JPH111092A - Electronic black board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a fair copy of a character written freely and to distribute the content thereof easily and quickly by a method wherein the content described on a board is subjected to character recognition and converted into a character code of a small data size and this character code is made transmittable to a personal computer or the like. SOLUTION: A content described on a board 20 is subjected to character recognition and the one which can be recognized as a character is transferred as a character code of a small data size. The board 20 can read a written character and others and change them into electric signals and the board prepared by overlaying a transparent touch panel on a liquid crystal display panel, or the like, can be used, for instance. A RAM 30 stores the character code resulting from the character recognition of character image data inputted from the board 20, while a mail transfer processing program 43 stored in ROM 40 transfers the content stored in a board display buffer 34 to an external personal computer as an electronic mail.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic blackboard.

[0002]

2. Description of the Related Art As a conventional electronic blackboard, a type in which characters written on a board are directly printed out on paper is known. In addition, there is also known one configured so that document data can be transferred between an external device such as a personal computer (hereinafter, referred to as a personal computer) and an electronic blackboard.

[0003]

However, in the above-mentioned conventional electronic blackboard, there is a problem that the paper stored in the electronic blackboard is exhausted, and when a paper jam or the like occurs, printing cannot be performed well. .

[0004] Further, a configuration in which data on an external device such as a personal computer is transferred to an electronic blackboard and displayed on the board of the electronic blackboard is good for presentations and presentations. I could not write freely.

Further, even in a configuration in which characters written on an electronic blackboard can be transmitted as image data to an external device such as a personal computer, the transmitted data is image data such as a bit map. Even if compression is performed on vector data or the like, since the data capacity is still large, there has been a problem that the transmission / reception time is long.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and allows a character to be freely written like a normal blackboard, and allows the character to be neatly and clearly written. Record, etc.) can be provided easily and quickly.

[0007]

In order to achieve this object, an electronic blackboard according to a first aspect of the present invention includes a board for inputting characters and the like, and a character recognition for input to the board. , An address storage means for storing a name or address for specifying an external device as a transfer destination of a character or the like recognized by the recognition means, and a transfer destination stored in the address storage means. And character code transfer means for transferring the recognized character character.

In the electronic blackboard of the present invention having the above-mentioned structure, when a character or the like is inputted from the board, the recognizing means recognizes the inputted character or the like and the address storage means is recognized by the recognizing means. A character code transfer unit stores a name or address or the like that specifies an external device such as a personal computer to which a character character or the like is transferred, and the character code transfer unit recognizes the transfer destination of the address stored in the address storage unit. Transfer character characters etc.

According to a second aspect of the present invention, in addition to the first aspect of the present invention, the electronic blackboard further includes a display unit for displaying a character character recognized by the recognition unit.

In the electronic blackboard of the present invention having the above structure, when a character or the like is input from the board, the recognizing means recognizes the input character or the like, and the display means recognizes the input character or the like. A character character is displayed, and the address storage unit stores a name or an address that specifies an external device such as a personal computer to which the character character or the like recognized by the recognition unit is transferred. The recognized character or the like is transferred to a transfer destination of the address stored in the address storage means.

According to a third aspect of the present invention, there is provided the electronic whiteboard according to the first or second aspect, further comprising: a recognition determining unit configured to determine whether an input from the board is recognizable by the character recognition unit; Image data transfer means for transferring, as image data, an input to the board determined to be unrecognizable by the recognition determination means to a transfer destination stored in the address storage means. .

In the electronic blackboard of the present invention having the above-mentioned configuration, the image data transfer means transfers, to the transfer destination, characters and the like input to the board, which cannot be recognized by the recognition means, as image data. I do.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a circuit block diagram showing an outline of a circuit configuration of an electronic blackboard according to the present embodiment.

As shown in FIG. 1, the electronic blackboard includes a board 20 also serving as a display means, a CPU 10 for controlling the entire electronic blackboard, a RAM 30 that is a readable and writable memory, and a read-only memory. And a ROM 40 for storing each means of the present invention, such as a recognition means, a character code transfer means, a recognition determination means, and an image data transfer means, in the form of a program executable by the CPU 10.

The board 20 is configured to read written characters and the like and convert them into electrical signals, and to display character data received from an external device such as a personal computer. For example, a liquid crystal display panel with a transparent touch panel overlaid thereon can be used.

The RAM 30 includes a handwritten character image storage area 31 for storing character image data input from the board 20, a recognition character storage area 32 for storing a character code resulting from character recognition from the image data, and a board 20. An address storage area 33 serving as an address storage means for storing an address to which the contents are transferred, and a board display buffer 35 for storing the contents to be displayed on the board 20.

The ROM 40 is a program for determining whether or not the character image data stored in the handwritten character image storage area 31 is capable of character recognition. A character recognition processing program 41 as a recognition determination means, a recognition dictionary 42 referred to by the character recognition program, and a character code transfer means for transferring the contents stored in the board display buffer 34 to an external personal computer as an electronic mail And a mail transfer processing program 43 as image data transfer means, and an address registration for newly registering an address of a personal computer connected to the electronic blackboard in the address storage area 33 or deleting an already registered address. Deletion processing program 44 and its address registration deletion processing program 44 Address for displaying a list of registered address of the personal computer was a list display processing program 45
And are stored.

Next, the operation of the electronic blackboard in this embodiment will be described with reference to the flowchart shown in FIG.

First, step 21 (hereinafter, step is referred to as S
In S22, whether the mail list button (not shown) has been pressed or the end button (not shown) has been pressed,
Or it is determined whether characters are written on the board,
When the mail list button is pressed, the process proceeds to S27, when the end button is pressed, the process ends, and when characters are written on the board 20, the process proceeds to S23.

When a character is written on the board 20, S21
Is determined as No, and S22 is also determined as No. In S23, the image data of the character written on the board 20 is input and stored in the handwritten character image storage area 31 of FIG.

Next, the image data is recognized by the character recognition program 41. If the characters input to the board 20 and the like are successfully recognized, it is determined as Yes in S24, and the process proceeds to S25. In S25, the recognized character code is stored in the recognized character storage area 32, the code is transferred to the board display buffer 34, and the character is displayed on the board 20.

If the character recognition has not been properly performed, it is determined as No in S24, and the process proceeds to S26, in which the input character image is directly transferred to the board display buffer, and the handwritten image is transferred to the board 20. Will be displayed.

Here, whether or not the character recognition by the character recognition program 41 is possible depends on the certainty of the character recognized by the character recognition processing program 41. That is, when a character written on the board 20 is pattern-matched with the character recognition dictionary 42, the distance between the character and the character included in the character recognition dictionary 42 is calculated. Not allowed.

When these processes are completed, S21, S
At 22, a process is performed to determine whether the mail list button has been pressed or the end button has been pressed.

In the processing of S21 and S22, if the mail list button is pressed, the process proceeds to S27,
Perform address list display processing. Here, the mail addresses stored in the address storage area 33 are displayed on the board 20, as shown in FIG.

Next, S28, S30, S32 and S34
, The user selects whether to transfer the contents of the board by mail, register a new address, delete the registered address, or return to the blackboard display.

When the mail transfer button is pressed, S28
Is determined to be Yes, the process proceeds to S29, and the content of the blackboard is transferred as an e-mail to the address stored in the address storage area 33.

When the register button is pressed, N is determined in S28.
o, Yes is determined in S29, and the process proceeds to the address registration process in S31. Here, as shown in FIG. 3, when an address to be registered is entered in the registration field B with an input pen (not shown), a new address is registered.

When the delete button is pressed, S28
No in S29, No in S29, Yes in S32, S
33 address deletion processing is performed. Here, for example, FIG.
In the address displayed in the above, the address of the portion A shaded is deleted. That is,
From the address storage area 33, the address (in this case, s
atou @ brother. co. jp) are deleted.

If the end button is pressed while the address list is displayed in S27, No in S28, S30
No, S32 is No, S34 is Yes, S2
The state returns to 1 and the character can be written on the board 20 again.

If the electronic blackboard having the above configuration is used, for example,
If a person who attends the meeting attends, registering the person's e-mail address allows you to check the details decided at the meeting by their own e-mails, and the individual can check and decide later. It is easy to record matters.

Further, the date and time of the meeting and the location of the meeting can be easily distributed by e-mail from the electronic blackboard to a person whose address is registered in advance as a guide.

According to the electronic blackboard of the present embodiment, the contents described on the board 20 are subjected to character recognition, and the characters which can be recognized are transferred as character character codes having a small data size. Is transferred as image data, so that the contents written on the electronic blackboard can be distributed efficiently.

[0035]

As is apparent from the above description, according to the electronic blackboard according to the first aspect of the present invention, the contents described on the board are recognized by characters and converted into character character codes having a small data size. After conversion, this character code can be sent to an external device such as a personal computer.
It is possible to provide an electronic blackboard in which characters can be freely written like a normal blackboard, the characters can be neatly copied, and the contents (minutes, etc.) can be distributed easily and quickly.

According to the electronic blackboard of the second aspect, the display means for displaying the result of character recognition is provided, so that the user can easily confirm whether or not the character recognition has been successfully performed. And input from an external device can be displayed.

Further, according to the electronic blackboard according to the third aspect, since the character recognizable one is transferred as a character code and the other one is transferred as image data, the data is written on the electronic blackboard with high transfer efficiency. Content can be distributed.

[Brief description of the drawings]

FIG. 1 is a block diagram schematically showing an electronic blackboard according to an embodiment of the present invention.

FIG. 2 is a flowchart for explaining the operation of the electronic blackboard.

FIG. 3 is a diagram illustrating an example of display on the electronic blackboard.

FIG. 4 is a diagram showing another example of display on the electronic blackboard.

[Explanation of symbols]

 20 board 41 character recognition processing program 43 mail transfer processing program

Claims (3)

[Claims] 1. A board for inputting characters and the like, a recognition unit for performing character recognition on the input to the board, and an external device to which a character or the like recognized by the recognition unit is transferred are specified. Addressing means for storing a name or address to be stored, and character code transfer means for transferring the recognized character character to a transfer destination stored in the address storage means. blackboard. 2. The electronic blackboard according to claim 1, further comprising display means for displaying a character character recognized by said recognition means. 3. A recognition determining means for determining whether or not an input from the board is recognizable by the character recognizing means, and an input to the board determined to be unrecognizable by the recognition determining means is stored in the address storage. 3. The electronic blackboard according to claim 1, further comprising: image data transfer means for transferring image data to a transfer destination stored in the means.