system according to the present invention will be described below in detail with reference to the drawings.
This information display system is a wide area network (W) which is a communication system interconnecting geographically separated computer systems.
A server and a plurality of display units are connected via an AN (Wide Area Network). Then, the server distributes content data such as product advertisements, guidance, news reports, and educational information by broadcast communication, and displays the data on each display unit. In this way, the information display system of the present invention can effectively display information to an unspecified number of people. That is, according to the information display system of the present invention, so-called ordinary multimedia data such as audio data, moving images, still images, and character information can be distributed and displayed in real time.

FIG. 1 is a configuration diagram of an information display system applied to an embodiment of the present invention. In this information display system, an input device 1 and a server 2 are connected by a wide area network (WAN) 3 to a display unit 5 provided in a branch 4.
Is connected to The display unit 5 includes a display device 5a and a display control device 5b that controls the display device 5a. It should be noted that the branch 4 has a plurality of display units 5, and since the branch 4 is usually composed of a plurality of branches, the plurality of display units 5 are connected to the wide area network 3.

The input device 1 is a device that creates or edits content data to be transmitted, for example, multimedia data such as audio, moving images, still images, and character information. It is a device that manages display schedules and distributes data to each display unit 5, and is positioned as a headquarters for the branch 4. Note that the input device 1 and the server 2 may be integrally configured. Furthermore, the display unit 5 is a device that displays the content data received from the server 2, and usually uses a plasma display (PD), a commercially available television, or the like.

FIG. 2 is a configuration diagram showing a flow of data distribution in the information display system shown in FIG. The figure shows a server 2 as a headquarters, and a branch A branch 4a,
B branch 4b ... N branch 4n are connected by the wide area network 3,
The content data transmitted by the server 2 is sequentially distributed to each branch from the A branch 4a, and the distribution result is the last N branch 4n.
From the server 2 to the server 2.

FIG. 3 is a flow chart showing the flow of content data distribution in the data distribution configuration diagram of FIG. Therefore, the flow of content data distribution will be described with reference to the data distribution configuration diagram of FIG. 2 and the flowchart of FIG. First, the input device 1 creates individual content data to be transmitted. The content data may be any general multimedia data such as audio, moving images, still images, and character information. In the case of changing the content data, the change data may be input from the input device 1 in the same procedure (Step S1, hereinafter, the steps are omitted).

Next, the B2 channel of the ISDN line is connected from the server 2 to the display unit of the A branch 4a, and the server 2 distributes the content data received from the input device 1 to the A branch 4a via the B1 channel. At this time, the content data may be divided and distributed instead of collectively (S2). Then, the display unit of the A branch 4a displays the content data received on the B1 channel (S3), and further distributes the content data to the B branch on the B2 channel (S3).
4). At this time, the A branch 4a can also fetch the received content data into its own storage device and display the schedule, if necessary.

Next, the B branch 4b moves from the A branch 4a to the B2
The content data distributed on the channel is received on the B1 channel, and the content data is displayed on its own display unit (S5). Further, the B branch 4b distributes the content data to the next branch via the B2 channel (S6).
In the following distribution, each branch can take in the received content data into its own storage device and display the schedule as necessary.

Thus, the BI channel provides:
When the content data is distributed to the last distribution branch N branch 4n and the content data is displayed on its own display unit (S7), the N branch 4n becomes the head office server 2
The transmission end data is transmitted to the B2 channel (S8).
Then, when the server 2 receives the distribution end data, the server 2 ends the distribution (S9). As a result, the content data can be distributed from the server 2 to each branch in real time.

FIG. 4 is a flowchart showing the flow of processing for displaying content data on each display unit in real time. That is, in order to display the distributed content data in real time, first, a “WWW server” function is added to the server 2. That is, HT
The server 2 has a function of transmitting information such as audio, still images, moving images, and character information described in the ML format through the WWW (World Wide Web) (S11).

Next, the server 2 registers an IP (Internet Protocol) address for identifying an accessible branch in advance in order to ensure security (S12). Further, the server 2 displays real data such as a moving image on a Web page using, for example, a video or a camera (S13). Next, the display unit of each branch accesses the Web page of the server 2 (S1).
4). Further, the display unit of each branch displays the content data such as the moving image displayed on the Web page of the server 2 using the streaming method in real time without storing it as a file (S15).
The streaming method is a method in which a large amount of data is recorded on a magnetic tape or the like and data is transferred.

Thus, each branch 4a, 4b... 4n
Can display the content data distributed from the server 2 in real time. Also, even if there are a plurality of content data, since these content data are stored in the storage devices of the respective display units,
The data can be sequentially read from the storage device and displayed. As described above, according to the information display system of the present invention, the content data can be sequentially circulated and displayed using only one display unit. That is, since a plurality of information can be displayed on one display unit, the display operation rate is improved, and no extra space is required for display. Further, not only the display of a still image as in the conventional display method, but also a moving image, a sound, or the like can be output to the display unit, so that information can be provided over a wide range.

Further, the information display system of the present invention performs display in real time.
Since the distribution time of the content data can be reduced, the cost of the line usage time can be significantly reduced. Furthermore, in the conventional information display system, when a moving image has a large amount of data, distribution is performed on a video tape. However, according to the information display system of the present invention, such data can be distributed in real time. Therefore, there is no need to perform physical distribution as in the related art. Therefore, it is possible to reduce the cost for producing the video tape, and the cost is only the cost for producing the original. Furthermore, since the display can be performed in real time, it can be used as a monitoring device in a remote area.

Next, the difference in the data distribution time between the information display system of the present invention and the conventional information display system will be compared. As an example, assume that the amount of content data distributed by the server 2 is 10 MB, the amount of one transmission is 5 Kbite / sec, and the number of branches is 10 stores. First, the required distribution time when data distribution is performed by the information display system according to the related art is obtained. Delivery time per branch is 10MB ÷ 5Kbite / s
ec = 2000sec = 33.3min Total delivery time is 33.3min × 10 branches = 333min = 5.5h

Next, the time required for distribution in the case of performing broadcast distribution by the information display system of the present invention is obtained. The delivery time per branch is 10MB / 5Kbite / sec = 2000sec = 33.3m
in When the division unit of content data is 50Kbite, 1
The distribution time for each time is 50 Kbite ÷ 5 Kbite / sec = 10 sec.
Total delivery time = (n + 1) × one delivery time when divided + delivery time per branch (where n is the total number of branches), so total delivery time = (10 + 1) × 10 sec + 2000 sec = 2110
sec = 35.2min = 0.58h. Therefore, when comparing the conventional delivery time with the delivery time according to the present invention, 5.5
h: 0.58h = 10: 1 That is, the information display system of the present invention reduces the distribution time of the content data by about 1/10.
Can be shortened.

In the information display system shown in FIG. 1, the display unit 5 in each branch 4
The display of the content data is performed by controlling the display device 5a with b. Such a display device 5a
In general, a plasma display panel (PDP) is used. Such a display device is hereinafter referred to as a PDP display device.

FIG. 8 is an example of a configuration diagram of a PDP display device used in a conventional information display system. That is, as shown in the figure, the conventional PDP display device is connected to a general-purpose PDP 21 with an external general-purpose personal computer (hereinafter, referred to as “PDP”).
A general-purpose PC) 22, a keyboard 23 and a mouse 14
Is connected. The PDP 21 includes a plasma display (PD) 21a, a PD control board 21b for controlling the PD 21a, and two outlets 25 and 26.

In operating this PDP display device,
By controlling the general-purpose PC 22 by inputting commands using the keyboard 23 and the mouse 24, the PD 21a displays content information such as audio, moving images, still images, and character information. At this time, when the general-purpose PC 22 is started up, the power switch of the main body of the general-purpose PC 22 is manually turned on, and then a command is input with the keyboard 23 to activate the OS mode. In the case of such an operation, it goes without saying that the user goes to the installation location of the PDP display device and operates the power switch or the keyboard 23 to start the power supply or the PDP.
The DP display must be started.

As described above, in the conventional PDP display device, it is necessary to secure a space in which the general-purpose PC 22 and the PDP 21 are individually installed.
It is necessary to lay a cable between them and prepare at least two power outlets. Further, since the keyboard 23 is operated by wire, remote operation cannot be performed. Therefore, when the general-purpose PC 22 and the PDP 21 are installed at remote places, the operation becomes impossible. Further, the general-purpose PC 22 is used for turning the power ON / OFF.
And the PDP 21 must be operated separately.
It should be noted that the general-purpose PC 22 and the PDP 21 can be integrated, but if they are physically integrated, there are problems such as an increase in the size of the entire apparatus and an increase in cost.

Therefore, in the present invention, the power ON / OFF
Provided is a PDP display device in which control and display control using a keyboard can be performed by remote control, and the entire device can be reduced in size. FIG. 5 is a configuration diagram of a PDP display device used in the information display system of the present invention. In the figure, the PDP display device of the present invention
11 can be controlled by a remote controller 12. The PDP 11 includes a control board 13, a general-purpose PC motherboard 14, a PD 15, a PC power unit 16, a PD power unit 17, a remote control light receiving unit 18, and a power outlet 19. The control board 13 includes a CPU unit 13b that performs power control of the PC power supply unit 16 and the PD power supply unit 17 and keyboard control of the general-purpose PC motherboard 14.
A remote control section 13a for receiving a signal from the remote control light receiving section 18 and discriminating the signal to perform control.

Next, the PD display control performed by the control board 13 will be described. First, the case where the PC power supply unit 16 and the PD power supply unit 17 are manually turned ON / OFF will be described. When an arbitrary key is input by the remote controller 12, this signal is received by the remote controller controller 13a via the remote controller light receiver 18, and the key signal is converted into a specific code. Further, the converted specific code is transmitted to the CPU 13
b, ON / OFF of the PC power supply unit 16
Access the port to turn on / off the PC power supply. Similarly, when an arbitrary key is input by the remote controller 12, this signal is received by the remote controller controller 13a via the remote controller light receiver 18, and the key signal is converted into a specific code. Then, the converted specific code is stored in the CPU.
Is analyzed by the unit 13b and the ON /
Access the OFF port to turn on / off the power supply for PD
Perform control.

Next, the PC power supply unit 16 and the PD power supply unit 1
A description will be given of a case where the ON / OFF operation is automatically performed on 7. The PDP 11 is provided with timing means (not shown),
When the set time comes, the general-purpose PC motherboard 14
Is connected to the control board 13 via the serial interface.
ON of PC power supply unit 16 and PD power supply unit 17
Send a / OFF command. Then, the control board 13
Receives the command sent from the serial interface, analyzes this command by the CPU 13b,
ON / OFF of PC power supply unit 16 and PD power supply unit 17
Access the port to turn on the PC power supply and PD power supply.
N / OFF control is performed.

Next, a process when the general-purpose PC motherboard 14 enters an uncontrollable hang-up state will be described. A regular periodic signal is transmitted from the general-purpose PC motherboard 14 to a printer interface (not shown), and the regular signal is detected by the control board 13.
When the periodic signal is not detected, the control board 13 determines that the general-purpose PC motherboard 14 is in a hang-up state.
When the control board 13 determines the hang-up state, it accesses the ON / OFF port of the PC power supply unit 16 to turn the PC power supply from ON to OFF, and again returns to the PC power supply.
Restart the power supply for use.

As a method of supplying the power for the PC, for example, the AC 100 is input from the power outlet 19, a specific voltage is generated by a general-purpose switching power supply (not shown), and the specific voltage is supplied to the control board 13. further,
The control board 13 converts the specific voltage into a voltage required by the general-purpose PC motherboard 14 and supplies the voltage to the general-purpose PC motherboard 14.

FIG. 6 shows a control board and a general-purpose PC in FIG.
It is a flowchart of the monitoring timing with a motherboard. That is, the general-purpose PC motherboard 14 and the control board 1
A monitoring operation is performed by performing a polling operation as shown in FIG. 6 with a third monitoring device (not shown). First, after the power supply of the monitoring apparatus is turned on, the supply of AC power to the general-purpose PC motherboard 14 (hereinafter, referred to as a display control PC) is started (S21). Then, the display control PC is activated, the monitoring timer is set to, for example, 5 minutes, the timer is activated, and the monitoring by the monitoring device is started (S2).
2). Then, the display control PC periodically notifies the monitoring device, for example, every 10 seconds, of “schedule, IE,
The message "TV tuner / video capture / subscription" is polled to confirm whether or not it is operating normally (S23).

At this time, when the polling is stopped and the monitoring timer times out, the monitoring device turns on the supply of AC power to the display control PC from OFF to ON, and restarts the display control PC. Then, the display control PC starts rebooting and sets the monitoring timer to 10 minutes (S
24). That is, since the reboot requires a longer processing time to restart the system, the monitoring time is generally longer. Further, when the display control PC is activated again, the monitoring timer is set to 5 minutes to start monitoring (S25). Monitoring is performed according to such a processing procedure, and when a predetermined program ends, the display control PC notifies the monitoring device of the end of monitoring (S26), and ends the monitoring.

Next, returning to FIG. 5, a keyboard alternative operation using the remote controller 12 will be described. Remote control 12
When an arbitrary key input is performed, the key signal is received by the remote control controller 13a via the remote control light receiving unit 18, and is converted into a specific code corresponding to the key signal.
Further, the specific code is analyzed by the CPU 13b and is reconverted into a keyboard code. Then, this keyboard code is transmitted to the general-purpose PC motherboard 14 via the interface, and the general-purpose PC motherboard 14
Performs a process corresponding to the keyboard code.

FIG. 7 is an example of a configuration diagram of a remote controller used in the PDP display device of the present invention. The size and configuration are almost the same as those of a home remote controller. That is,
The operation buttons of the remote controller 12 include a “power” button 12 a for turning on / off the power, a “wide” button 12 b for switching between normal / wide on the screen, a “mode” button 12 c for switching input of RGB / VIDEO, A "+,-" button 12d for adjusting volume, a "setting" button 12e for function setting,
An "image" button 12f for performing image adjustment setting, a "screen" button 12g for performing screen adjustment setting, and an "end" button 12 for ending the adjustment screen
h, “<,>” buttons 12i and “end” buttons 12 for performing each adjustment setting
h to shut down the PC, or
A "shift" button 12j for operating with the button 12i to shift to the content switching mode, a "BACK" button 12k for displaying the previous content, a "NEXT" button 121 for displaying the subsequent content, and a "*" for the maintenance screen 1 "button 12m
And a "* 2" button 12n.

That is, the PD of the present invention as shown in FIG.
According to the P display device, a general-purpose PC motherboard 14, a control board 13 having a built-in keyboard controller, and a remote control light receiving section 18 are built in the PDP 11. As a result, the code input by the remote controller 12 is transmitted to the keyboard controller in the control board 13 via the remote controller light receiving unit 18. Then, a corresponding operation is selected from each code, and the PC power supply unit 16 is selected.
Supply and cutoff of AC power of power supply unit 17 for PD and PD, general-purpose PC
Starting and stopping of the mother board 14 and key input to the general-purpose PC motherboard 14 are performed.

As described above, according to the PDP display device of the present invention, the keyboard operation and the power ON / OFF operation of the PC can be performed by remote control using the remote controller.
Since the automatic recovery at the time of the PC hang-up can be performed, the reliability can be improved. In addition, general-purpose PC
By incorporating the motherboard 14, the installation space of the PDP display device can be reduced. Further, by using a switching power supply, the PDP display device can be made thinner.
A cable between the display devices is not required, and the number of power outlets can be reduced from two to one.

Returning to FIG. 2, the PDP as described above
A plurality of display devices are arranged for each of the branches 4a, 4b... 4n. First, the input device 1 of the headquarters 2 serving as a center
However, the user inputs and creates data using an ordinary personal computer. The input data includes display data and schedule data, and the display data is scheduled to be displayed according to the schedule data.
A personal computer that creates data with the input device 1 is connected to an arbitrary line of the public network 3 via a server 2 serving as a headquarters. This line includes a public line and a specific line, and has a LAN connection configuration such as an Internet connection or an intranet connection. Note that the server may be located on the branch side.

The scheduled distribution data is usually
It is distributed from the headquarters 2 to the branches 4a, 4b,... 4n once a day. The distribution data may be different for each branch. For example, it is also possible to prepare several types of branch-specific information, regional information relating to the branch, and the like at the headquarters 2 side, and distribute them to each branch as needed. Note that the normal display data is interest rate information, news information, and the like. These data are stored in the memory (not shown) of the control device 13 or the general-purpose PC motherboard 14 in FIG. You can also.

By operating the remote controller 12, the two power supplies are turned on / off, that is, the power supply of the PD 15 is turned on.
N / OFF and power ON / OFF of general-purpose PC motherboard 14
OFF can be instructed. Further, the power of the PD 15 is turned ON / OFF, but the power of the control
In the N state, the general-purpose PC motherboard 14
The power supply is turned on / off in response to a command from the control unit 3.
As for the operation of the remote controller 12, it is possible to instruct to display another data while displaying data according to the schedule. For example, so-called screen switching, such as displaying data to be displayed in another time zone or changing the page of the display data, can be performed.

The embodiment described above is an example for explaining the present invention, and the present invention is not limited to the above embodiment, and various modifications are possible within the scope of the invention. . For example, other data such as unique information or regional information for each branch can be input from a remote controller and displayed as data.

[0057]

As described above, according to the information display system of the present invention, the content data can be circulated and displayed on only one display unit, and the display can be performed in real time. The distribution time of the content data can be reduced, and the line usage fee can be significantly reduced. Further, since the display operation rate is improved as described above, no extra space is required for display, and the entire display device can be reduced in size. As a result, cost can be reduced. In addition, not only the display of a still image as in the conventional display method, but also a moving image, audio, and the like can be output to the display unit, so that information can be provided over a wide range.

Furthermore, the information display device used in the information display system of the present invention does not go to the installation location of the general-purpose PC when the power supply for the device is started or shut down, but is located at a place away from the information display device. Also, a key input operation can be performed corresponding to the power ON / OFF operation and each display content. In addition, by incorporating a general-purpose PC function inside the PDP, a small and inexpensive information display device can be realized. Further, a connection cable between the PDP and the general-purpose PC becomes unnecessary, and the installation space for the information display device can be reduced. Therefore, by mounting the display device of the present invention on an information display system, an extremely convenient information display system can be realized.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an information display system applied to an embodiment of the present invention.

FIG. 2 is a configuration diagram showing a flow of data distribution in the information display system shown in FIG.

FIG. 3 is a flowchart showing a flow of distribution of content data in the data distribution configuration diagram of FIG. 2;

FIG. 4 is a flowchart showing a flow of processing for displaying content data on each display unit in real time.

FIG. 5 shows P used in the information display system of the present invention.
FIG. 2 is a configuration diagram of a DP display device.

FIG. 6 is a flowchart of monitoring timing of the control board and the general-purpose PC motherboard in FIG. 5;

FIG. 7 is an example of a configuration diagram of a remote controller used for the PDP display device of the present invention.

FIG. 8 shows a PD used in a conventional information display system.
It is an example of a block diagram of a P display device.

[Explanation of symbols]

 Reference Signs List 1 input device 2 server (head office) 3 wide area network (WAN) 4 branch 4a A branch 4b B branch 4n N branch 5 display unit 5a display device 5b display control device 11, 21 PDP (plasma display panel) 12 remote control 13 control board 13a Remote controller control unit 13b CPU unit 14 general-purpose PC motherboard 15, 21a PD (plasma display) 16 PC power supply unit 17 PD power supply unit 18 remote control light-receiving unit 19, 25, 26 power outlet 21b PD control board 22 general-purpose PC 23 keyboard 24 mouse

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shoichiro Miyashita 3-14-20 Higashinakano, Nakano-ku, Tokyo Kokusai Electric Co., Ltd. (72) Isao Watanabe 3-14-20 Higashinakano, Nakano-ku, Tokyo Inside (72) Inventor Akira Takiguchi 3-14-20 Higashinakano, Nakano-ku, Tokyo Inside Kokusai Electric Co., Ltd. (72) Inventor Shozo Watanabe 3-14-20 Higashinakano, Nakano-ku, Tokyo Kokusai Electric F-term (reference) 5B055 PA02 PA05 PA07 5C082 AA01 AA03 AA22 AA34 BA02 BA12 BB01 CA76 CB05 DA87 MM09 MM10 5E501 AA09 AC25 BA05 CC02 EA03 EA15 FA13 5K030 GA18 HA05 HB07 HB21 HC01 HC05 LD03 LE07 CC07 EJ03 EJ07 EJ 001

Claims (8)

[Claims] 1. Content data transmitted by a server is:
In an information display system that is distributed to a plurality of display units via a wide area network and each of the plurality of display units displays received content data, the server may be configured such that: An information display system, wherein contents data of contents is distributed by broadcast for simultaneous transmission, and each of the plurality of display means displays the received contents data in real time. 2. The information display system according to claim 1, wherein each of the plurality of display units downloads and displays content data registered in the server. 3. The content data distributed by the server includes display data in which information content is recorded, and schedule data in which the display order of the display data is determined. The information display system according to claim 1 or 2, wherein the display data is displayed according to the following. 4. The information display system according to claim 3, wherein each of the plurality of display units repeatedly displays the display data and displays a change of the display data according to the schedule data. 5. A remote control data receiving unit for receiving data from a remote controller, a keyboard control unit for performing a keyboard control based on data received from the remote control receiving unit, and A personal computer motherboard that performs a personal computer function based on a command from the unit, and a display unit that displays content data received from the server based on a command from the personal computer motherboard. The power supply of the display means is turned on / off and display control of content data received from the server is performed based on data from the remote controller. Information display system. 6. A remote control data receiving section for receiving data from a remote controller in an information display device for displaying content data distributed by a server by broadcast over a wide area network in real time; A keyboard control unit that performs keyboard control based on data received from the unit, a personal computer motherboard that performs a personal computer function based on a command from the keyboard control unit, and a command received from the server based on a command from the personal computer motherboard. A display unit for displaying content data, wherein, based on data from the remote controller, the keyboard control unit controls ON / OFF of power of the personal computer motherboard and power of the display unit, and content received from the server. Specially controls data display. Information display device according to. 7. The keyboard control unit monitors a personal computer function of the personal computer motherboard at an arbitrary time interval. When the keyboard control unit determines that the personal computer function is abnormal, the power supply of the personal computer motherboard is temporarily turned off.
The information display device according to claim 6, wherein reset control is performed to turn on again. 8. The information display device according to claim 6, wherein the display unit has a display function using a plasma display.