JPS609261A - Picture information managing system of electronic blackboard - Google Patents

Abstract

PURPOSE:To manage one-dimensionally a picture information by transcending a time and a space by adding not only an individual picture number in each storage device but also absolute picture number common to each station. CONSTITUTION:In a blackboard device 1, a picture information X inputted from a digitizer device 2 or a document device 3 is stored 7 after an individual picture number (n) and an absolute picture number F are added by a control device 6. The control device 6 reads out the number F corresponding to the number (n) from the device 7, and informs F to a control device 6' of the other station. In this case, the device 6' sends back an information of understanding to the control device 6 of the own station side, when the number F exists in a stored 7' data. On the other hand, in case when the number F does not exist, the device 6' informs its fact to the control device 6 of the own station side, the device 6 transfers automatically a picture data to the control device 6' of the other station, and the control device 6' of the other station adds an individual number F' and an absolute number F in the other station, to this picture data, and stores 7'.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a screen information management system for electronic whiteboards, and in particular, a method and method for managing screen information between several devices using a common absolute screen number. This invention relates to a screen information management method for common management.

Background of the technology In recent years, conference telephones and conference televisions have been used as equipment to enable meetings between two members in remote locations.
m child blackboard device i? t was developed by tt. This electronic blackboard device allows users to draw using a felt-tip pen or the like on a handwriting input board that has functions such as a tablet.

Handwritten input information is obtained, 2 this handwritten input information is transmitted over a telephone line, etc. 1: CI (displayed on a T monitor, etc.)
Since handwritten input information can be transmitted together with audio information, remote conferencing can be easily performed.Also, by having handwritten input information including color information,
A color image display device is also capable of displaying a color image.It is also possible to record the displayed contents as a notebook.

PRIOR ART AND PROBLEMS Conventional electronic whiteboard device 1: Regarding the image information that is stored in individual electronic whiteboard devices.

Each device is also managed by its own screen number, so
If the same screen is filed on two different devices, it is necessary to send the image information again from one device in order to display the two files at the same time.

OBJECT OF THE INVENTION The object of the present invention is to
In a remote conference system using a child-saving blackboard device, the screen files stored in the screen information storage device of each station (2), and the screen information other than the individual screen number in each storage device (2 each station (=
Assign a common absolute screen number (from the second, all the screens @(
Second, the same absolute screen number is assigned to the same screen, making it possible to centrally manage screen information across time and space.

Structure of the Invention 1. The present invention (2. Structure of the invention)
An electronic blackboard device equipped with a storage device for storing screen information and a control device having a communication processing unit for transmitting and receiving data to and from the other station is connected to each other (two communication lines (two connected
A remote conversation system (;

In addition to the individual number in the storage device of 1 screen information for each electronic file (each 7 tons for 2 files), A common absolute screen number is assigned to the seven child blackboard devices, and the screen information is assigned to the entire 1U child blackboard device using the absolute screen number. 4-f- A screen information management method in a blackboard country is provided.

Embodiments of the present invention (2) Electronic blackboard (2) Screen information management, hereinafter (2) will be explained.

FIG. 1 shows the general structure of the ``IJJ'' board device.

Figure 1 (2) The electronic whiteboard device 1 on the local side is connected to the temporary electronic 7r1'j device 1' on the other side via a telephone line, etc. 1 is an old-fashioned digitizer device (tablet) for data input; 2 is a scanner device for inputting existing data; 2 is a scanner device for inputting existing data; 2 is a CRT monitor for displaying handwritten information or documents; It is equipped with a display device 4 such as a grozier, a kth keyboard device 5 for inputting operation commands, etc., a control device 6, and a storage device 7 such as a floppy disk or magnetic disk for storing screen information.

In the one-child blackboard device @l shown in Fig. 1, the digitizer device @
Screen information X input from 2 dimensions or document device 3
is assigned the individual screen number n and the absolute screen number FY as shown in FIG.
=This individual number n stored is assigned to each device (2) created by 1 (1), and the number F is assigned to each device (1!8) created by the original screen. Display device 4 of this stored screen data XY own station and partner station
and 4' (2 hours C: When displaying (=, enter the individual screen number n of the desired screen from the keyboard @ 5 (2). The control device 6 inputs the individual screen number n from the memory @ 7. Read the absolute screen number F for the other station, control device 6' of the other station
Notify C2F. The control device @6' of the partner station uses the absolute number F in the screen data stored in the storage device 7' (2).
Search to see if it exists. If the absolute number F exists, the control device 6' returns a notification of acceptance to the local control device 6C. If the absolute number F does not exist (2), the control device does not notify the local control device 6C of this fact.

In this case, the control device 6 automatically transfers the screen data X to the partner station control device 6'.

The partner station control device 6' assigns the individual number F' of the partner station C2 and the absolute screen number FY to this screen data X and stores it in the storage device γ (==2t, "c".

Double-sided data with a common absolute screen number FY is displayed in the control device 6.
and σ(: display devices 4 and 4') (two animals are displayed at the same time).

A more detailed configuration of the control circuit 6 of the electronic whiteboard device according to the present invention (which is based on the second screen management method) is shown in FIG.
In the control circuit 6 shown in the figure, a handwritten data input section 11 controls input to the tablet 2.

The coordinate data input from the tablet 2 is edited with a certain length of putty ('-). Also, as communication data to the other station, the differential vector is converted and transferred to the transmitter 27. The document reader 12 The screen numbering section 14 and the absolute numbering section 15 control the input of the document reader 3.The screen numbering section 14 and the absolute numbering section 15 control the tablet 21. Next, when a new screen is formed on the data input from the document reader 3,
And, at 9 o'clock, a liL screen was transferred from the other station (:,
Applicable screen C: A double-sided number and an absolute number are assigned in pairs. The keyboard input unit 16 determines function key and numeric key data input from the keyboard 5. The screen number detection unit 19 converts the data A of the function key input from the keyboard 5 (e.g., ! ward equivalent) into the screen line number to be displayed, and sends the data to the readout control unit 25 (notifies the screen number to 2). .Absolute number management section 2
1 is.

In the common mode in which mutual f2 transmission is requested between the partner station and the other station, the absolute number is managed and the absolute number of the common mode is stored in the common mode management register 23. Also, the absolute number is transmitted from the partner station. When the input is received, it is determined whether or not the local station file (two-same number) exists, and as a result, the communication response control unit 22 notifies the user of the request. The screen number or absolute number is recorded in the index section (2) in the file, and the screen data area (-) of the corresponding file is recorded. The address search for the screen data area in the file is performed and one screen data is output to the screen memory section 26 and the transmission section 27.The screen memory section 26 expands the input screen data and converts it into two video value numbers. , a display device 4 such as a CRT monitor (two outputs).

The operation of the control circuit 6 shown in FIG. 2 will be explained below.

Each part of the control circuit 6' on the other side is designated by the number C corresponding to the part shown in FIG. Data from the handwritten data input section 11 or the document input section 12 is input to the switch 13. The OR gate 171 is sent to the write control unit 24 via the number addition unit 18, and is stored in the storage device (file) 7 (:) by the write control unit 24. On the other hand, the output of the OR gate 17 is t*, The output of the switch 13 is also input to the transmitter 27 via the display device 4 (2), and is input to the transmitter 27 via the display device 4 (2). ζ2 is transmitted. In this case, 1 screen number n and absolute number F are numbered from 2 screen numbering section 14 and absolute numbering section 15 (:), and screen data 2 is added by 1 numbering section 18 to the file. Number two simultaneously (=stored. The absolute number F is created from the file number, individual number, and version number.

"Screen display request" input from the keyboard device 5 (Secondly, the screen number n (;
Read the corresponding absolute number FY.

And orgate 20. The absolute number F'l' of the transmitter 27 is the root number F'l' of the partner station I: Notify. The partner station sets the notified absolute number FY in the common mode management register 23' via the receiving section 28' and the absolute number management section 21').

Read control unit 25'2 Root of storage device γ (2) Absolute screen number F (2) Port for searching corresponding screen data At the same time, when the management section 21'1, the communication response control section 22', and the route C2 of the transmitting section 27' notify the local station C2 of the existence of the corresponding screen data, 62, the storage device 7', and the readout control section 2
5', the route of the or gate 2g and the screen meridian part 26' (2) displays the corresponding screen on the display device 4'ζ2.Meanwhile,
On the own station side, when the reception unit 28 (2) receives a notification of the existence of the corresponding screen data, the absolute number management unit 21 readout control unit 2
5. The screen data is accessed through the route of the storage device 7, and the storage device 7, read control unit 25. A screen is displayed on the display device 4 through the route of the OR gate 291 screen memory section 26.

If the corresponding screen data does not exist on the other station's memory device @7 (2), the absolute number management section 21'1 communication response control section 22', transmitting section 27' (2) is stored on the own station (2) A notification is sent to the two terminals that "c" does not correspond to the corresponding screen. Upon receiving this notification, the IC terminal side sends a message to the reception section 28.absolute number management section 2], readout control section 25.route of the storage device 7 (:) Request data, storage device @7 read control unit 25, OR gate 20.
Route C of the transmitter 27 transfers the screen data to the other station (simultaneously 62, storage device 7. read control section 25. route ζ of the OR gate 291 screen memory section :Display.Meanwhile, in the other station, the receiving section 28'.

ORGATE 171 number addition section 18. W-inclusive control section 24. Add a screen number to the root of the storage device 7.

At the same time as recording the absolute number and screen data (:, receiving section 2
8. Or game) 17, 29. The route of the screen memory section 26 (Secondly, the corresponding screen is displayed on the display device 4.

Effects of the Invention Screen information management method for electronic whiteboard according to the present invention (according to 1
The following effects can be obtained.

C2 if the existing file has the same screen.

Absolute screen number? You can display it just by transmitting it.

Compared to transmitting screen data, the time required for display at the receiving station can be reduced.

Since absolute screen numbers are controller independent, the file medium can be used with any controller.

The control device automatically manages and transmits absolute screen numbers, so the operator does not need to be aware of whether or not other stations have screens.

[Brief explanation of drawings]

FIG. 1 is a diagram showing the structure of a system to which the electronic whiteboard screen information management method according to the present invention is applied. FIG. 2 shows details of the control device in the system of FIG.
A diagram showing the number of grooves in T(II). FIG. 3 is a diagram showing the file structure of screen information in the screen information management method (= = 2) according to the present invention. (Explanation of symbols) 1.1: Electronic whiteboard device, 2 .2'... Digitizer device q, 3, 3'... Document input device. 4.4'... Display device, 5, 5'...
...Keyboard device. 6.6'...control device, 7,7'...
··Storage device. Patent Applicant Fujitsu Limited Patent Application Agent Patent Attorney Akira Aoki Patent Attorney Kazuyuki Nishidate 1) Yukio Patent Attorney Akira Yamaguchi Figure 3

Claims (1)

[Claims] 1. An electronic whiteboard device equipped with an information input device, a screen display device, a storage device for storing one-screen information, and a control device having a communication processing unit for transmitting and receiving data to and from the other station can communicate with each other (two Trace line (remote conference system connected from two sides)
2, for the screen information filed in the storage device of each electronic blackboard device, for each page (in addition to the individual number in each storage device) A method for managing screen information on an electronic blackboard (2).