JPH0682346B2 - Information system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in the following order.

A Industrial Field B Outline of the Invention C Prior Art D Problems to be Solved by the Invention E Means for Solving Problems (Figs. 1 and 2) F Action (Figs. 1 and 2) G) Example (G1) Configuration of information system (FIGS. 2 and 3) (G2) Basic data processing procedure (FIGS. 2 to 6) (G3) Operation mode of information system (first) (Figs. 6 to 6) [1] Initialization mode [2] Other operation modes (1) Page image screen, television image screen, screen combination mode (2) Arrival / exit table mode (3) Vehicle dispatch request mode (4) Emergency / e-mail mode (5) Monitor 22 on / off control mode (G4) Other embodiment H Effect of the invention A Industrial field of application The present invention relates to an information system, and in particular, by combining a plurality of devices It is suitable for application when building an information system It is such.

B. Summary of the Invention The present invention is an information system adapted to distribute information from a center information source to a plurality of terminal devices under the control of a host computer. By initializing the terminal device, when the information system is configured by combining a plurality of devices each having a single function, the terminal device can be initialized without causing the user to feel uneasy.

C Conventional Technology An information system that distributes information from a conventional center to a predetermined distribution destination as needed is adopted as an in-house information system within one company. The number of distribution destinations and the amount of information to be distributed. , The types of information that can be distributed tend to become larger and larger.

When increasing the scale of an information system, the types and number of devices that realize the functions assigned at each stage of the information system will increase, but when designing the devices at each stage, each device If it can be configured so that it can perform independent functions, it is considered that the device at each stage can be designed relatively easily and simply in practical use. In fact, it is actually relatively easy to design and obtain a device that realizes a relatively limited function by itself.

D. Problems to be Solved by the Invention When attempting to construct a single information system by combining a plurality of devices that function independently as described above, the initial state when the power is turned on shifts to the normal operation state. When doing
Since each device constituting the information system takes an arbitrary initial operation state, there is a fear that the user may feel anxiety during the start-up operation until the normal operation of the entire information system is started.

The present invention has been made in consideration of the above points, and provides an information system that can prevent the user from feeling uneasy until the user enters a normal operating state when the power of each terminal is turned on. It is a proposal.

E Means for Solving the Problems In order to solve such a problem, in the present invention, a center 3 having a database 6 in which image data is stored and a host computer 4 for reading out and outputting the image data stored in the database 3 And a display device 52 for selectively displaying image data from a plurality of signal sources and a video text data processing device for converting the image data supplied from the host computer 4 via the communication network 2 into a display image signal.
In the information system including the terminal device 1A, 1B having control means 23 for controlling the display device 52, the display device 52, and the video text data processing device 21, and the operation switch 24 connected to the control device 23, the terminal device 1A , 1B ... When the power is turned on, the control means 23 in the terminal devices 1A, 1B ... Sends a confirmation signal indicating that the power is turned on to the host computer 4 via the communication network 2, and the host computer 4 In response to the confirmation signal, the device control data for designating the display mode of the display device 52 and the data indicating that the initialization operation is in progress are transmitted via the communication network 2 to the terminal device 1A,
1B ..., and the control means 23 in the terminal devices 1A, 1B ... switches the display device 52 to a predetermined display mode based on the device control data, and at the same time displays data indicating that the initialization operation is in progress. A corresponding image is displayed on the display device 52.

F-action When the terminal device 1A, 1B ... Is turned on, a confirmation signal is sent from the terminal device 1A, 1B .... to the host computer 4, and the host computer 4 responds to this and performs device control. Data and data indicating that the initialization operation is being performed are transmitted.

According to this device control data, the terminal device 1A,
The display device 52 is operated in the display mode by controlling the devices constituting 1B ... And an image showing that the initialization operation is being performed is displayed.

Thus, the terminal devices 1A, 1B ... Are the host computers 4
Is stably initialized to a predetermined operation mode according to the above, and an image indicating that the initialization is in progress is displayed on the display device 52, and thus each terminal is effectively enabled without fear of causing the user anxiety. It is possible to obtain an information system capable of initializing the devices 1A, 1B ....

G Example Hereinafter, the drawings will be described in detail as examples when the present invention is applied to an information system in one company.

(G1) Configuration of Information System FIG. 2 shows the information system as a whole, and a large number of terminal devices 1A, 1B, ... Installed in predetermined departments in the company are connected to the center 3 via the communication network 2, respectively. . In the case of this embodiment, the information system is arranged to distribute information necessary for business management to each section constituting the management department of the company, and the terminal devices 1A, 1B ... It is provided in the office of the manager.

The center 3 includes a central processing unit 5 controlled by a host computer 4, a video text database 6 storing page image data, and an input unit 7.

When a request is issued from the terminal devices 1A, 1B, ..., The host computer 4 receives the request via the communication network 2, reads the corresponding page image data from the video text database 6, and requests via the communication network 2. Terminal device 1
Supply to A, 1B .... In addition to this, the central processing unit 5
Even if there is no request from the terminal devices 1A, 1B, ... Based on the data input from the input device 7 of the center 3, as needed, all or some of the terminal devices 1A, 1B. Then, predetermined page image data can be supplied, and thus emergency information can be distributed.

Further, the center 3 has a data / video conversion device 8 and operates the data / video conversion device 8 when predetermined page image data (that is, “enter / leave table” page image data) is retrieved from the video text database 6. supplied to the CATV line 10 is converted into a television video signal TVIN _I by.

The CATV line 10 is from a general broadcast received by the television antenna 15, a satellite broadcast (for example, meteorological broadcast) received by the parabolic antenna 16, and another television video signal source 17 (for example, a video signal recording device). In response to the obtained television image signal TVIN ₀ , the terminal device 1
Supply to A, 1B ... and television receivers 11A, 11B. Here, the television receivers 11A, 11B, ... Are provided in, for example, a specific workplace, a cafeteria, a lobby, etc., and are capable of providing television employee video information to general employees.

In addition to the above configuration, the information system of FIG. 2 is configured so that the center 3 can be connected to the vehicle dispatch center 19 via the communication network 2, and thus the terminal devices 1A, 1B ... When a request is made, the host computer 4 instructs the dispatch center 19 to arrange a dispatch through the communication network 2,
Upon receiving the report of the result, the terminal device that has received the request can be notified of that fact.

Further, the communication network 2 is coupled with input devices 12A, 12B, ... Arranged at predetermined positions other than the terminal devices 1A, 1B, ..., For example, code data designating emergency information can be inputted. There is.

As shown in FIG. 3, the terminal devices 1A, 1B, ... Have a video text data processing device 21, a monitor 22, a master key input device 23, and a slave key input device 24.

The video text data processing device 21 has a central processing unit (CPU) 31 of a micro computer configuration, and a bus 32
It is connected to the communication network 2 through the bus 32, the input / output device 34, and the modem 35 according to the program read from the program ROM 33 through the RAM 36 when the page image data is fetched through the modem 35 and the input / output device 34. Data processing.

The CPU 31 of the video text data processing device 21 is connected to the master device key input device 23 through the input / output device 37. The master key input device 23 has a CPU 41, a program ROM 42, a RAM 43 and an input / output device 44 of a one-chip microcomputer configuration, and when each key of the key matrix 45 is operated by a key top arranged on the keyboard. After the CPU 41 fetches the input data into the RAM 43 through the input / output device 44 in accordance with the program of the program ROM 42, it can be transferred to the CPU 31 through the input / output device 44 and further through the input / output device 37 of the video text data processing device 21. It is done like this.

On the contrary, the CP of the video text data processing device 21
When the code data having the content of remotely controlling the monitor 22 is given from the U31, the remote control signal RMT is transmitted through the input / output device 44. Also CPU
I / O device for lighting command data or echo command data from 31
Received by the CPU 41 of the main unit key input device 23 through 37, 44,
For example, the display element 46 formed of an LED or the alarm element 47 formed of a buzzer is operated.

The child device key input device 24 has a key switch 48 whose opening and closing is controlled by operating a key top, and the input data thereof is sent to the CPU 41 via the input / output device 44 of the parent device key input device 23.
Is supplied to. Here, the key switch 48 is a key switch (“attended” switch, which is a part of the key switch included in the key matrix 45 of the master key input device 23,
There is a one-to-one relationship between the "away" switch, the "absent" switch, and the "distributed switch"), and thus the key input is the same as when the keys of the key matrix 45 are operated by the key switch 48. Data can be supplied to the CPU 41.

Further, the child device key input device 24 has a display element 49 and an alarm element 50 corresponding to the display element 46 and the alarm element 47 of the parent device key input device 23, and when the display element 46 and the alarm element 47 operate, It is controlled by the CPU 41 of the master device key input device 23 so as to operate in parallel with this.

The monitor 22 is a TV video signal TV from the CATV line 10.
It has a television signal receiving section 51 for receiving IN ₀ . The television signal receiving section 51 selects one of a plurality of channel television image signals coming from the CATV line 10 by a built-in television channel circuit, and then similarly uses a built-in standard television. Three primary color signals RGB1 having the format of a standard television system (for example, NTSC system) television signal in the digital signal decoding circuit.
Through the switch circuit 53 of the display device 52 to the cathode ray tube (CR
T) 54, thus displaying the reproduced image of the television video signal received on the CRT 54.

Similarly, the television signal receiving unit 51 reproduces the audio signal AUD1 from the television signal received by the channel selection and supplies the audio signal AUD1 to the speaker 56 through the switch circuit 55 of the sound device 58, thereby selecting the channel. Reproduces the sound of the received TV video signal.

The reception tuning operation of the television signal receiving section 51 is controlled by the control signal CON1 of the remote control circuit 57. The remote control circuit 57 has a remote control signal RMT supplied from the master key input device 23.
The corresponding control signal CON1 is supplied to the television signal receiving section 51. At the same time, the remote control circuit 57 controls the switch circuits 53 and 55 by the control signal CON2 while controlling the television signal receiving section 51 by the control signal CON1 to output the three primary color signals RGB1. The audio signal AUD1 is supplied to the speaker 56 while being supplied to the CRT 54.

Here, in the parent device key input device 23, the key matrix 45 has a television reception mode (that is, a "television" display mode).
When the designated tuning operation is performed, the CPU 41 sends the corresponding remote control signal RMT via the input / output device 44 to control the television signal receiving section 51 to the tuning receiving state. When the key matrix 45 of the master key input device 23 is designated to the page image data reception mode (that is, the "management information" display mode), the remote control circuit 57 activates the switch circuits 53 and 55 by the control signal CON2. A switching operation is performed on the video text data processing device 21 side.

Further, the remote control circuit 57, when the key matrix 45 of the master key input device 23 is designated in the superimpose reception mode (that is, the screen composite display mode),
According to the control signals CON1 and CON2, the television video signal RGB1 and the audio signal AU of the television signal receiving unit 51
Input D1 to the switch circuits 53 and 55. At this time, the video text data processing device 21 determines the image display signal VTX based on the key input data input from the master key input device 23.
By alternately switching the switch circuit 53 by the superimpose bit SPI included in the TV display video signal RGB1, the image display signal VTX image signal R
Display the screen that superimposes GB2.

The video text data processing device 21 has a video RAM 61 for supplying an image display signal VTX to the monitor 22 and a sound generator 62 for supplying an audio signal AUD2 to the monitor 22.

The video RAM 61 obtains an image signal RGB2 for displaying a page image on the CRT 54 and a superimpose bit SPI based on the page image data coming from the communication network 2 via the modem 35.

When the CPU 31 converts the page image data into the image display signal VTX and displays it on the CRT 54 of the monitor 22, the sound generator 62 generates a sound indicating this (for example, a click sound) under the control of the CPU 31. As a result, the user can be audibly notified of the arrival of new image display data.

In this way, the terminal device from the center 3 via the communication network 2
The page image data transmitted to 1A, 1B, ...
And is displayed on the CRT 54 of the monitor 22, and at the same time, an audio signal AUD2 is generated in the sound generator 62 each time page image data arrives.

The video text data processing device 21 includes a printer 6
3. The recording device 64 is connected so that the page image data transmitted from the center 3 to the CPU 31 can be printed out and recorded.

(G2) Basic data processing procedure With the above configuration, the information system is the terminal device 1A, 1B.
The center 3 creates device control data on the basis of the request from the ..., and the device control data controls the respective devices of the terminal devices 1A, 1B. Responsive to display a screen based on the signal.

That is, in step SP1 of FIG. 4 (A), when the user operates a desired key using the master device key input device 23 of the terminal devices 1A, 1B ..., The CPU 41 of the master device key input device 23 operates in response. Then, the code data corresponding to the key operated in the next step SP2 is sent to the video text data processing device 21 through the input / output device 44.

At this time, the CPU 31 of the video text data processing device 21 fetches the code data from the master key input device 23 through the input / output device 37 in step SP3 and converts it into a code which can communicate with the center 3 and then in step SP4. It is determined whether or not a key for controlling the function of the video text data processing device 21 itself has been operated. If a positive result is obtained here, the CPU 31 moves to the next step SP5 and executes the processing. The processing of the video text data processing device 21 itself includes a two-screen mode and a recording device.
There are processes such as recording and reproducing page image data on the 64, and printing out the data to the printer 63.

On the other hand, if a negative result is obtained in step SP4, the CPU 31 of the video text data processing device 21 moves to step SP6 and sends the key input data to the center 3 via the communication network 2.

Here, when controlling functions other than the video text data processing device 21, a request for pulling out page image data stored in the video text database 6 of the center 3, a request for inputting page image data for the entry / exit table, a dispatch center There is a vehicle dispatch request to 19, and a request to set the display mode of the monitor 22.

At this time, the host computer 4 of the center 3
After receiving and storing the key input data in SP7, the process corresponding to the key input data is executed in the next step SP8, and the page image data or the device control data is sent via the communication network 2 as a response to the request. Send back to the requesting terminal.

The center 3 stores the request data coming from the terminal at step SP7 each time the display mode is specified, the reception channel is specified, and the page image data to be extracted is specified from the terminal devices 1A, 1B .... By
It is possible to create data for grasping the operational status of information systems.

At this time, in the terminal device, the CPU 31 of the video text data processing device 21 receives the data sent from the center 3 through the communication network 2 at step SP9, and the data sent at the next step SP10 is the device control. Judge whether it is data or not.

Here, the device control data means control data for all the devices that the host computer 4 needs to control when viewed from the host computer 4 of the center 3, and the first control item is the video text data processing device 21. 2 has an item for controlling the display mode when displaying image data on the monitor 22, and a second item for controlling the master unit key input device 23 and the slave unit key input device 24. Among the control items for the master key input device 23, the items for controlling the display element 46 and the alarm element 47 included in the master key input device 23 and the items for controlling the output of the remote control signal RMT to the monitor 22. And are included.

On the other hand, when the data transmitted from the center 3 to the video text data processing device 21 is not the device control data, it is extracted from the video text database 6 of the center 3 and becomes page image data.

Therefore, when the CPU 31 of the video text data processing device 21 obtains a negative result in step SP10, it executes step SP11.
Then, in the video RAM 61, the page image data is decoded into the image signal RGB2, and the sound generator
By driving 62, an audio signal AUD2 is generated.

At this time, the monitor 22 displays the image signal RG at step SP12.
B2 is displayed on the CRT 54 and sound is generated in the speaker 56 based on the sound signal AUD2.

On the other hand, if a positive result is obtained in step SP10,
The CPU 31 moves to step SP13 in FIG.
It is judged whether or not the content of the data transmitted from the data is data for controlling the output mode of the video text data processing device 21 itself. If an affirmative result is obtained here, the CPU 31 executes the processing corresponding to the transmitted output mode control data in the video text data processing device 21 in step SP14. In this process, the CPU 31 actually executes the program corresponding to the output mode control data transmitted from the program ROM 3
It is executed by controlling the video RAM 61 and the sound generator 62 by reading from the memory 3.

On the other hand, if a negative result is obtained in step SP13, the CPU 31 proceeds to next step SP15. This step SP1
Reference numeral 5 is a step for judging whether or not the device control data transmitted from the center 3 is control data for the master key input device 23 (and the slave key input device 24), and a negative result is obtained. This means that the content of the device control data is the control data of the printer 63 or the recording device 64 provided in the video text data processing device 21,
Accordingly, the CPU 31 moves to step SP16 and executes the control operation of the printer 63 and the recording device 64.

On the other hand, when a positive result is obtained in step SP15, this means that the content of the device control data transmitted from the center 3 is the control data for the master key input device 23, and therefore the CPU3
In step SP17, the control data is converted into a code which can be easily processed by the CPU 41 of the master key input device 23 and transmitted to the CPU 41 of the master key input device 23.

At this time, the CPU 41 receives the transmitted control data in step SP18, and then moves to step SP19. This step SP19 is a step for judging whether or not the transmitted control data is data to be processed inside the master unit key input device 23 and the slave unit key input device 24, and the master unit key input device 23 The CPU 41 executes this judgment, and when a positive result is obtained, the CPU 41 performs processing in step SP20 based on the contents of the control data. As the processing, the master unit key input device 23 and the slave unit key input device
There is a process of driving the 24 display elements 46 and 49 and the alarm elements 47 and 50. Here, the display element 49 and the alarm element 50 of the child device key input device 24 are simultaneously driven in parallel with the display element 46 and the alarm element 47 of the parent device key input device 23 under the control of the CPU 41.

On the other hand, when a negative result is obtained in step SP19, this means that the content of the transmitted device control data is not the control data of the master device key input device 23 and the slave device key input device 24 itself. Since it means that, move to SP21 and remote control signal RM
Send T.

At this time, the remote control circuit 57 of the monitor 22 causes the remote control signal RMT at the next step SP22.
The TV signal receiving unit 51
Or a control signal CON2 for the switch circuits 53 and 55 of the display device 52 and the sound device 58.

Thus, the remote control circuit 57 receives the signal by switching the switch circuits 53 and 55 to the television signal receiving unit 51 side by selecting a channel to be received according to the content of the remote control signal RMT. The video signal is displayed on the CRT 54, and the sound is generated from the speaker 56. Further, the remote control circuit 57 uses the control signal CON2 to switch the switch circuit 53 and the switch circuit 53 according to the content of the remote control signal RMT.
By switching 55 to the video text data processing device 21 side, the image display signal VTX from the video text data processing device 21 is displayed on the CRT 54, and the sound based on the output AUD2 of the sound generator 62 is generated from the speaker 56. It

As described above with reference to FIG. 4, the information system shown in FIGS. 2 and 3 includes the video text data processing device 21, the monitor 22, the parent device key input device 23, and the child devices which constitute the terminal devices 1A, 1B. The machine key input device 24 performs a series of sequence operations under the control of the host computer 4 of the center 3 1
By forming the two systems, the transmission system of the page image data stored in the video text database 6 of the center 3 and the transmission system of the television image signal are
It is possible to construct an information system that is connected so as to have practically sufficient consistency in the terminal devices 1A, 1B ....

Then, when the key operation for requesting the distribution of arbitrary information from each of the terminal devices 1A, 1B, ... Is made at the master device key input device 23 or the slave device key input device 24, the input data is stored. Video text data processor 21
Through the host computer 4 of the center 3, and after the host computer 4 has performed the data processing necessary for the management of the information system, it creates device control data based on the processing result and stores it. Video text data processing device 21, monitor 22 system, or video text data processing device 21, master device key input device 23, monitor
By going down to the 22 system, the entire information system is controlled as one.

The master device key input device 23 and the slave device key input device 24 include, for example, the keyboards of the configurations shown in FIGS. 5 and 6, and the information system is adapted to input data. In response to this, the following action is taken.

In FIG. 5, reference numeral 71 is a monitor operation mode switching switch for designating the display mode of the monitor 22, which is a "management information" switch 71A for displaying a page image and a superimposed display of the page image for the television image. It is composed of a "screen composition" switch 71B for displaying and a "TV" switch 71C for displaying a television image.

72 is a numeric keypad operated when entering numerical data, 73
Represents a page data designating key operated to designate the page number when reading out the page image data stored in the video text database 6, and includes fixed keys K _{1 to} K ₁₄ and free keys F ₁ to. It consists of F ₁₄ and.

74 is an entry / exit input switch, which is an "attendance" for the user to enter his / her individual situation when he / she is present, away, or absent.
Switch 74A, "away" switch 74B, and "absent" switch 74C. Further, each switch is provided with lamps 74AX, 74BX, 74CX which are lit and displayed by the center 3.

Reference numeral 75 is a specific function key, which is operated when inputting a specific function.

Reference numeral 76 denotes a "vehicle allocation" switch which is operated when a vehicle allocation request is issued from the terminal device to the vehicle allocation center 19, and when the vehicle allocation request center 3 accepts the lamp 76A, the vehicle allocation is completed when the vehicle allocation at the vehicle allocation center is completed. The lamp 77 is turned on.

Reference numeral 78 denotes a buzzer, which sounds when a vehicle is dispatched or when emergency information is distributed for a predetermined time, for example, 3 seconds.

Reference numeral 79 is an "emergency / e-mail" switch, which is operated when transmitting a message from the terminal device to another terminal device.

Reference numeral 80 denotes an "emergency display" lamp, which is lit and displayed when emergency information is distributed from the center 3.

Reference numeral 81 is a "TV power" switch, which is operated when the monitor 22 is turned on.

Further, in the child device key input device 24 of FIG. 3, 24A is the "present" switch, 24B is the "away" switch, and 24C is the "absent" switch.
The switches and 24D are "distributed" switches, and correspond to the switches 74A, 74B, 74C, and 76 of the parent device key input device 23.

24E is a vehicle dispatch buzzer and 24F is a vehicle dispatch completion lamp, which correspond to the buzzer 78 and the indicator light 77 of the master device key input device 23, respectively.

(G3) Operation mode of information system [1] Initialization mode In the configurations of FIGS. 2 to 6, when the power of a large number of terminal devices 1A, 1B ... To the host computer 4 of the center 3 is turned on, The devices that make up each terminal device have their own initial operating states.

That is, the video text data processing device 21 (Fig. 3)
Is set to the operation mode before the power is turned off when the power is turned on, and the monitor operation modes “management information”, “screen composition”, and “television” that can be specified in the master key input device 23 (FIG. 5). Corresponding to, the operation is started from any one of the page image data receiving mode, the superimposing receiving mode, and the television image signal receiving mode.

When the monitor 22 (FIG. 3) is powered on from the stopped state, the television signal receiving section 51 is in a state of generating the three primary color signals RGB1 which are television image signals.

On the other hand, when the power of the master device key input device 23 (FIG. 3) is turned on during the off operation, it does not enter the determined operation mode, and thereafter the video text data processing device 21 through the input / output device 37 The device control data will be supplied according to the supplied device control data.

In this way, if left alone in the individual initial operating states, the screen actually displayed on the CRT 54 of the monitor 22 and the sound generated from the speaker 56 will represent various information meaninglessly. Therefore, it may cause anxiety to the user and may cause a decrease in the reliability of the information system as a whole.

In order to solve this problem, the initializing device according to the present invention executes the initial program according to the processing procedure of FIG.

First, when the power supplies of the terminal devices 1A, 1B ... Are turned on respectively, the devices actually constituting the terminal devices 1A, 1B .. .. (that is, the video text data processing device 21, the monitor 22, the master key input device). 23) Manually turn on the power switch.

At this time, the host computer 4 of the center 3 is transmitting a carrier signal to the terminal devices 1A, 1B, ... Via the communication network 2 of the terminal devices 1A, 1B. It is in.

When the power of the video text data processing device 21 is turned on in this state, the modem 35 of the video text data processing device 21 receives the carrier sent from the host computer 4 in step SP28. CPU31 is
When the carrier is confirmed to be received, the carrier is sent to the central processing unit 5 of the center 3 via the modem 35 in the next step SP29.

At this time, the central processing unit 5 receives the carrier transmitted from the video text data processing unit 21 in step SP30, and the host computer 4 confirms the reception and moves to step SP35 to check the collation data (this is the ID data). Is called) to the video text data processing device 21 of the terminal device.

The CPU 31 of the video text data processing device 21 transmits the ID data requested in the next step SP36 to the central processing device 5 of the center 3.

The central processing unit 5 receives the ID data transmitted from the terminal device at step SP37, and then receives the next step SP38.
At step SP39, the host computer 4 verifies the transmitted ID data with the internally stored data, and at the next step SP39, the terminal device is set to one of the normal screen display modes (for example, page image data is monitored by the monitor 22). Code data including device control data for setting the page image display mode to be displayed above) is transmitted.

At this time, the CPU 31 of the video text data processing device 21
After the device control data is received at step SP40, the process goes to step SP41 to set the output operation mode of the video text data processing device 21 to the page image display mode. After setting the display mode, CPU31
Moves to step SP42 and sends the device control data to the master key input device 23.

Here, the CPU 41 of the master device key input device 23 receives the device control data sent from the video text data processing device 21 in step SP43, and sends a remote control signal RMT for setting the monitor 22 to the page image display mode. generate. As a result, the remote control circuit 57 of the monitor 22 receives the remote control signal RMT at step SP44, and the switch circuits 53 and 5 are received.
By switching 5 to the video text data processing device 21 side, the monitor 22 is switched to an operation mode in which page image data is displayed as a whole.

The host computer 4 of the center 3 moves to step SP45 when a predetermined time elapses after transmitting the device control data for setting the page image display mode in step SP39 as described above, and moves to step SP45 for the user of the terminal device. , Sends message data notifying that the initializing operation is currently being performed. The message data may be, for example, "please wait for a while during initialization".

In response to this, the CPU 3 of the video text data processing device 21
1 decodes the message data in the video RAM 61 in step SP46 and sends the page image data to the monitor 22.

At this time, the monitor 22 has already been switched to the page image data reception mode in the above-mentioned step SP44, and therefore, in step SP47, a screen which is a message indicating that the initialization operation is being performed is displayed on the CRT 54.

In addition to this, the host computer 4 of the center 3 includes the device control data for moving the "attended" lamp to the ON position when the predetermined time has passed after sending the message data at the above-mentioned step SP45 and turning on the "attended" lamp. The code data consisting of is sent. In response to this, the central processing unit of the video text data processing device 21 is
31 receives the device control data included in the code data in step SP49, converts the data into code, and sends the code-converted data.

At this time, the CPU 41 of the master device key input device 23 makes the step SP50
74A "Attendant" switch installed on the keyboard by receiving the device control data sent from the
The "attended" lamp 74AX provided in (Fig. 5) is turned on.

The host computer 4 of the center 3 further sends a step SP when a predetermined time elapses after transmitting the code data for lighting the "attended" lamp in the step SP48 described above.
Move to 51. The step SP51, of the base unit key input device keyboard on the sequence pages specified key 73 23, the key F ₁ to F ₁₄ of the lower half as a free key, to the page data specified key F ₁ to F ₁₄ Therefore, the host computer 4 of the center 3 can change the contents of the data that can be input under the control of the host computer 4 of the center 3. In step SP51, the host computer 4 of the center 3 can specify page data designation keys F ₁ to F as free keys. _The registration code data is sent to each of the _{14 terminals} .

At this time, the CPU 31 of the video text data processing device 21
In step SP52, the registration code data sent from the host computer 4 are sequentially received and sequentially stored in the registration code memory area of the RAM 36.

The registration code memory area of RAM36 is the key input device for the main unit 2
It has a memory area designated by the code data output from the page data designation keys F _{1 to} F _{14 of} 3, and rewrites the registered code data sent from the host computer 4 to each memory area. .

This rewriting way may be assigned an address of the data to the page data specified key F ₁ to F ₁₄ can drawn from video tape try the database 6 of Yotsute center 3, or the page data specified key F ₁ to F ₁₄ operation A code corresponding to the operation mode may be written in the RAM 36 so that it can be used as a key that can specify the mode.

When the CPU 31 executes the processing of step SP52, it executes step S52.
Moving to P53, the initial program for the host computer 4 and the terminal device is ended.

[2] Other operation modes (1) Page image screen, television image screen, composite screen mode As shown in FIG. 5, the master key input device 23 uses the "management information" as the monitor operation mode switching switch 71. Switch
71A, "Screen Composition" switch 71B, "TV" switch 71
When the switch 71A is operated, the page image data accumulated in the video text database 6 of the center 3 is drawn out by designating the page with the ten key 72 and displayed on the monitor 22 when the switch 71A is operated. You can specify the operating mode. Similarly, switch 71B has a numeric keypad of 7
By operating 2, the page image data is extracted from the video text database 6 via the communication network 2, and this page image data is superimposed on the television image signal supplied from the CATV line 10 to monitor 22. You can specify the operating mode as displayed above.
Further, the switch 71C can specify an operation mode for displaying on the monitor 22 the television image signal of the channel designated by the ten key 72 among the television image signals supplied through the CATV line 10.

When these switches 71A to 71C are operated, steps (SP1, SP2), (SP3, SP4, SP6), (SP
Input data goes up to the host computer 4 of the center 3 by the processing procedure of 7, SP8). At this time, the host computer 4 creates data including device control data for controlling the video text data processing device 21, the master key input device 23, and the monitor 22 in the operation mode corresponding to the input data in step SP8. , Let this go down through the loop below step SP9.

For example, when the "screen composition" switch 71B is operated, first, the video text data processing device 21 is controlled to an operation mode capable of outputting the image display signal VTX, and the master device key input device 23 sends the remote control signal RMT. The host computer 4 of the center 3 sends data including device control data for controlling the monitor 22 to a possible operation mode and further controlling the monitor 22 to the operation mode for taking in a television signal from the CATV line 10.

Video text data processing device 21 that received this data
Are the steps (SP9, SP10, SP13, SP1) in FIG.
4) performs a responsive action based on the device control data given to itself by the step (SP13,
SP15, SP17, SP18, SP19, SP20, SP21) to set the master key input device 23 to the operating state in response to the contents of the device control data, and in step SP21, the remote control signal from the master key input device 23.
By sending RMT, the monitor 22 is set to the screen compositing operation mode in step SP22.

Thus, the monitor 22 displays a screen in which the three primary color signals RGB1 supplied from the television signal receiving section 51 and the image display signal VTX output from the video RAM 61 are combined (that is, the page image data on the image based on the television image signal). The image is composed of a superimposed image) and is set to an operation mode that can display.

At this time, the page designation input and the reception channel designation input which are input by using the ten-key pad 72 sequentially go up to the host computer 4 of the center 3 by the loop of the steps (SP1 to SP8) described above.

As a result, the page image data extracted from the video text database 6 in step SP8 is decoded into an image display signal VTX in the video text data processing device 21 in steps (SP9, SP10, SP11, SP12) and then displayed on the monitor 22. Is displayed in.

On the other hand, the channel designation data is given to the master key input device 23 in step SP18 by the loop of the above-mentioned steps (SP9 to SP21), and thus step SP22.
At the step (2), the monitor 22 is set to the designated channel by the remote control signal RMT generated by the master key input device 23.

When the "management information" switch 71A is operated, the host computer 4 sends the device control data corresponding to the input data by the loop of steps (SP1 to SP8) in the same manner as described above, and continues. Step (SP
9 to SP14) and (SP9 to SP22) to set the operation mode in which the page image data can be transmitted from the video text data processing device 21 through the switch circuits 53 and 55. On the other hand, the specified data for the page image data is step (SP1 to SP
8) to the host computer 4, whereby the page image data extracted from the video database 6 is displayed on the monitor 22 by a loop of steps (SP9 to SP12).

When the "TV" switch 71C is operated, the switch circuit 5 is operated by steps (SP1 to SP8) and (SP9 to SP22).
3, 55 are switched to the television receiver 51 side, and the channel designation data is changed to steps (SP1 to SP8) and (SP9 to S9).
The video signal is displayed on the monitor 22 by being given to the television receiving section 51 by P22).

In the case of the embodiment shown in FIG. 4, the keyboard of the master key input device 23 is provided with page data designation keys 73 in horizontal 7 rows and vertical 4 rows, and when one of them is operated, the numeric keypad 72 is used. A page data code having the same code as when it is input can be input as a so-called speed dial code.

(2) Entering / Exiting Table Mode The keyboard of the master unit key input device 23 is provided with an entering / exiting table data input switch 74 consisting of an "attended" switch 74A, an "away" switch 74B, and an "absent" switch 74C, Terminal device
When the users assigned 1A, 1B ... Operate the switches 74A-74C according to the exit / withdrawal status, the input data goes up to the host computer 4 by (SP1-SP8) in FIG. The page image data in the video text database 6 is stored in the entry / exit table memory area by the host computer 4. Thus, this entry / exit table page image data can be stored and updated in the center 3 to constantly update the entry / exit status in the company.

This entry / exit report page image data is the "Management Information" switch.
After operating 71A, by operating the "exit / exit display" switch 75A provided as one of the specific function keys 75 on the keyboard of the master key input device 23, each terminal device 1A, as necessary, It is designed so that it can be withdrawn in 1B .... The data input from the "exit / exit display" switch 75A goes up to the host computer 4 by the steps (SP1 to SP8) in FIG. 4, and the host computer 4 goes out of the video text database 6 at step SP8. The front page image data is extracted and displayed on the CRT 54 of the monitor 22 by steps (SP9 to SP12). As a result, the user to whom the terminal devices 1A, 1B ... Are assigned can easily know the leaving / leaving status of other users as needed.

In the above, the page image data of the entry / exit table is directly transmitted to the video text data processing device 21 as page image data in the communication network 2.
Although the case where the "TV" switch 71C is operated instead of the "TV" switch 75C described above
It can also be extracted as a television image signal through the CATV line 10 by operating. In this case, these data are the steps (SP1 to SP8) of FIG.
Thus, when the host computer 4 is moved to the host computer 4, the host computer 4 moves to step SP31 in FIG. 4 and sends the entry / exit table page image data extracted from the video text database 6 to the data / video converter 8 (second). (Fig.) To convert to TV video signal TVIN _I and then CATV line
By supplying the same to 10 and controlling the monitor 22 to the "TV" operating mode by the above-mentioned steps (SP9 to SP22), an image can be displayed on the CRT 54 of the monitor 22 at step SP32.

Note that the attendance table data is stored in the "attended" switch 24A and the "away" switch 24 provided in the child device key input device 24 (Fig. 6).
B, can also be entered by the "absent" switch 24C.

(3) Vehicle allocation request mode The "vehicle allocation" switch is displayed on the keyboard of the master unit key input device 23.
When the switch 76 is provided and the user operates this switch 76 when requesting a vehicle dispatch to the vehicle dispatch center 19, the input data is sent to the host computer 4 by the steps (SP1 to SP8) in FIG. The host computer 4 moves to step SP33 after step SP8 to send the data corresponding to the vehicle dispatch request to the vehicle dispatch center to the vehicle dispatch center 19. As a result, when the vehicle dispatch center 19 completes the vehicle dispatch, it is sent back. Based on the data, the above step SP
Returning to step 8, the device control data is created, and the dispatch completion lamp 77 provided on the keyboard of the master unit key input device 23 requested by the above-mentioned step (SP9 to SP20) is turned on. At the same time, the buzzer 78 is sounded for a predetermined time (for example, 3 seconds) to notify the user of the completion of the dispatch.

The vehicle dispatch switch 76 is provided with a red lamp 76A, and when the vehicle dispatch request data reaches the host computer 4 by the above steps (SP1 to SP8), the host computer 4 sends a red light by the steps (SP9 to SP20). By blinking the lamp 76A, the user is informed that a vehicle dispatch is being arranged. The operation of the red lamp 76A stops at the same time when the dispatch completion lamp 77 lights up.

In addition, the vehicle dispatch request data is the child device key input device 24 (Fig. 6).
It can also be entered by using the "vehicle allocation" switch 24D provided in. Further, according to the device control data sent from the host computer 4 to the master device key input device 23, the buzzer 24E provided in the slave device key input device 24
And the "dispatch complete" lamp 24F may be driven.

(4) Emergency / e-mail mode The keyboard of the main unit key input device 23 is provided with an "emergency / e-mail" switch 79 so that the user can transmit emergency information or e-mail from one terminal device to another terminal device. If desired, the switch 79 is operated and then the transmission destination is designated by the ten keys 72. At this time, first, the input data of the switch 79 goes to the host computer 4 by the steps (SP1 to SP8) shown in FIG. 4, and the host computer 4 sends the video data from the video text database 6 at step SP8 based on the request. "Emergency Message Menu" page Read out the image data and execute the steps (SP9-SP1
2) is displayed on the monitor 22 of the terminal device of the transmission source, and the user selects the page to be transmitted by looking at it and inputs it with the ten keys 72. At this time, the host computer 4 judges the urgency of the request, and when the urgency is high, the steps (SP9 to SP22), (SP9 to SP22) in FIG.
The input data is immediately transmitted to the destination specified by (12) and displayed on the monitor 22.

On the other hand, when the degree of urgency is small, the host computer 4 decides to handle the incoming message data as e-mail information, and then the steps shown in FIG. 4 (SP9 to SP20).
The emergency indicator lamp 80 is turned on and the buzzer
78 is sounded for a predetermined time to notify the user of the transmission destination. At this time, the user is "emergency / email".
By operating the switch 79, a message transfer request is issued and the input data is transferred to the steps (SP1 to SP) in FIG.
8) to get to host computer 4. In response to this, the host computer 4 goes to step (SP9 to SP2
2), (SP9 to SP12), the emergency menu data is sent, and at this time, the user at the transmission destination selects and specifies the message to be viewed using the ten-key pad 72, and thus the monitor 22 at the transmission destination.
A message that should be emailed to is displayed on the screen.

The above is the case of transmitting emergency information from one terminal device to another terminal device, but when transmitting emergency information from the center 3, data is input from the input device 7 of the center 3. At this time, the host computer 4 sends the emergency message data by the steps (SP9 to SP22) and (SP9 to SP12) of FIG. 4 so that the terminal device of the transmission destination immediately displays the emergency message on the screen.

In the above description, the user at the transmission destination selects and inputs one of the page image data prepared in advance, but the terminal device is provided with a keyboard capable of inputting characters. By doing so, an arbitrary message may be input.

(5) On / Off Control Mode of Monitor 22 The "TV power" switch 81 is provided on the keyboard of the master unit key input device 23 of FIG. 5 and is operated when the monitor 22 is to be turned on. The output data is sent to the host computer 4 by the above steps (SP1 to SP8).
After being converted to device control data, the power of the monitor 22 is controlled to be turned on and off by using the remote control signal RMT by steps (SP9 to SP22).

(G4) Other Embodiments In the above, the present invention has been described as an embodiment in the case where the present invention is applied to an information system adapted to distribute page image data stored in the video text database 6 to a plurality of terminal devices. However, the information to be stored in the center 3 is not limited to page image data, but may be information such as a television video signal and character / numerical data, and the same effect as the above case can be obtained. it can.

H Effect of the Invention As described above, according to the present invention, the initialization of the terminal device is performed based on the device control data created by the host computer 4 provided in the center 3 and each device constituting the terminal device is predetermined. Set to the operating mode of and monitor from the host computer 4 22
Since the message indicating that the terminal is in the initializing operation mode can be displayed, the terminal can be stably initialized without causing confusion to the user.

[Brief description of drawings]

FIG. 1 is a flow chart showing a processing procedure in an information system according to the present invention, FIG. 2 is a block diagram showing an entire configuration of the information system, FIG. 3 is a block diagram showing a detailed configuration of the terminal device shown in FIG. FIG. 4 is a flow chart showing basic data processing judgment in an information system to which the present invention is applied, and FIGS. 5 and 6 are parent device key input devices of FIG.
23 is a schematic diagram showing a key operation surface of a key input device 24 and a child device key input device 24. 1A1B ... Terminal device, 2 ... Communication network, 3 ... Center, 4 ...
... Host computer, 6 ... Video text database, 7 ... Input device, 8 ... Data / video conversion device,
10 …… CATV line, 19 …… Vehicle dispatch center, 21 …… Video text data processing device, 22 …… Monitor, 23 …… Master device key input device, 24 …… Slave device key input device.

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Isao Yuzawa 1-3-3 Uchisaiwaicho, Chiyoda-ku, Tokyo Within Tokyo Electric Power Co., Inc. (72) Tomiichi Ishikawa 6-735 Kita-Shinagawa, Shinagawa-ku, Tokyo No. Sony Corporation (72) Inventor Hiroshi Sahara 6-735 Kitashinagawa, Shinagawa-ku, Tokyo Sony Corporation (72) Inventor Junichi Shimizu 1-2-1, Otemachi, Chiyoda-ku, Tokyo 3 Ibussan Co., Ltd. (72) Inventor Takeshi Honma 2-17-22 Akasaka, Minato-ku, Tokyo Japan Univ. Information System Co., Ltd. (56) Reference JP-A-56-14342 (JP, A) JP-A- 59-109931 (JP, A) JP-A-59-132037 (JP, A)

Claims (1)

[Claims] 1. A center having a database in which image data is stored, a host computer for reading out and outputting the image data stored in the database, and a display for selectively displaying image data from a plurality of signal sources. A video text data processing device for converting the image data supplied from the host computer via a device and a communication network into a display image signal, control means for controlling the display device and the video text data processing device, and the control means. In an information system comprising a terminal device having an operation switch connected to the communication device, when the terminal device is turned on, the control means in the terminal device sends a confirmation signal indicating that the power is turned on to the communication network. To the host computer through the host computer, and the host computer responds to the confirmation signal. Device control data for designating a display mode of the display device and data indicating that an initialization operation is being performed are transmitted to the terminal device via the communication network, and the control means in the terminal device is configured to operate the device. An information system characterized in that the display device is controlled to be switched to a predetermined display mode based on control data, and an image corresponding to data indicating that the initialization operation is being performed is displayed on the display device.