JP2003208435A - Registering system for drawing history, regenerating system for drawing history, drawing history registration terminal, drawing history registration program and program for terminal, and registering method of drawing history - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drawing history registration system suitable for grasping what environment an individual sectional drawing locus constituting a drawing history is drawn under. <P>SOLUTION: A projector divides a drawing locus by every prescribed unit as to a drawing conducted in a screen 120, based on a drawing operation by a stylus pen 110, acquires the each sectional drawing locus as drawing locus information, and transmits the acquired drawing locus information to an electronic meeting control serve together with drawer information. The control server registers the received drawing locus information in a drawing locus information registration DB 204 while correlated to the drawer information when receiving the drawing locus information and the drawer information, retrieves the drawing locus information fit to a provided retrieval key out of the locus information registration DB 204 when the drawer information is given as the retrieval key, and transmits the retrieved drawing locus information to the projector. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system, a program, and a method for registering and reproducing a drawing history drawn on a drawing screen such as a whiteboard (registered trademark), and in particular, to an individual section constituting the drawing history. A drawing history registration system, a drawing history reproduction system suitable for grasping under what environment the drawing trajectory is drawn,
The present invention relates to a drawing history registration terminal, a drawing history registration program and a terminal program, and a drawing history registration method.

[0002]

2. Description of the Related Art Conventionally, as a technique for registering and reproducing a drawing history drawn on a drawing screen such as a whiteboard,
For example, the drawing screen that can be drawn with the stylus pen, the drawing operation input unit that inputs the drawing operation performed with the stylus pen on the drawing screen, and the drawing screen based on the drawing operation input by the drawing operation input unit A drawing locus information acquisition unit that divides the drawing locus of a drawn drawing into predetermined units and acquires each divided drawing locus as drawing locus information, a drawing locus information storage unit that stores the drawing locus information, and a drawing locus A drawing locus information registration unit that registers the drawing locus information acquired by the information acquisition unit in the drawing locus information storage unit, and a drawing history that reproduces the drawing history on a display device such as a display based on the drawing locus information in the drawing locus information storage unit. Some of them consisted of a playback unit.

The drawing locus information registration unit registers the drawing locus information acquired by the drawing locus information acquisition unit in the drawing locus information registration unit in the order of acquisition, and the drawing history reproduction unit registers the drawing locus information in the drawing locus information storage unit. The drawing history is read in order, and the drawing history is reproduced on a display device such as a display based on the read drawing trajectory information.

[0004]

However, in the above-mentioned conventional technique, the drawing history can be reproduced in the drawing order at the most, and such a drawing history reproducing system can be used. When used in an electronic conference in which the venues are communicatively connected, participants in each venue share the same drawing screen to proceed with the conference. There is a problem in that it is difficult to understand from what kind of environment the individual drawing loci such as each description, annotation, line, table, or drawing are drawn. For example, it was difficult to understand which participant drew each segmental drawing locus, at which venue it was drawn, and when it was drawn.

Therefore, the present invention has been made by paying attention to the unsolved problems of the above-mentioned conventional techniques, in which environment the individual segmental drawing loci constituting the drawing history are used. It is an object of the present invention to provide a drawing history registration system, a drawing history reproduction system, a drawing history registration terminal, a drawing history registration program and a terminal program, and a drawing history registration method that are suitable for grasping whether or not a drawing has been performed.

[0006]

In order to achieve the above object, a drawing history registration system according to the present invention comprises a drawing operation input means for inputting a drawing operation for a predetermined drawing area, and the drawing operation input means. Drawing locus information acquisition means for dividing the drawing locus into predetermined units for drawing performed on the drawing area based on the inputted drawing operation, and acquiring each divided drawing locus as drawing locus information, and the drawing locus information. And a drawing locus information registration unit for registering the drawing locus information acquired by the drawing locus information acquisition unit in the drawing locus information storage unit. An environment for inputting environment specifying information for specifying the situation, background, or other environment when the divided drawing trajectory is drawn The drawing locus information registration means stores the drawing locus information by associating the drawing locus information acquired by the drawing locus information acquiring means with the environment specifying information input by the environment specifying information inputting means. It is designed to be registered as a means.

With such a configuration, when the drawing operation for the drawing area is input by the drawing operation input means, the drawing trajectory information acquisition means determines the drawing trajectory information for each divided drawing trajectory based on the input drawing operation. Is obtained as.
On the other hand, when the environment specifying information is input by the environment specifying information input means, the drawing trajectory information registration means registers the acquired drawing trajectory information in the drawing trajectory information storage means in association with the input environment specifying information. To be done.

Here, the predetermined drawing area may be a drawing screen or a virtual drawing area on a computer. In the former case, for example, the drawing trajectory information is acquired based on the drawing operation performed on the drawing screen with a stylus pen, and in the latter case, for example, based on the drawing operation performed with the mouse on the virtual drawing area. To obtain drawing trajectory information. The same applies to the drawing history registration system, the drawing history registration program, and the drawing history registration method described below.

The environment specifying information is information for specifying the situation, background, or other environment when the segmental drawing trajectory is drawn, and includes, for example, the person who has drawn the segmental drawing trajectory, the segment The location where the person who drew the drawing trajectory was located at the time of drawing, the time when the segmental drawing trajectory was drawn, the keyword or comment about the segmental drawing trajectory, the version set for the segmental drawing trajectory, and the environment when the segmental drawing trajectory was drawn are numerical values. The converted parameters (for example, temperature, humidity, and weather), the device used to draw the segmental drawing trajectory, and various types of information regarding the conversation that is performed when the segmental drawing trajectory is drawn are included. Hereinafter, the same applies to the drawing history registration system, the drawing history reproduction system, the drawing history registration terminal, the drawing history registration program, the terminal program, and the drawing history registration method described in the present invention.

The drawing locus information storage means stores the drawing locus information by any means and at any time. The drawing locus information may be stored in advance, or the drawing locus information may be stored. The drawing locus information may be stored by an external input or the like when the present system operates, without being stored in advance. Hereinafter, the same applies to the drawing history registration system, the drawing history reproduction system, the drawing history registration terminal, the drawing history registration program, the terminal program, and the drawing history registration method described in the present invention.

Further, the present system may be realized as a single device, or may be realized as a network system in which a plurality of terminals are communicably connected. In the latter case, each component may belong to any of the plurality of terminals as long as they are communicably connected. Hereinafter, the same applies to the drawing history registration system according to the present invention. Further, the drawing history registration system according to the present invention is performed for the drawing area based on the drawing operation input means for inputting a drawing operation for a predetermined drawing area and the drawing operation input by the drawing operation input means. For drawing, the drawing locus is divided into predetermined units, and each drawing locus is acquired as drawing locus information, drawing locus information acquisition means, drawing locus information storage means for storing the drawing locus information, and the drawing locus. A system for registering a drawing history for the drawing area, the drawing trajectory information registering means for registering the drawing trajectory information acquired by the information acquiring means in the drawing trajectory information storage means, when the divided drawing trajectory is drawn. Of the drawing locus information registration means, which is provided with environment specifying information input means for inputting environment specifying information for specifying the situation, background or other environment Registers the drawing locus information acquired by the drawing locus information acquiring unit in the drawing locus information storage unit in association with a plurality of different types of environment specifying information input by the environment specifying information input unit. .

With such a configuration, when a drawing operation for the drawing area is input by the drawing operation input means, the drawing trajectory information acquisition means determines the drawing trajectory information for each divided drawing trajectory based on the input drawing operation. Is obtained as.
On the other hand, when a plurality of different types of environment specifying information are input by the environment specifying information input means, the drawing trajectory information registration means draws the acquired drawing trajectory information in association with the input plurality of environment specifying information. It is registered in the trajectory information storage means.

Further, in the drawing history registration system according to the present invention, in the drawing history registration system described above, the environment specifying information is information about a person who has drawn the segmented drawing locus. With such a configuration, when the drawing person information is input by the environment specifying information input means, the drawing locus information registration means draws the acquired drawing locus information in association with the input drawing person information. It is registered in the trajectory information storage means.

Further, in the drawing history registration system according to the present invention, in the drawing history registration system, the environment specifying information is drawing place information relating to a place where the person who draws the segmental drawing locus is located at the time of drawing. is there. With such a configuration, when the drawing location information is input by the environment specifying information input means, the drawing trajectory information registration means associates the acquired drawing trajectory information with the input drawing location information to perform the drawing. It is registered in the trajectory information storage means.

Further, in the drawing history registration system according to the present invention, in the drawing history registration system described above, the environment specifying information is drawing time information relating to a time at which the segmented drawing trajectory is drawn. With such a configuration, when the drawing time information is input by the environment specifying information input means,
The drawing locus information registration means registers the acquired drawing locus information in the drawing locus information storage means in association with the input drawing time information.

Further, in the drawing history registration system according to the present invention, in the drawing history registration system described above, the environment specifying information is a keyword for the divided drawing trajectory. With such a configuration, when a keyword is input by the environment specifying information input means, the drawing trajectory information registration means correlates the acquired drawing trajectory information with the input keyword, and the drawing trajectory information storage means. Be registered with.

Further, in the drawing history registration system according to the present invention, in the drawing history registration system described above, the environment specifying information is version information regarding a version set for the segmented drawing locus. With such a configuration, when the version information is input by the environment specifying information input unit, the drawing locus information registration unit correlates the acquired drawing locus information with the input version information and the drawing locus information. It is registered in the storage means.

On the other hand, in order to achieve the above object, the drawing history reproducing system according to the present invention comprises a screen device having a drawing screen which can be drawn by a drawing device,
A system for communicably connecting to a drawing history registration terminal for registering a drawing history for the drawing screen, for registering and reproducing the drawing history, wherein the screen device comprises:
Drawing operation input means for inputting a drawing operation performed on the drawing screen by the drawing device, and a drawing locus of a drawing performed on the drawing screen based on the drawing operation input by the drawing operation input means. And a drawing locus information acquisition unit that acquires each divided drawing locus as drawing locus information, and transmits the drawing locus information acquired by the drawing locus information acquisition unit to the drawing history registration terminal. The drawing history registration terminal includes: drawing trajectory information storage means for storing the drawing trajectory information; drawing trajectory information registration means for registering the drawing trajectory information in the drawing trajectory information storage means; A drawing history reproducing means for reproducing the drawing history on the basis of the drawing trajectory information of the drawing trajectory information storage means; The drawing trajectory information registration means receives the drawing trajectory information, and includes environment specifying information input means for inputting environment specifying information for specifying a situation, background or other environment when the divided drawing trajectory is drawn. In this case, the received drawing trajectory information is registered in the drawing trajectory information storage means in association with the environment specifying information input by the environment specifying information input means, and the drawing history reproducing means uses the search key as the search key. , The drawing locus information matching the given search key is searched from the drawing locus information storage means, and the drawing history is reproduced based on the drawing locus information retrieved by the search. It has become.

With such a configuration, in the screen device, when the drawing operation performed by the drawing device on the drawing screen is input by the drawing operation input means, the drawing operation input by the drawing trajectory information acquisition means. Based on the above, each section drawing locus is acquired as drawing locus information, and the acquired drawing locus information is transmitted to the drawing history registration terminal. In the drawing history registration terminal, when the drawing trajectory information is received and the environment specifying information is inputted by the environment specifying information input means, the drawing trajectory information registering means specifies the received environment by the drawing trajectory information registering means. It is registered in the drawing trajectory information storage means in association with the information.

Further, in the drawing history registration terminal, when the environment specifying information is given as the search key, the drawing locus information matching the given search key is searched from the drawing locus information storage means. As a result, when the corresponding drawing trajectory information is searched, the drawing history is reproduced based on the searched drawing trajectory information. Here, in the reproduction by the drawing history reproducing means, in addition to displaying the drawing history on the display means by reproducing, drawing locus information is transmitted to another terminal according to the reproducing order, or together with the order information specifying the reproducing order. It includes transmitting the drawing trajectory information to another terminal. Hereinafter, the same applies to the drawing history reproduction system, the drawing history registration terminal, and the terminal program described in the present invention.

Further, the drawing history reproducing system according to the present invention communicably connects a screen device having a drawing screen which can be drawn by a drawing device and a drawing history registration terminal which registers a drawing history for the drawing screen. A system for registering and reproducing the drawing history, wherein the screen device inputs by a drawing operation input means for inputting a drawing operation performed on the drawing screen by the drawing device, and the drawing operation input means. The drawing locus includes a drawing locus information acquiring unit that divides the drawing locus of a drawing performed on the drawing screen based on a drawing operation into predetermined units, and acquires each divided drawing locus as drawing locus information. The drawing trajectory information acquired by the information acquisition means is transmitted to the drawing history registration terminal. The drawing history registration terminal includes a drawing locus information storage unit for storing the drawing locus information, a drawing locus information registration unit for registering the drawing locus information in the drawing locus information storage unit, and a drawing locus information storage unit. An environment identification for identifying the situation, background or other environment when the segmented drawing trajectory is drawn, the drawing system having a drawing history reproducing means for reproducing the drawing history based on the drawing trajectory information. When the drawing locus information registration means receives the drawing locus information, the drawing locus information registration means is provided with environment specific information input means for inputting information. When the environment information is given as a search key, the drawing history information is registered in the drawing locus information storage means in association with the environment specifying information. Retrieves the matching drawing track information to the given search key from among the drawing track information storage means, so as to reproduce the drawing history based on the drawing track information retrieved by the search.

With this configuration, in the screen device, when the drawing operation performed by the drawing device on the drawing screen is input by the drawing operation input means, the drawing operation input by the drawing trajectory information acquisition means. Based on the above, each segmental drawing locus is acquired as drawing locus information, and the acquired drawing locus information is transmitted to the drawing history registration terminal. In the drawing history registration terminal, when the drawing locus information is received and a plurality of different kinds of environment specifying information are inputted by the environment specifying information input means, the drawing locus information registering means inputs the received drawing locus information. It is registered in the drawing locus information storage means in association with the plurality of created environment specifying information.

Further, in the drawing history registration terminal, when the environment specifying information is given as the search key, the drawing locus information matching the given search key is searched from the drawing locus information storage means. As a result, when the corresponding drawing trajectory information is searched, the drawing history is reproduced based on the searched drawing trajectory information. Further, in the drawing history reproducing system according to the present invention, in the drawing history reproducing system described above, the environment specifying information is creator information about a person who has drawn the segmented drawing trajectory.

With such a construction, in the drawing history registration terminal, when the drawing person information is inputted by the environment specifying information input means, the drawing locus information registering means receives the drawing locus information by the inputted drawing. It is registered in the drawing trajectory information storage means in association with the person information. Further, in the drawing history registration terminal, when the drawing person information is given as a search key,
The drawing locus information matching the given search key is searched from the drawing locus information storage means. As a result, when the corresponding drawing trajectory information is searched, the drawing history is reproduced based on the searched drawing trajectory information.

Further, in the drawing history reproducing system according to the present invention, in the drawing history reproducing system, the environment specifying information is drawing place information relating to a place where the person who draws the segmented drawing locus is located at the time of drawing. is there. With such a configuration, in the drawing history registration terminal, when the drawing location information is input by the environment specifying information input means, the drawing trajectory information registration means changes the received drawing trajectory information to the input drawing location information. It is associated and registered in the drawing trajectory information storage means.

Further, in the drawing history registration terminal, when the drawing location information is given as a search key, the drawing locus information matching the given search key is searched from the drawing locus information storage means. As a result, when the corresponding drawing trajectory information is searched, the drawing history is reproduced based on the searched drawing trajectory information. Further, in the drawing history reproducing system according to the present invention, in the drawing history reproducing system described above, the environment specifying information is drawing time information regarding a time at which the segmented drawing trajectory is drawn.

With such a configuration, in the drawing history registration terminal, when the drawing time information is inputted by the environment specifying information input means, the drawing locus information registering means receives the drawing locus information inputted by the drawing. It is registered in the drawing trajectory information storage means in association with the time information. Further, in the drawing history registration terminal, when the drawing time information is given as a search key, the drawing locus information matching the given search key is searched from the drawing locus information storage means. as a result,
When the corresponding drawing trajectory information is searched, the drawing history is reproduced based on the searched drawing trajectory information.

Further, in the drawing history reproducing system according to the present invention, in the drawing history reproducing system, the environment specifying information is a keyword for the segmented drawing locus. With such a configuration, in the drawing history registration terminal, when a keyword is input by the environment specifying information input means, the drawing trajectory information registration means associates the received drawing trajectory information with the input keyword. It is registered in the drawing trajectory information storage means.

In the drawing history registration terminal, when a keyword is given as a search key, drawing locus information matching the given search key is searched from the drawing locus information storage means. As a result, when the corresponding drawing trajectory information is searched, the drawing history is reproduced based on the searched drawing trajectory information. Further, in the drawing history reproducing system according to the present invention, in the drawing history reproducing system, the environment specifying information is version information regarding a version set for the segmented drawing trajectory.

With this structure, in the drawing history registration terminal, when the version information is input by the environment specifying information input means, the drawing trajectory information registration means receives the drawing trajectory information by inputting the version information. And is registered in the drawing trajectory information storage means in association with. Further, in the drawing history registration terminal, when the version information is given as the search key, the drawing locus information matching the given search key is searched from the drawing locus information storage means. As a result, when the corresponding drawing trajectory information is searched, the drawing history is reproduced based on the searched drawing trajectory information.

Further, in the drawing history reproducing system according to the present invention, in the drawing history reproducing system described above, the drawing history reproducing means is operable to specify a reproduction target area to be reproduced in the drawing screen. Searching the drawing trajectory information of the drawing trajectory information storage means for the segmented drawing trajectory drawn in the reproduction target area, and reproducing the drawing history based on the drawing trajectory information retrieved by the search. It has become.

With such a structure, when the reproduction target area is designated, the drawing history reproducing means conforms to the given search key and draws trajectory information relating to the segmental drawing trajectory drawn in the reproduction target area. Is retrieved from the drawing locus information storage means. As a result, when the corresponding drawing trajectory information is searched, the drawing history is reproduced based on the searched drawing trajectory information. Furthermore, in the drawing history reproducing system according to the present invention, in the drawing history reproducing system, when the drawing history reproducing means reproduces the drawing history, a plurality of segmented drawing loci are overlapped,
The drawing history is reproduced in a display form in which a predetermined one of the divided drawing trajectories is emphasized more than other divided drawing trajectories.

With such a configuration, when a plurality of divided drawing trajectories overlap each other when reproducing the drawing history, a predetermined one of the divided drawing trajectories is designated by the drawing history reproducing means as another divided drawing. The drawing history is reproduced in a display form that is emphasized more than the locus. On the other hand, in order to achieve the above object, the drawing history registration terminal according to the present invention is a terminal communicably connected to a screen device in the drawing history reproduction system according to the present invention, and stores the drawing trajectory information. Drawing locus information storage means, a drawing locus information registration means for registering the drawing locus information in the drawing locus information storage means, and the drawing history based on the drawing locus information in the drawing locus information storage means. When the drawing locus information registration means receives the drawing locus information, the drawing locus information registration means associates the received drawing locus information with the environment specifying information input by the environment specifying information input means, When the environment specifying information is given as a search key, the drawing history reproducing means registers in the drawing locus information storage means, and the drawing history reproducing means draws a drawing that matches the given search key. Find the locus information from among the drawing track information storage means, so as to reproduce the drawing history based on the drawing track information retrieved by the search.

With such a structure, an operation equivalent to that of the drawing history registration terminal in the drawing history reproducing system according to the present invention can be obtained. Furthermore, the drawing history registration terminal according to the present invention is a terminal that is communicably connected to a screen device in the drawing history reproduction system according to the present invention,
Based on drawing locus information storage means for storing the drawing locus information, drawing locus information registration means for registering the drawing locus information in the drawing locus information storage means, and drawing locus information in the drawing locus information storage means When the drawing locus information registering unit receives the drawing locus information, the drawing locus information registering unit reproduces the drawing history, and when the drawing locus information registration unit receives the drawing locus information, a plurality of different drawing locus information input by the environment specifying information input unit are input. When the environment specifying information is given as a search key, the drawing history reproducing means registers it in the drawing locus information storage means in association with the kind of environment specifying information. Information is searched from the drawing locus information storage means, and the drawing history is reproduced based on the drawing locus information retrieved by the search.

With such a configuration, an operation equivalent to that of the drawing history registration terminal in the drawing history reproducing system according to the present invention can be obtained. On the other hand, in order to achieve the above purpose,
A drawing history registration program according to the present invention is a program for registering a drawing history for a predetermined drawing area,
Drawing operation input means for inputting a drawing operation for the drawing area, and a drawing locus for drawing drawn on the drawing area based on the drawing operation input by the drawing operation input means is divided into predetermined units. Drawing locus information acquisition means for acquiring a drawing locus as drawing locus information, drawing locus information registration means for registering the drawing locus information acquired by the drawing locus information acquisition means in the drawing locus information storage means, and the divided drawing loci are drawn. When the situation, the background or other environment is a program for causing a computer to perform a process realized as environment specifying information input means for inputting environment specifying information for specifying the environment, the drawing trajectory information registration means, Correspond the drawing trajectory information acquired by the drawing trajectory information acquisition means with the environment specifying information input by the environment specifying information input means. Only and is adapted to register in the drawing track information storage means.

With such a configuration, when the program is read by the computer and the computer executes processing in accordance with the read program, the same operation as the drawing history registration system according to the present invention can be obtained.
Further, the drawing history registration program according to the present invention is a program for registering a drawing history for a predetermined drawing area, and is input by a drawing operation input means for inputting a drawing operation for the drawing area and the drawing operation input means. Drawing locus information acquisition means for dividing the drawing locus into predetermined units for drawing performed on the drawing area based on a drawing operation, and acquiring each divided drawing locus as drawing locus information,
Drawing locus information registration means for registering the drawing locus information acquired by the drawing locus information acquisition means in the drawing locus information storage means,
And a program for causing a computer to execute processing realized as environment specifying information input means for inputting environment specifying information for specifying a situation, background or other environment when the divided drawing trajectory is drawn. The drawing locus information registration means registers the drawing locus information acquired by the drawing locus information acquisition means in the drawing locus information storage means in association with a plurality of different types of environment specifying information input by the environment specifying information input means. It is like this.

With such a configuration, when the program is read by the computer and the computer executes processing in accordance with the read program, the same operation as that of the drawing history registration system according to the present invention can be obtained.
On the other hand, in order to achieve the above object, the terminal program according to the present invention is a program to be executed by the drawing history registration terminal according to the present invention including a computer, and is stored in the drawing locus information storage means. A program for executing processing realized as a drawing trajectory information registration unit that registers drawing trajectory information, and a drawing history reproducing unit that reproduces the drawing history based on the drawing trajectory information of the drawing trajectory information storage unit, The drawing locus information registration means, when receiving the drawing locus information, registers the received drawing locus information in the drawing locus information storage means in association with the environment specifying information input by the environment specifying information input means. When the environment specifying information is given as a search key, the drawing history reproducing means is configured to draw information on a drawing trajectory that matches the given search key. The retrieved from among the drawing track information storage means, so as to reproduce the drawing history based on the drawing track information retrieved by the searching.

With such a configuration, when the program is read by the drawing history registration terminal and the drawing history registration terminal executes processing in accordance with the read program,
An effect equivalent to that of the drawing history registration terminal described in the present invention can be obtained. Further, the terminal program according to the present invention is a program to be executed by the drawing history registration terminal according to the present invention including a computer, and is a drawing trajectory for registering the drawing trajectory information in the drawing trajectory information storage means. The drawing trajectory information registration means is a program for executing a process realized as a drawing history reproducing means for reproducing the drawing history based on the drawing trajectory information of the drawing trajectory information storage means. When the drawing locus information is received, the received drawing locus information is registered in the drawing locus information storage means in association with a plurality of different kinds of environment specifying information input by the environment specifying information input means, and the drawing history is stored. When the environment specifying information is given as a search key, the reproducing means draws the drawing trajectory information that matches the given search key. It was retrieved from the track information storage means, so as to reproduce the drawing history based on the drawing track information retrieved by the search.

With this configuration, when the program is read by the drawing history registration terminal and the drawing history registration terminal executes processing in accordance with the read program,
An effect equivalent to that of the drawing history registration terminal described in the present invention can be obtained. On the other hand, in order to achieve the above object, the drawing history registration method according to the present invention is based on a drawing operation input step of inputting a drawing operation for a predetermined drawing area and a drawing operation input in the drawing operation input step. Drawing locus information acquisition step of dividing the drawing locus into predetermined units for drawing performed on the drawing area, and acquiring each divided drawing locus as drawing locus information; and drawing locus acquired in the drawing locus information acquisition step. A method of registering a drawing history for the drawing area, including a drawing trajectory information registration step of registering information in a drawing trajectory information storage means, wherein a situation, background or other environment when the segmented drawing trajectory is drawn is set. The drawing trajectory information registration step includes an environment specifying information input step of inputting environment specifying information for specifying the drawing track information. The acquired drawing track information in the information acquisition step, and registers the drawing track information storage means in association with the environment specifying information input by the environment identification information input step.

Further, in the drawing history registration method according to the present invention, a drawing operation input step for inputting a drawing operation for a predetermined drawing area, and a drawing operation for the drawing area based on the drawing operation input in the drawing operation input step. Drawing locus information obtained in the drawing locus information acquisition step, which divides the drawing locus into predetermined units and draws each divided drawing locus as drawing locus information, and drawing locus information A method for registering a drawing history for the drawing area, including a drawing trajectory information registration step of registering in a storage means, and an environment for specifying a situation, background or other environment when the segmented drawing trajectory is drawn. The drawing trajectory information registration step includes an environment specific information input step of inputting specific information. The acquired drawing track information-up is registered in the drawing track information storage means in association with a plurality of kinds of environment identification information different entered in the environment identification information input step.

[0041]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 11 show a drawing history registration system, a drawing history reproduction system, and
It is a figure showing an embodiment of a drawing history registration terminal, a drawing history registration program and a terminal program, and a drawing history registration method. The present embodiment is directed to a drawing history registration system, a drawing history reproduction system, a drawing history registration terminal, a drawing history registration program and a terminal program according to the present invention,
The drawing history registration method is applied to a case where participants in a plurality of venues H _{1 to} H _n share an identical drawing screen to hold an electronic conference as shown in FIG.

First, the configuration of a system to which the present invention is applied will be described with reference to FIG. FIG. 1 is a network connection diagram showing the configuration of a system to which the present invention is applied. On the Internet 199, as shown in FIG.
₁ to H _n screen device 100 installed in the electronic conference management server 200 that manages the operation of the electronic conference using the screen device 100 is connected. Each screen device 100 has a screen that can be drawn with a stylus pen and a projector, captures the content drawn on the screen as drawing trajectory information, and transmits the captured drawing trajectory information to another screen device 100. Based on the drawing trajectory information received from the other screen device 100, the contents drawn by the projector at the other venue are projected on the screen. As a result, each venue H
_Since the contents drawn in _{1 to} H _n are reflected on the screens of all other venues, the participants in each of the venues H _{1 to} H _n can share the same drawing screen to hold the electronic conference. it can.

Next, the configuration of the screen device 100 is shown in FIG.
Will be described in detail with reference to. FIG. 2 is a schematic diagram showing the configuration of the screen device 100. Screen device 1
00 is a stylus pen 110, as shown in FIG.
Screen 12 that can be drawn with the stylus pen 110
0 and the stylus pen 110 with respect to the screen 120
The position detection sensor 130 detects the drawing position of the stylus pen 110 when the drawing is performed, and the projector 150 projects the image on the screen 120.

Next, the structure of the stylus pen 110 is shown in FIG.
Will be described in detail with reference to. FIG. 3 is a functional block diagram showing the configuration of the screen device 100. As shown in FIG. 3, the stylus pen 110 includes a painter information detection unit 112 that detects painter information about a painter, and wireless communication that transmits a wireless signal including the painter information detected by the painter information detection unit 112. And a section 114. The drawer information detection unit 112 allows the participant to enter the stylus pen 110.
The personal information of the participant is detected as the drawing person information when the user holds the. As a configuration for realizing this, for example, an RFID (Radio Frequency IDentifi
(cation) By utilizing a technology such as a non-contact type IC tag, it is possible to adopt a configuration in which personal information is acquired as drawing person information from an IC card or the like owned by the participant. In addition, for example, personal information of each participant is stored in advance in the internal memory, the personal information of the participant who owns the stylus pen 110 is specified by using a technique such as biometrics, and the specified personal information is stored. It is also possible to adopt a configuration in which the drawing information is read from the internal memory.

Next, the structure of the position detection sensor 130 is shown in FIG.
Will be described in detail with reference to. Position detection sensor 130
As shown in FIG. 3, the pen information acquisition unit 132 that acquires the drawing position of the stylus pen 110 on the screen 120 and the creator information as pen information, and the pen information acquired by the pen information acquisition unit 132 to the projector 150. It is composed of a communication unit 134 for transmitting. When the pen information acquisition unit 132 receives a wireless signal from the stylus pen 110 by a plurality of antennas provided in the position detection sensor 130, the pen information acquisition unit 132 obtains the drawing position of the stylus pen 110 and the creator information based on the received wireless signal. The detected drawing position and the detected creator information are acquired as pen information. The drawing position of the stylus pen 110 can be calculated, for example, by the difference in arrival time of the wireless signal to each antenna. Note that the acquisition of the pen information may be performed every predetermined time (for example, several [ms]),
It may be performed when the pen information of the same stylus pen 110 changes.

Next, the structure of the projector 150 will be described in detail with reference to FIG. The projector 150
It is configured to have the same function as a general computer in which a CPU, a ROM, a RAM, an I / F, etc. are connected by a bus, and as shown in FIG. 3, a communication unit that receives pen information from the position detection sensor 130. 152, a drawing locus information acquisition unit 154 that acquires drawing locus information based on pen information received by the communication unit 152, a place setting unit 156 that sets the location of the venue, a time measurement unit 158 that measures the time, A keyword input unit 160 for inputting a keyword for a drawn image, a version setting unit 162 for setting a version for a drawn image, a search key input unit 164 for inputting a search key, and a search key input by the search key input unit 164. The drawing history reproduction executing unit 166 that executes reproduction of the drawing history based on the drawing history, and the electronic conference management server 200 via the Internet 199. A communication unit 168 that communicates, and a projection unit 170 for projecting an image on a screen 120.

The place setting unit 156 can set the place of the venue manually or automatically by using GPS (Global Positioning System) or the like, and stores the place information regarding the set place. . As a configuration for realizing this, for example, as shown in FIG. 4, the map information is acquired from the electronic conference management server 200 and other servers, and the map is displayed on the screen 120 by the projection unit 170 based on the acquired map information. It is possible to adopt a configuration in which the location of the venue is set by designating the location of the venue with the stylus pen 110 from the displayed map and the coordinates on the map are stored as the location information. FIG. 4 is a display screen showing the case of setting the location of the venue.

The version setting unit 162 can set the version for the drawn image and stores the version information regarding the set version. The drawing locus information acquisition unit 154 uses the drawing position of the pen information received by the communication unit 152, based on the drawing position.
With respect to the drawing performed on 20, the drawing locus is divided into predetermined units, and each divided drawing locus is acquired as drawing locus information. More specifically, it can be realized by the CPU executing the first to third drawing trajectory information registration request processing shown in the flowcharts of FIGS. The first to third drawing trajectory information registration request processings are executed in parallel in a time-division manner in the CPU.

First, the first drawing trajectory information registration request processing will be described in detail with reference to FIG. FIG. 5 is a flowchart showing the first drawing trajectory information registration request processing. The first drawing trajectory information registration request process acquires drawing trajectory information, creator information, place information, and time information, and registers the acquired drawing trajectory information in association with the creator information, place information, and time information. When it is a process of requesting the electronic conference management server 200 to do something and is executed by the CPU, as shown in FIG. 5, first, step S100.
It is designed to move to.

In step S100, it is determined whether or not the pen information is received by the communication section 152. When it is determined that the pen information is received (Yes), the process proceeds to step S102, but when it is determined that it is not. (No) waits in step S100 until the pen information is received. Step S10
In step 2, the segmented drawing locus is acquired as drawing locus information based on the drawing position in the received pen information, and step S1
04, the drawing person information is acquired from the received pen information, and the process proceeds to step S106, where the place setting unit 156
The location information is input from, and the process proceeds to step S108.

In step S108, the time measuring unit 158
The time (current time) measured in step S110 is acquired as time information, the process proceeds to step S110, and the acquired drawing trajectory information, creator information, place information, and time information are electronically transmitted via the communication unit 168 together with a registration request. Conference management server 200
To end the series of processing and return to the original processing. Next, the second drawing trajectory information registration request processing will be described in detail with reference to FIG. FIG. 6 is a flowchart showing the second drawing trajectory information registration request processing.

The second drawing locus information registration request process is a process of acquiring the drawing locus information and the keyword, and requesting the electronic conference management server 200 to register the acquired drawing locus information in association with the keyword. Then, when executed by the CPU, as shown in FIG. 6, first, the process proceeds to step S200. Step S2
In 00, it is determined whether or not the input of the keyword is requested, and when it is determined that the input of the keyword is requested (Ye
In step s), the process proceeds to step S202, but if it is determined that it is not (No), the process waits in step S200 until a keyword input is requested.

In step S202, a keyword is input from the keyword input section 160, and the process proceeds to step S204, in which the designation of the applicable area to which the drawn image to which the keyword is associated belongs on the screen 120 is input from the keyword input section 160, Control goes to step S206. In step S206, the drawing trajectory information of the drawing image belonging to the specified application target area is generated based on the already acquired drawing trajectory information, and the process proceeds to step S208 to register the generated drawing trajectory information and the keyword. The electronic conference management server 2 via the communication unit 168 together with the request
00 to end the series of processing and return to the original processing.

Next, the third drawing trajectory information registration request processing will be described in detail with reference to FIG. FIG. 7 is a flowchart showing the third drawing trajectory information registration request processing.
The third drawing trajectory information registration request process is a process of acquiring the drawing trajectory information and the version information, and requesting the electronic conference management server 200 to register the acquired drawing trajectory information in association with the version information. When executed by the CPU, as shown in FIG.
It is designed to shift to 300.

In step S300, it is determined whether or not version setting is requested. If it is determined that version setting is requested (Yes), the process proceeds to step S302, but if it is not (No). ) Waits in step S300 until version setting is requested. In step S302, the version information is input from the version setting unit 162, the process proceeds to step S304, and the designation of the application target area to which the drawn image to which the version information is associated on the screen 120 is input from the version setting unit 162. The process moves to S306.

In step S306, the drawing locus information of the drawing image belonging to the specified application target area is generated based on the already acquired drawing locus information, and in step S30.
8, the generated drawing locus information and version information are transmitted together with the registration request to the electronic conference management server 200 via the communication unit 168, and a series of processing is ended and the original processing is returned to. On the other hand, returning to FIG. 3, the drawing history reproduction executing unit 166 requests the electronic conference management server 200 to transmit the drawing trajectory information based on the search key input by the search key input unit 164, and receives the drawing trajectory. The drawing history is reproduced by the projection unit 170 based on the information. More specifically, it can be realized by the CPU executing the first and second drawing history reproduction execution processes shown in the flowcharts of FIGS. 8 and 9. The first and second drawing history reproduction execution processes are executed by the CPU.
In time division, each is executed in parallel.

First, the first drawing history reproduction execution process will be described in detail with reference to FIG. FIG. 8 is a flowchart showing the first drawing history reproduction execution processing. The first drawing history reproduction execution process is a process of reproducing the drawing history using the entire screen 120, and when executed by the CPU, as shown in FIG. 8, first, step S4.
It is designed to shift to 00. In step S400, it is determined whether or not the reproduction of the drawing history is requested, and when it is determined that the reproduction of the drawing history is requested (Yes), the process proceeds to step S402, but when it is determined that it is not.
(No) is step S4 until reproduction of the drawing history is requested.
Wait at 00.

In step S402, the search key input unit 1
When a search key is input from 64, the process proceeds to step S404, and it is determined whether the search key input is completed. When it is determined that the search key input is completed (Yes), the process proceeds to step S406. . In step S406, search data indicating search conditions is generated based on the input search key. Specifically, when any one of the drawing information, the place information, the time information, the keyword, and the version information is input as the search key, the search for searching the drawing trajectory information that matches the search key. Generate data. Further, when a plurality of drawing information, place information, time information, keyword and version information are input as the search key, search data for searching drawing trajectory information that matches any of the search keys. To generate.

Then, the process proceeds to step S408, the generated search data is transmitted to the electronic conference management server 200 via the communication section 168 together with the search request, and step S4 is executed.
10, the drawing locus information is received from the electronic conference management server 200 via the communication unit 168, and step S41
In step 2, the reproducing process of reproducing the drawing history is performed by the projection unit 170 based on the received drawing trajectory information, and the series of processes is ended and the original process is resumed.

On the other hand, when it is determined in step S404 that the input of the search key is not completed (No), step S404
Move to 402. Next, the second drawing history reproduction execution process will be described in detail with reference to FIG. FIG. 9 is a flowchart showing the second drawing history reproduction execution process. The second drawing history reproduction execution process is a process of reproducing the drawing history by limiting the area of the screen 120, and when it is executed by the CPU, as shown in FIG. 9, first, the process proceeds to step S500. It has become.

In step S500, the screen 120
If it is determined that the drawing history should be reproduced by limiting the area, the determination is made that the drawing history should be reproduced by limiting the area (Yes), the process proceeds to step S502. Transition, but when it is determined that it is not (No)
Waits in step S500 until it is requested to reproduce the drawing history by limiting the area. Step S50
In 2, the selection of the area designation mode is input, and step S5
When it is determined that the selected area designation mode is the rectangular area designation mode and it is determined that the selected area designation mode is the rectangular area designation mode (Ye
s) moves to step S506 and the screen 120
A rectangular area is designated as a reproduction target area to be reproduced, and the process proceeds to step S508.

In step S508, the search key input unit 1
A search key is input from 64, the process proceeds to step S510, it is determined whether the search key input is completed, and when it is determined that the search key input is completed (Yes), the process proceeds to step S512. . In step S512, search data indicating search conditions is generated based on the input search key. Specifically, when any one of the drawing information, the place information, the time information, the keyword, and the version information is input as the search key, the category that matches the search key and is drawn in the reproduction target area. Retrieval data for retrieving drawing trajectory information relating to a drawing trajectory is generated. In addition, when a plurality of drawing information, place information, time information, keyword, and version information are input as search keys, the segmented drawing that matches any of the search keys and is drawn in the playback target area Retrieval data for retrieving drawing trajectory information relating to a trajectory is generated.

Then, the process proceeds to step S514, the generated search data is transmitted to the electronic conference management server 200 via the communication section 168 together with the search request, and the step S5 is performed.
16, the drawing trajectory information is received from the electronic conference management server 200 via the communication unit 168, and step S51 is performed.
8, the reproducing process of reproducing the drawing history is performed by the projection unit 170 based on the received drawing trajectory information, the series of processes is ended, and the process is returned to the original process.

On the other hand, when it is determined in step S510 that the input of the search key is not completed (No), step S510
Move to 508. On the other hand, when it is determined in step S504 that the selected area designation mode is not the rectangular area designation mode (No), the process proceeds to step S520, and it is determined whether the selected area designation mode is the arbitrary area designation mode. If it is determined that the selected area designation mode is the arbitrary area designation mode (Yes), step S522
Then, the designation of an arbitrary area is input as the reproduction target area, and the process proceeds to step S508.

On the other hand, when it is determined in step S520 that the selected area designation mode is not the arbitrary area designation mode (No), the process proceeds to step S502. Next, the configuration of the electronic conference management server 200 will be described in detail with reference to FIG. FIG. 10 is a functional block diagram showing the configuration of the electronic conference management server 200. Electronic conference management server 2
Reference numeral 00 denotes a communication unit 202 that communicates with each projector 150 via the Internet 199, as shown in FIG.
A drawing locus information registration database (hereinafter simply referred to as DB) 204 for storing drawing locus information, and drawing in the drawing locus information registration DB 204 in response to a registration request received by the communication unit 202. Drawing trajectory information registration unit 206 for registering trajectory information, and drawing trajectory information registration DB 204 in response to a search request received by communication unit 202.
And a drawing locus information search unit 208 that searches for drawing locus information from among them.

The drawing locus information registration unit 206 includes the communication unit 20.
When the drawing trajectory information, the creator information, the place information and the time information are received together with the registration request according to 2, the received drawing trajectory information is associated with the received creator information, the place information and the time information and the drawing trajectory information. It is designed to be registered in the registration DB 204. In addition, the drawing trajectory information registration unit 2
When the communication locus 202 receives the drawing locus information and the keyword together with the registration request, the communication unit 06 registers the received drawing locus information in the drawing locus information registration DB 204 in association with the received keyword. In this case, when the same drawing locus information as the drawing locus information to be registered is already registered in the drawing locus information registration DB 204, the registered drawing locus information is overwritten and registered.

When the drawing locus information registration unit 206 receives the drawing locus information and the version information together with the registration request from the communication unit 202, the drawing locus information registration unit 206 associates the received drawing locus information with the received version information and draws the drawing locus information. The information is registered in the information registration DB 204. In this case, when the same drawing locus information as the drawing locus information to be registered is already registered in the drawing locus information registration DB 204, the registered drawing locus information is overwritten and registered.

The drawing locus information retrieval unit 208 includes the communication unit 20.
2, when the search data is received together with the search request, the drawing locus information registration DB 204 is searched for the drawing locus information that matches the search condition of the received search data, and the drawing locus information found by the search is retrieved by the projector. It is designed to send to 150. As shown in FIG. 11, the drawing trajectory information registration DB 204 stores a drawing trajectory information registration table 400 for registering the drawing trajectory information. FIG. 11 is a diagram showing a data structure of the drawing trajectory information registration table 400.

The drawing trajectory information registration table 400 is shown in FIG.
As shown in FIG. 1, one record can be registered for each drawing trajectory information. Each record includes a field 402 for registering drawing trajectory information, a field 404 for registering creator information, and a field 4 for registering location information.
06, a field 408 for registering time information, a field 410 for registering a keyword, and a field 412 for registering version information.

In the example of FIG. 11, the record of the second row is "(1,1)-(20,1)" as the drawing trajectory information.
9); “Red”, “Mr. B” as the creator information, “Osaka” as the location information, and “10:30” as the time information.
However, “additional amount” is registered as a keyword and “1.0” is registered as version information. This is from the coordinates (1,1) to the coordinates (2
The straight line drawn in red up to 0, 19) is acquired as a segmental drawing locus, and the person who draws the segmental drawing locus is “Mr. B”, the place where the segmental drawing locus is drawn is “Osaka”, and the segmental drawing locus. Means that the drawing time is "10:30", the keyword for the segmented drawing area is "additional", and the version set for the segmented drawing area is "1.0".

Next, the operation of this embodiment will be described. Prior to conducting the electronic conference, in each of the halls H _{1 to} H _n , the place of the hall is set by the place setting unit 156 in the screen device 100. To set the location of the venue, the location setting unit 156 inputs a request for setting the location of the venue. In the projector 150, when the setting request is input, the place setting unit 156 causes the electronic conference management server 20 to operate.
0 map information is acquired from other servers, and the projection unit 170 screens the screen 12 based on the acquired map information.
A map is displayed at 0. Here, if the stylus pen 110 is used to indicate the location of the venue from the displayed map,
The coordinates on the map are stored as the location information.

By setting the location of the venue in this way, it is possible to hold an electronic conference at each of the venues H _{1 to} H _n . In the electronic conference, the participants can stylus the pen 1 on the screen 120.
When drawing with 10, the projector 150
The content drawn on the screen 120 is captured as the drawing trajectory information, and the captured drawing trajectory information is transmitted to another projector 150. Upon receiving the drawing trajectory information, the other projector 150 projects the drawn content on the screen 120 based on the received drawing trajectory information. As a result, the contents drawn in each of the halls H _{1 to} H _n are reflected on the screens 120 of all the other halls, so that the participants in each of the halls H _{1 to} H _n share the same drawing screen. You can hold an electronic conference.

Next, a case where the drawing trajectory information is registered in the electronic conference management server 200 will be described. When the participant carries the stylus pen 110 for drawing, the personal information of the participant is detected by the drawing information detector 112 as drawing information, and the wireless communication unit 114 detects the detected drawing information. A wireless signal including the signal is transmitted. The participant sends the stylus pen 11 to send the wireless signal including the drawing person information.
It will be held continuously while holding 0.

On the other hand, the participant can draw on the screen 120 with the stylus pen 110. When the position detection sensor 130 receives wireless signals from a plurality of antennas during drawing on the screen 120,
The pen information acquisition unit 132 detects the drawing position and the creator information of the stylus pen 110 based on the received wireless signal, acquires the detected drawing position and the creator information as pen information, and the communication unit 134 acquires the information. The created pen information is transmitted to the projector 150.

In the projector 150, when pen information is received by the communication section 152, steps S100 to S10 are performed.
After 6, the drawing trajectory information acquisition unit 154 acquires the segmented drawing trajectory as the drawing trajectory information based on the drawing position in the received pen information, acquires the creator information from the received pen information, and sets the location setting unit 156. Location information is input from. Then, through steps S108 and S110,
The time measured by the time measuring unit 158 is acquired as time information, and the acquired drawing trajectory information, creator information, place information, and time information are transmitted to the electronic conference management server 200 together with a registration request.

In the electronic conference management server 200, when the drawing locus information, the drawing information, the place information and the time information are received together with the registration request, the drawing locus information registration section 206 changes the received drawing locus information into the received drawing person information. , Is registered in the drawing trajectory information registration DB 204 in association with the place information and the time information. Further, when the participant draws a chart and registers the chart in association with a specific keyword, the participant requests the projector 150 to input the keyword, and the keyword input unit 160 inputs the specific keyword. Input and specify the drawn chart as the applicable area. The application target area may be specified, for example, by enclosing the outer circumference of the diagram with a stylus pen for specifying the area.

In the projector 150, when a keyword is input and a target area is specified after a keyword is requested, the drawing locus information acquisition unit 154 has already acquired the keyword through steps S206 and S208. Based on the drawing trajectory information, the drawing trajectory information of the drawing image belonging to the designated application target area is generated, and the generated drawing trajectory information and the keyword are transmitted to the electronic conference management server 200 together with the registration request.

When the electronic conference management server 200 receives the drawing trajectory information and the keyword together with the registration request,
The received drawing trajectory information is registered in the drawing trajectory information registration DB 204 in association with the received keyword. Further, when a participant draws a chart, and sets and registers a version for the chart, the participant requests the projector 150 to set the version, and the version setting unit 162 sets the version. At the same time, the drawn chart is specified as the applicable area.

In the projector 150, when the version setting and the application target area are specified after the version setting is requested, the drawing locus information acquiring section 154 has already acquired the information through steps S306 and S308. Based on the drawing trajectory information, the drawing trajectory information of the drawing image belonging to the designated application target area is generated, and the generated drawing trajectory information and the version information are transmitted to the electronic conference management server 200 together with the registration request.

In the electronic conference management server 200, when the drawing trajectory information and the version information are received together with the registration request, the received drawing trajectory information is registered in the drawing trajectory information registration DB 204 in association with the received version information. Next, the case of reproducing the drawing history will be described. In reproducing the drawing history, the drawing history can be reproduced based on the creator information. In this case, the participant requests the projector 150 to reproduce the drawing history.
When “Mr. B” is input to the search key input unit 164 as the creator information, the projector 150 causes step S40 to be performed.
After 6, the drawing history reproduction executing unit 166 generates search data for searching drawing trajectory information that matches the input search key. That is, the search data for searching the drawing trajectory information related to the segmental drawing trajectory drawn by Mr. B is generated. Then, through step S408,
The generated search data is transmitted to the electronic conference management server 200 together with the search request.

In the electronic conference management server 200, when the search data is received together with the search request, the drawing locus information retrieving unit 208 searches the drawing locus information registration DB 204 for drawing locus information that matches the search condition of the received search data. To be searched. At this time, if the drawing trajectory information related to the segmented drawing trajectory drawn by Mr. B exists, all of them are searched. Then, the retrieved drawing trajectory information is transmitted to the projector 150.

In the projector 150, when the drawing locus information is received, the drawing history reproduction execution unit 166 reproduces the drawing history by the projection unit 170 based on the received drawing locus information through step S412. This allows
Only the segmental drawing trajectory drawn by Mr. B will be displayed on the screen 120. Further, in the reproduction of the drawing history, the drawing history can be reproduced based on the location information. In this case, when the participant requests the projector 150 to reproduce the drawing history and, for example, inputs “Osaka” as the location information to the search key input unit 164, the projector 150 causes the drawing history reproduction execution unit 166 to
Retrieval data for retrieving drawing trajectory information matching the input retrieval key is generated. That is, the search data for searching the drawing trajectory information relating to the segmented trajectory drawn at the venue in Osaka is generated. Then, the generated search data is sent to the electronic conference management server 20 together with the search request.
Sent to 0.

In the electronic conference management server 200, when the search data is received together with the search request, the drawing trajectory information search unit 208 retrieves the drawing trajectory information matching the retrieval condition of the received search data from the drawing trajectory information registration DB 204. To be searched. At this time, if the drawing locus information related to the segmented drawing loci drawn at the venue in Osaka exists, all of them are searched. Then, the retrieved drawing trajectory information is transmitted to the projector 150.

In the projector 150, when the drawing locus information is received, the drawing history reproduction executing section 166 reproduces the drawing history by the projection section 170 based on the received drawing locus information. As a result, only the segmented drawing locus drawn at the venue in Osaka is displayed on the screen 120. Further, in the reproduction of the drawing history, the drawing history can be reproduced based on the time information. in this case,
The participant requests the projector 150 to reproduce the drawing history, and, for example, as time information, "10: 00-1
When "0:15" is input to the search key input unit 164, in the projector 150, the drawing history reproduction executing unit 166 generates search data for searching drawing trajectory information that matches the input search key. That is, 10:
Retrieval data for retrieving the drawing trajectory information related to the segmented drawing trajectory drawn between 00 and 10:15 is generated. Then, the generated search data is transmitted to the electronic conference management server 200 together with the search request.

In the electronic conference management server 200, when the search data is received together with the search request, the drawing locus information retrieving unit 208 retrieves the drawing locus information from the drawing locus information registration DB 204 that matches the search condition of the received search data. To be searched. At this time, 10:00 to 10:15
If there is drawing trajectory information related to the segmental drawing trajectory drawn during the period, all of them are searched. Then, the retrieved drawing trajectory information is transmitted to the projector 150.

In the projector 150, when the drawing locus information is received, the drawing history reproduction executing unit 166 reproduces the drawing history by the projection unit 170 based on the received drawing locus information. As a result, the screen 120
Only the segmental drawing locus drawn between 0:00 and 10:15 will be displayed. Further, in the reproduction of the drawing history, the drawing history can be reproduced based on the keyword. In this case, when the participant requests the projector 150 to reproduce the drawing history and inputs, for example, “additional amount” as a keyword into the search key input unit 164, the projector 150 causes the drawing history reproduction execution unit 166 to execute Retrieval data for retrieving drawing trajectory information matching the input retrieval key is generated. That is, search data for searching the drawing trajectory information related to the segmented drawing trajectory associated with the keyword “additional amount” is generated. Then, the generated search data is transmitted to the electronic conference management server 200 together with the search request.

In the electronic conference management server 200, when the search data is received together with the search request, the drawing locus information search unit 208 retrieves drawing locus information matching the search condition of the received search data from the drawing locus information registration DB 204. To be searched. At this time, if the drawing trajectory information related to the segmented drawing trajectory associated with the keyword “additional amount” exists, all of them are searched. Then, the retrieved drawing trajectory information is transmitted to the projector 150.

In the projector 150, when the drawing locus information is received, the drawing history reproduction executing unit 166 reproduces the drawing history by the projection unit 170 based on the received drawing locus information. This causes the screen 120 to
Only the segmental drawing loci associated with the keyword “additional amount” will be displayed. Further, in the reproduction of the drawing history, the drawing history can be reproduced based on the version information. In this case, when the participant requests the projector 150 to reproduce the drawing history and, for example, inputs “1.0” as the version information into the search key input unit 164, the projector 150 causes the drawing history reproduction execution unit 166 to operate. Thus, search data for searching the drawing trajectory information that matches the input search key is generated. That is, search data for searching the drawing trajectory information related to the segmented drawing trajectory whose version is set to "1.0" is generated. Then, the generated search data is transmitted to the electronic conference management server 200 together with the search request.

In the electronic conference management server 200, when the search data is received together with the search request, the drawing trajectory information search unit 208 retrieves the drawing trajectory information matching the retrieval condition of the received search data from the drawing trajectory information registration DB 204. To be searched. At this time, the version is "1.0"
If the drawing locus information related to the segmented drawing locus set in No. exists, all of them are searched. Then, the retrieved drawing trajectory information is transmitted to the projector 150.

In the projector 150, when the drawing locus information is received, the drawing history reproduction executing section 166 reproduces the drawing history by the projection section 170 based on the received drawing locus information. As a result, only the segmented drawing locus whose version is set to “1.0” is displayed on the screen 120. Further, in reproducing the drawing history, the drawing history can be reproduced by limiting the area of the screen 120. In this case, the participant requests the projector 150 for the area limited reproduction of the drawing history, selects either the rectangular area designation mode or the arbitrary area designation mode to designate the playback target area, and the search key input unit. When a search key is input to 164, in the projector 150, through the step S512, the drawing history reproduction executing unit 166 conforms to the input search key and drawing locus information relating to the segmented drawing locus drawn in the reproduction target area. The search data for searching is generated. Then, through step S514, the generated search data is transmitted to the electronic conference management server 200 together with the search request.

In the electronic conference management server 200, when the search data is received together with the search request, the drawing trajectory information search unit 208 retrieves the drawing trajectory information matching the retrieval condition of the received search data from the drawing trajectory information registration DB 204. To be searched. At this time, if there is drawing locus information that conforms to the search conditions and that relates to the segmented drawing locus drawn in the reproduction target area, all of them are searched. And
The retrieved drawing trajectory information is transmitted to the projector 150.

When the projector 150 receives the drawing trajectory information, the drawing history reproduction executing unit 166 causes the projection unit 170 to reproduce the drawing history based on the received drawing trajectory information, through step S518. This allows
Only the segmented drawing locus drawn in the reproduction target area is displayed on the screen 120. The drawing history can also be reproduced by a composite search that combines the creator information, the place information, the time information, the keyword, and the version information. For example, if there are people whose last name is B at the venues in Osaka and Tokyo, respectively, the drawing information is "B
When "Osan" is input to the search key input unit 164 as the location information, only the segmental drawing locus drawn by Mr. B who is in the venue of Osaka is displayed on the screen 120.

It is also possible to reproduce the drawing history without giving a search key. In this case, the screen 120
All the segmental drawing trajectories will be displayed in the order of registration (that is, in the order of drawing). In this way, in the present embodiment, when the electronic conference management server 200 receives the drawing trajectory information and the creator information, the drawing trajectory information registration DB 2 associates the received drawing trajectory information with the creator information.
04, and when the drawing person information is given as a search key, the drawing locus information matching the given search key is searched from the drawing locus information registration DB 204, and the drawing locus information retrieved by the search is searched. Is transmitted to the projector 150.

As a result, it is possible to reproduce the drawing history by associating the segmental drawing trajectory with the person who has drawn the segmental drawing trajectory. Therefore, by reproducing the drawing history, the individual segmental drawings constituting the drawing history can be reproduced. It is relatively easy to understand by whom the trajectory was drawn. further,
In the present embodiment, when the electronic conference management server 200 receives the drawing trajectory information and the place information, the drawing trajectory information registration D is performed by associating the received drawing trajectory information with the location information.
When the location information is registered as a search key in B204, the drawing locus information matching the given search key is searched from the drawing locus information registration DB 204, and the drawing locus information found by the search is searched. Projector 150
It is designed to be sent to.

As a result, it is possible to reproduce the drawing history by associating the segmental drawing trajectory with the place of the venue where the segmental drawing trajectory is drawn. It is possible to relatively easily grasp where the section drawing locus of is drawn. Further, in the present embodiment, the electronic conference management server 200
When the drawing locus information and the time information are received, the received drawing locus information is registered in the drawing locus information registration DB 204 in association with the time information, and when the time information is given as a search key, it is given. The drawing locus information matching the search key is searched from the drawing locus information registration DB 204, and the drawing locus information found by the search is transmitted to the projector 150.

As a result, it is possible to reproduce the drawing history by associating the segmental drawing trajectory with the time at which the segmental drawing trajectory was drawn. Therefore, by reproducing the drawing history, the individual segmental drawings constituting the drawing history are reproduced. It is relatively easy to understand when the locus was drawn. Further, in the present embodiment, when the electronic conference management server 200 receives the drawing locus information and the keyword, the drawing locus information registration D is associated with the received drawing locus information and the keyword.
When the keyword is given as a search key by registering in B204, the drawing locus information matching the given search key is searched from the drawing locus information registration DB 204, and the drawing locus information found by the search is displayed by the projector. 15
It is designed to send to 0.

As a result, the drawing history can be reproduced by associating the segmental drawing trajectory with the keyword for the segmental drawing trajectory. Therefore, by reproducing the drawing history, the individual segmental drawing trajectories forming the drawing history can be reproduced. It is relatively easy to understand under what environment the was drawn. Furthermore, in the present embodiment, when the electronic conference management server 200 receives the drawing trajectory information and the version information, the electronic conference management server 200 registers the received drawing trajectory information in the drawing trajectory information registration DB 204 in association with the version information,
When the version information is given as the search key, the drawing locus information matching the given search key is searched from the drawing locus information registration DB 204, and the drawing locus information found by the search is transmitted to the projector 150. It is like this.

As a result, it is possible to reproduce the drawing history by associating the segmental drawing trajectory with the version set for the segmental drawing trajectory. Therefore, by reproducing the drawing history, the individual segmental drawings constituting the drawing history are reproduced. It is possible to understand relatively easily under what environment the trajectory was drawn. Further, in the present embodiment, when the reproduction target area is designated, the electronic conference management server 200 determines, among the drawing trajectory information of the drawing trajectory information registration DB 204, the one related to the segmental drawing trajectory drawn in the reproduction target area. The drawing locus information searched for by the search is transmitted to the projector 150.

As a result, since the drawing history can be reproduced by limiting the reproduction target area, it becomes easier to find the target divided drawing trajectory when searching for the divided drawing trajectory.
In the above embodiment, the drawing person information, the place information, the time information, the keyword, and the version information correspond to the environment specifying information, the place information corresponds to the drawing place information, and the time information corresponds to the drawing time information. ing. In addition, the stylus pen 110 corresponds to a drawing device, and the screen 1
Reference numeral 20 corresponds to a drawing area or drawing screen, and the position detection sensor 130 corresponds to drawing operation input means.

Further, in the above embodiment, the detection by the position detection sensor 130 corresponds to the drawing operation input step, the drawing locus information acquisition unit 154 corresponds to the drawing locus information acquisition means, and the drawing locus information acquisition unit 154. The acquisition by means of corresponds to the drawing trajectory information acquisition step. Also,
Communication unit 152, place setting unit 156, time measuring unit 158,
Keyword input unit 160 and version setting unit 162
Corresponds to the environment specifying information input means, and inputs from the communication unit 152, the place setting unit 156, the time measuring unit 158, the keyword input unit 160, and the version setting unit 162 correspond to the environment specifying information input step.

In the above embodiment, the electronic conference management server 200 corresponds to the drawing history registration terminal, the drawing locus information registration DB 204 corresponds to the drawing locus information storage means, and the drawing locus information retrieving unit 208, It corresponds to the drawing history reproducing means. In addition, the drawing trajectory information registration unit 206
The drawing trajectory information registration unit 2 corresponds to the drawing trajectory information registration means.
The registration by 06 corresponds to the drawing trajectory information registration step.

In the above embodiment, the case where a drawing history such as a part which is once drawn and erased and redrawn has not been described, but a part which has been once drawn and erased and redrawn has not been described. When a plurality of segmented drawing trajectories overlap each other when reproducing the drawing history such as, the rendering history is reproduced in a display mode in which a predetermined one of the segmented drawing trajectories is emphasized more than other segmented drawing trajectories. It may be configured to do so. As a display mode, other than the foremost segmental drawing locus (for example, a temporally new segmental drawing locus) is displayed with reduced brightness or blinking is displayed, and the foremost segmental drawing locus is blinked. It is conceivable to display or display the frontmost segmental drawing trajectory and the other segmental drawing trajectories with different color schemes.

As a result, even if a plurality of segmented drawing trajectories overlap each other when reproducing a drawing history such as a portion that has been once drawn and then redrawn, a predetermined one of the segmented drawing trajectories is highlighted. Therefore, it is possible to mitigate the problem that the drawing history becomes difficult to see. In addition, it is possible to compare the contents before drawing and the contents after drawing with respect to a portion where a drawing is erased and redrawn. In this case, the drawing trajectory information search unit 208 corresponds to the drawing history reproducing means.

Further, in the above-mentioned embodiment, although the specific configuration of the keyword input unit 160, the version setting unit 162 or the search key input unit 164 was not particularly described, it is shown in FIG. 12 as the first configuration. Thus, the screen 120 may be used to input a keyword, version information, or a search key. FIG. 12 is a display screen showing a case where the screen 120 is used to input a keyword, version information, or a search key.

As shown in FIG. 12, when the projector 150 detects pressing of the menu button 500 provided on the outer periphery of the screen 120, the projector 150 has an input dialog 502 having an edit box 504 and an OK button 506, and a character input area. 508 and screen 120
To display. Next, when the writing of the character by the stylus pen 110 is detected in the character input area 508, the detected character is recognized and the recognized character is transcribed to the edit box 504. And OK button 50
When it is detected that the stylus pen 110 touches 6, the character string in the edit box 504 is input as a keyword, version information, or a search key.

As a second configuration, as shown in FIG. 13, a configuration in which a PDA (Personal Digital Assistant) 550 is used to input a keyword, version information or a search key can be adopted. Figure 13 shows PD
It is a display screen which shows the case where a keyword, version information, or a search key is input using A550. First,
The projector 150 and the PDA 550 are communicably connected. When the PDA 550 is requested to input a keyword, version information, or a search key, as shown in FIG. 13, the edit box 554 and the OK button 5
An input dialog 552 having 56 and a character input area 558 are displayed on an LCD (Liquid Crystal Display). Next, when the description of the character by the PDA stylus pen is detected in the character input area 558, the detected character is recognized and the recognized character is transcribed in the edit box 554. Then, click the OK button 556 to PD
When it is detected that the stylus pen for A touches,
The character string in the edit box 554 is input as a keyword, version information or a search key, and transmitted to the projector 150.

Further, in the above embodiment, the drawing person information is acquired based on the wireless signal from the stylus pen 110. However, the present invention is not limited to this, and the projector 150 is as shown in FIG. The input person designation menu 600 displaying a list of participants is displayed on the screen 120, and the participant can input his / her name from the input person designation menu 600 with the stylus pen 11 before drawing.
It may be configured to select 0 and acquire the writer information by detecting this. FIG. 14 is a display screen showing a case where the creator information is input.

Further, in the above-mentioned embodiment, the stylus pen 110 is configured to detect the drawing person information by the drawing person information detecting section 112 and transmit the wireless signal including the detected drawing person information. Not limited to this, each participant may have a stylus pen 110 that stores the personal information, and each stylus pen 110 may be configured to transmit a wireless signal including the stored personal information. Further, in the above-described embodiment, the divided drawing locus is configured by dividing the drawing locus of the drawing performed on the screen 120 into predetermined units, but more specifically, as the first configuration. , As shown in FIG.
It is possible to adopt a configuration in which the area-designating stylus pen 111 is used to acquire the segmental drawing trajectory by designating the areas of the drawn images that are to be grouped as the segmental drawing trajectory. FIG. 15 shows a stylus pen 11 for area designation.
6 is a display screen showing a case where a segmental drawing trajectory is acquired using 1.

The projector 150 has a screen 120.
When the area is specified by the area specifying stylus pen 111 after drawing with the stylus pen 110, a drawing image belonging to the specified area is acquired as a segmented drawing trajectory. Also, the second
As the configuration of FIG. 16, it is possible to adopt a configuration of acquiring the segmental drawing trajectory according to the waiting time as shown in FIG.
FIG. 16 is a display screen showing a case where a segmental drawing trajectory is acquired according to the waiting time.

The projector 150 has a screen 120.
After the drawing with the stylus pen 110, the drawing is not performed and a predetermined time (for example, 10 seconds) elapses, and the content drawn before the predetermined time elapses is acquired as a segmented drawing trajectory. It is like this. Also,
As a third configuration, as shown in FIG. 17, a screen 1
It is also possible to adopt a configuration in which the group drawing locus is obtained by using the group button 620 displayed on the screen 20. Figure 1
7 is a display screen showing a case where the group drawing locus is obtained using the group button 620.

The projector 150 includes the group button 6
20 is displayed on the screen 120, and after drawing with the stylus pen 110 on the screen 120,
When it is detected that the stylus pen 110 has come into contact with the grouping button 620, the content drawn before the stylus pen 110 comes into contact with the grouping button 620 is acquired as a segmented drawing trajectory. Also, the fourth
The stylus pen 110 has a knock portion at the tail end thereof, and the projector 150 detects that the knock portion of the stylus pen 110 has been knocked after drawing on the screen 120 by the stylus pen 110. At this time, it is also possible to adopt a configuration in which the content drawn before the knocking part is knocked is acquired as the segmented drawing trajectory.

As a fifth configuration, the stylus pen 110 is provided with a touch sensor, and the projector 150 is
When it is detected that the touch sensor of the stylus pen 110 has no contact after drawing with the stylus pen 110 on the screen 120, the content drawn during the contact of the touch sensor is acquired as a segmented drawing trajectory. A configuration can also be adopted. Further, in the above embodiment, the drawing history is reproduced based on the drawing trajectory information, but more specifically, the screen 120 is reproduced.
The drawing history may be reproduced by displaying the segmented drawing trajectory at the drawing position so that the process from the initial state in which nothing is displayed to the formation of the final drawn image is followed. , Display a list of segmental drawing trajectories that make up the drawing history, and if the participant selects one or more of the segmental drawing trajectories from the list, display the selected segmental drawing trajectory at the drawing position. By doing so, the drawing history may be reproduced. In the latter case, the list of segmental drawing loci can be displayed on the entire screen 120,
It can be displayed on a part of the screen 120 (for example, near the reproduction target area) or can be displayed on another display device.

In the above embodiment, editing of the drawing locus information was not particularly explained, but
Arbitrary drawing locus information (for example, drawing locus information corresponding to a specific version) may be exchangeable, or the drawing locus information relating to the foremost segmented drawing locus may be exchangeable. Alternatively, one or more of the drawing locus information regarding the sectioned drawing loci of the foreground and other surfaces may be selectively replaceable.

As a result, for example, the drawing locus information corresponding to a specific version can be replaced, so that the drawing locus information of an unnecessary version can be eliminated and the discussion can be conducted again at the electronic conference. In the above embodiment, the drawing trajectory information is stored in the drawing trajectory information registration DB.
Although the deletion from 204 is not particularly described, arbitrary drawing trajectory information may be configured to be removable, or the ordered drawing trajectory information may be deleted before the specified order. The drawing locus information may be configured such that the ordered drawing locus information and the specified order or later can be deleted, and the drawing locus information related to the segmented drawing locus selected during reproduction is It may be configured so that it can be deleted.

Further, in the above-mentioned embodiment, although the description of displaying the auxiliary information during the reproduction of the drawing history is not particularly described, during the reproduction of the drawing history, the creator who is associated with the segmented drawing locus. The information, the location information, the time information, the keyword, or the version information may be used as the auxiliary information and displayed together with the display of the segmental drawing trajectory. In this case, it is also possible to select one or more of the drawing person information, the place information, the time information, the keyword, or the version information and display the selected one as the auxiliary information.

In the above embodiment, the drawing history is reproduced on the screen 120. However, the present invention is not limited to this, and electronic conference management can be performed in a PDA, a notebook computer, a mobile phone, a desktop computer or other terminals. The server 200 may be accessed to obtain drawing trajectory information, and the drawing history may be reproduced on those terminals. Further, in the above-described embodiment, the stylus pen 110 is configured to draw on the screen 120, but the stylus pen 11 is not limited to this.
A virtual drawing area corresponding to 0 is formed on the computer,
A virtual drawing area is drawn by a mouse or the like, and the drawn contents are displayed on the screen 12 by the projector 150.
It may be configured to display 0. In this case, the electronic conference may be performed using only the virtual drawing area without using the screen 120. In any case, the drawing locus information can be acquired based on the drawing operation of the mouse or the like in the same manner as in the above embodiment.

Further, in the above-described embodiments, the case where the control program stored in advance in the ROM is executed has been described for executing the processes shown in the flowcharts of FIGS. 5 to 9. However, the present invention is not limited to this. Alternatively, the program may be read into the RAM from a storage medium in which the program showing these procedures is stored and executed. Here, the storage medium is RA
A semiconductor storage medium such as M and ROM, a magnetic storage type storage medium such as FD and HD, an optical reading type storage medium such as CD, CDV, LD and DVD, and a magnetic storage type / optical reading type storage medium such as MO. Therefore, any storage medium can be included as long as it is a computer-readable storage medium regardless of the reading method such as electronic, magnetic, or optical.

Further, in the above embodiment, the drawing history registration system, the drawing history reproducing system according to the present invention,
The case where the drawing history registration terminal, the drawing history registration program and the terminal program, and the drawing history registration method are applied to the network system including the Internet 199 has been described. However, the present invention is not limited to this. It may be applied to a so-called intranet for performing. Of course, the present invention can be applied to not only a network that communicates in the same manner as the Internet 199 but also a normal network.

Further, in the above embodiment, the drawing history registration system, the drawing history reproducing system, and
Drawing history registration terminal, drawing history registration program and a program for the terminal, as well as drawing history registration method, as shown in FIG. 1, electrons participants in a plurality of venue H ₁ to H _n share the same drawing screen The present invention has been applied to the case of holding a conference, but the present invention is not limited to this and can be applied to other cases without departing from the gist of the present invention.

[Brief description of drawings]

FIG. 1 is a network connection diagram showing a configuration of a system to which the present invention is applied.

FIG. 2 is a schematic diagram showing a configuration of a screen device 100.

3 is a functional block diagram showing the configuration of the screen device 100. FIG.

FIG. 4 is a display screen showing a case of setting a venue location.

FIG. 5 is a flowchart showing a first drawing trajectory information registration request process.

FIG. 6 is a flowchart showing a second drawing trajectory information registration request process.

FIG. 7 is a flowchart showing a third drawing trajectory information registration request process.

FIG. 8 is a flowchart showing a first drawing history reproduction execution process.

FIG. 9 is a flowchart showing a second drawing history reproduction execution process.

10 is a functional block diagram showing the configuration of the electronic conference management server 200. FIG.

11 is a diagram showing a data structure of a drawing trajectory information registration table 400. FIG.

FIG. 12: Keywords using the screen 120,
It is a display screen which shows when inputting version information or a search key.

FIG. 13 is a display screen showing a case where a PDA 550 is used to enter a keyword, version information, or a search key.

FIG. 14 is a display screen showing a case of inputting creator information.

FIG. 15 is a display screen showing a case where a segmental drawing trajectory is acquired using the area-designating stylus pen 111.

FIG. 16 is a display screen showing a case where a segmental drawing trajectory is acquired according to a waiting time.

FIG. 17 is a display screen showing a case of acquiring a segmental drawing trajectory by using a grouping button 620.

[Explanation of symbols]

100 screen device 110 stylus pen 111 Stylus pen for specifying area 112 Writer Information Detection Unit 114 wireless communication unit 120 screen 130 Position detection sensor 132 Pen information acquisition unit 150 projector 154 Drawing trajectory information acquisition unit 156 Location information setting section 158 Time measurement section 160 Keyword input section 162 Version setting section 164 Search key input section 166 Drawing history reproduction execution unit 170 Projector 199 Internet 200 Electronic Conference Management Server 204 Drawing trajectory information registration DB 206 Drawing trajectory information registration unit 208 Drawing locus information search unit 400 Drawing trajectory information registration table 500 menu button 502,552 Input dialog 504,554 edit box 506,556 OK button 508,558 Character input area 550 PDA 600 Specified user menu 620 Collective button

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Claims (24)

[Claims] 1. A drawing operation input means for inputting a drawing operation for a predetermined drawing area, and a drawing locus for a drawing performed on the drawing area based on the drawing operation input by the drawing operation input means. Drawing locus information acquisition means for dividing each divided drawing locus as drawing locus information, drawing locus information storage means for storing the drawing locus information, and drawing locus acquired by the drawing locus information acquisition means A system for registering a drawing history for the drawing area, comprising a drawing track information registration unit for registering information in the drawing track information storage unit, wherein the situation, background or other environment when the divided drawing track is drawn. Environment specifying information input means for inputting environment specifying information for specifying the drawing trajectory information registering means, Drawing history registration system characterized by drawing the trajectory information, so as to register in the drawing track information storage means in association with the inputted environment identification information by the environment identification information input means and. 2. A drawing operation input means for inputting a drawing operation for a predetermined drawing area, and a drawing locus for a drawing performed on the drawing area based on the drawing operation input by the drawing operation input means. Drawing locus information acquisition means for dividing each divided drawing locus as drawing locus information, drawing locus information storage means for storing the drawing locus information, and drawing locus acquired by the drawing locus information acquisition means A system for registering a drawing history for the drawing area, comprising a drawing track information registration unit for registering information in the drawing track information storage unit, wherein the situation, background or other environment when the divided drawing track is drawn. Environment specifying information input means for inputting environment specifying information for specifying the drawing trajectory information registering means, Drawing history registration system, characterized in that the drawing trajectory information, so as to register the plurality of kinds of environment identification information and the drawing track information storage means in association with different entered in the environment identification information input means and. 3. The drawing history registration system according to claim 1, wherein the environment specifying information is drawing person information regarding a person who draws the segmented drawing locus. 4. The drawing history registration according to any one of claims 1 to 3, wherein the environment specifying information is drawing place information regarding a place where a person who draws the divided drawing locus is located at the time of drawing. system. 5. The drawing history registration system according to claim 1, wherein the environment specifying information is drawing time information regarding a time at which the segmented drawing trajectory is drawn. 6. The drawing history registration system according to claim 1, wherein the environment identification information is a keyword for the segmented drawing locus. 7. The drawing history registration system according to claim 1, wherein the environment specifying information is version information regarding a version set for the segmented drawing locus. 8. A system for communicatively connecting a screen device having a drawing screen capable of drawing by a drawing device and a drawing history registration terminal for registering a drawing history for the drawing screen to register and reproduce the drawing history. The screen device includes a drawing operation input means for inputting a drawing operation performed on the drawing screen by the drawing device, and a drawing operation for the drawing screen based on the drawing operation input by the drawing operation input means. And a drawing trajectory information acquisition unit that acquires the divided drawing trajectories as drawing trajectory information by dividing the drawing trajectory for each of the drawn drawings, and the drawing trajectory information acquired by the drawing trajectory information acquisition unit is described above. The drawing history registration terminal stores the drawing trajectory information. Drawing locus information storage means, a drawing locus information registration means for registering the drawing locus information in the drawing locus information storage means, and reproducing the drawing history based on the drawing locus information in the drawing locus information storage means. And a drawing history reproducing means, further comprising, as the system, environment specifying information input means for inputting environment specifying information for specifying a situation, background or other environment when the divided drawing trajectory is drawn, The drawing locus information registration means, when receiving the drawing locus information, registers the received drawing locus information in the drawing locus information storage means in association with the environment specifying information input by the environment specifying information input means. When the environment specifying information is given as a search key, the drawing history reproducing means obtains the drawing locus information that matches the given search key. Drawing history reproducing system characterized by being adapted to reproduce the drawing history based on the search, drawing track information retrieved by the search from among the broadcast storage means. 9. A system for communicatively connecting a screen device having a drawing screen which can be drawn by a drawing device and a drawing history registration terminal for registering a drawing history for the drawing screen to register and reproduce the drawing history. The screen device includes a drawing operation input means for inputting a drawing operation performed on the drawing screen by the drawing device, and a drawing operation for the drawing screen based on the drawing operation input by the drawing operation input means. And a drawing trajectory information acquisition unit that acquires the divided drawing trajectories as drawing trajectory information by dividing the drawing trajectory for each of the drawn drawings, and the drawing trajectory information acquired by the drawing trajectory information acquisition unit is described above. The drawing history registration terminal stores the drawing trajectory information. Drawing locus information storage means, a drawing locus information registration means for registering the drawing locus information in the drawing locus information storage means, and reproducing the drawing history based on the drawing locus information in the drawing locus information storage means. And a drawing history reproducing means, further comprising, as the system, environment specifying information input means for inputting environment specifying information for specifying a situation, background or other environment when the divided drawing trajectory is drawn, When the drawing locus information registration unit receives the drawing locus information, the drawing locus information storage unit associates the received drawing locus information with a plurality of different kinds of environment specifying information input by the environment specifying information input unit and stores the drawing locus information. When the environment specifying information is given as a search key, the drawing history reproducing means registers the drawing locus information that matches the given search key. Drawing history reproducing system characterized by being adapted to reproduce the drawing history based on the search, drawing track information retrieved by the search for arrangement in the drawing track information storage means. 10. The drawing history reproducing system according to claim 8, wherein the environment specifying information is drawing person information regarding a person who draws the segmented drawing locus. 11. The drawing history reproduction according to claim 8, wherein the environment specifying information is drawing place information regarding a place where a person who draws the divided drawing locus is located at the time of drawing. system. 12. The drawing history reproducing system according to claim 8, wherein the environment specifying information is drawing time information regarding a time at which the segmented drawing trajectory is drawn. 13. The drawing history reproducing system according to claim 8, wherein the environment specifying information is a keyword for the segmented drawing locus. 14. The drawing history reproducing system according to claim 8, wherein the environment specifying information is version information regarding a version set for the segmented drawing locus. 15. The drawing history reproduction means according to claim 8, wherein when the reproduction target area to be reproduced on the drawing screen is designated, the drawing history reproduction means draws the drawing trajectory information storage means. Search the trajectory information related to the segmental drawing trajectory drawn in the reproduction target area,
A drawing history reproducing system characterized in that the drawing history is reproduced on the basis of the drawing trajectory information found by the search. 16. The drawing history reproduction means according to claim 8, wherein when the drawing history reproducing means reproduces the drawing history, a plurality of divided drawing trajectories overlap each other. A drawing history reproduction system characterized in that the drawing history is reproduced in a display form in which objects are emphasized more than other divided drawing loci. 17. A terminal which is communicably connected to a screen device in the drawing history reproducing system according to claim 8, wherein the drawing trajectory information storage means stores the drawing trajectory information, and the drawing trajectory information storage means. And a drawing history reproducing means for reproducing the drawing history based on the drawing trajectory information of the drawing trajectory information storage means, and the drawing trajectory information registration means, When the drawing trajectory information is received, the received drawing trajectory information is registered in the drawing trajectory information storage means in association with the environment specifying information input by the environment specifying information input means, and the drawing history reproducing means, When the environment specifying information is given as the search key, the drawing locus information matching the given search key is searched from the drawing locus information storage means. Then, the drawing history registration terminal is adapted to reproduce the drawing history based on the drawing trajectory information retrieved by the search. 18. A terminal communicatively connected to a screen device in the drawing history reproduction system according to claim 9, wherein the drawing trajectory information storage means stores the drawing trajectory information, and the drawing trajectory information storage means. And a drawing history reproducing means for reproducing the drawing history based on the drawing trajectory information of the drawing trajectory information storage means, and the drawing trajectory information registration means, When the drawing locus information is received, the received drawing locus information is registered in the drawing locus information storage means in association with a plurality of different kinds of environment specifying information input by the environment specifying information input means, and the drawing history is stored. When the environment specifying information is given as a search key, the reproducing means stores the drawing locus information matching the given search key in the drawing locus information storage means. A drawing history registration terminal, characterized in that the drawing history is reproduced based on the drawing locus information searched out from the inside. 19. A program for registering a drawing history for a predetermined drawing area, the drawing operation input means for inputting a drawing operation for the drawing area, and the drawing area based on the drawing operation input by the drawing operation input means. Drawing locus information acquisition means for dividing the drawing locus into predetermined units for drawing performed on the drawing, and acquiring the divided drawing loci as drawing locus information, and the drawing locus information acquired by the drawing locus information acquiring means. Processing implemented as drawing trajectory information registration means to be registered in the information storage means, and environment specifying information input means for inputting environment specifying information for specifying the situation, background or other environment when the segmented drawing trajectory is drawn Is a program for causing a computer to execute, and the drawing trajectory information registration means acquires the drawing trajectory information acquisition means. And the drawing track information, drawing history registration program, characterized by being adapted to register the drawing track information storage means in association with the inputted environment identification information by the environment identification information input unit. 20. A program for registering a drawing history for a predetermined drawing area, the drawing area inputting means for inputting a drawing operation for the drawing area, and the drawing area based on the drawing operation input by the drawing operation input means. Drawing locus information acquisition means for dividing the drawing locus into predetermined units for drawing performed on the drawing, and acquiring the divided drawing loci as drawing locus information, and the drawing locus information acquired by the drawing locus information acquiring means. Processing implemented as drawing trajectory information registration means to be registered in the information storage means, and environment specifying information input means for inputting environment specifying information for specifying the situation, background or other environment when the segmented drawing trajectory is drawn Is a program for causing a computer to execute, and the drawing trajectory information registration means acquires the drawing trajectory information acquisition means. And the drawing track information, drawing history registration program, characterized in that is adapted to register in the drawing track information storage means in association with a plurality of kinds of environment identification information different entered in the environment identification information input unit. 21. A program to be executed by the drawing history registration terminal according to claim 17, which comprises a computer, the drawing trajectory information registering means for registering the drawing trajectory information in the drawing trajectory information storage means, and the rendering. It is a program for executing processing realized as a drawing history reproducing means for reproducing the drawing history based on the drawing trajectory information of the trajectory information storage means, wherein the drawing trajectory information registration means receives the drawing trajectory information. In this case, the received drawing trajectory information is registered in the drawing trajectory information storage means in association with the environment specifying information input by the environment specifying information input means, and the drawing history reproducing means uses the search key as the search key. , The drawing locus information matching the given search key is searched from the drawing locus information storage means, A program for a terminal, wherein the drawing history is reproduced based on the drawing trajectory information found by the search. 22. A program to be executed by the drawing history registration terminal according to claim 18, which comprises a computer, the drawing trajectory information registering means for registering the drawing trajectory information in the drawing trajectory information storage means, and the rendering. It is a program for executing processing realized as a drawing history reproducing means for reproducing the drawing history based on the drawing trajectory information of the trajectory information storage means, wherein the drawing trajectory information registration means receives the drawing trajectory information. In this case, the received drawing locus information is registered in the drawing locus information storage means in association with a plurality of different types of environment specifying information input by the environment specifying information input means, and the drawing history reproducing means sets the environment specifying information. When the information is given as the search key, the drawing locus information matching the given search key is stored in the drawing locus information storage means. The terminal program is characterized in that the drawing history is reproduced based on the drawing locus information retrieved by the search. 23. A drawing operation input step of inputting a drawing operation to a predetermined drawing area, and a drawing locus of a drawing performed on the drawing area based on the drawing operation input at the drawing operation input step is specified. A drawing trajectory information acquisition step of acquiring each of the divided drawing trajectories as drawing trajectory information divided into units, and a drawing trajectory information registration step of registering the drawing trajectory information acquired in the drawing trajectory information acquisition step in the drawing trajectory information storage means. A method of registering a drawing history for the drawing area, the environment specifying information input step of inputting environment specifying information for specifying a situation, background or other environment when the divided drawing trajectory is drawn. In the drawing trajectory information registration step, the drawing trajectory information acquired in the drawing trajectory information acquisition step is stored in the environment. Drawing history registration method and registers the drawing track information storage means in association with environment identification information input in the constant information input step. 24. A drawing operation input step of inputting a drawing operation to a predetermined drawing area, and a drawing locus of a drawing performed on the drawing area based on the drawing operation input in the drawing operation input step. A drawing locus information acquisition step of classifying each divided drawing locus as drawing locus information, and a drawing locus information registration step of registering the drawing locus information acquired in the drawing locus information acquiring step in the drawing locus information storage means. A method of registering a drawing history for the drawing area, the environment specifying information input step of inputting environment specifying information for specifying a situation, background or other environment when the divided drawing trajectory is drawn. In the drawing trajectory information registration step, the drawing trajectory information acquired in the drawing trajectory information acquisition step is stored in the environment. Drawing history registration method and registers the drawing track information storage means in association with a plurality of kinds of environment identification information different entered in constant information input step.