JPH09277783A - Rewriting type electronic blackboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To erase instantly a data displayed on a screen and display a plurality of data combined freely on the screen. SOLUTION: A data read from a digitizer 2 into a computer 1 is input into a data processing section 9 on an electronic blackboard 3 and stored in a memory 4, and then projected on a screen 5 by a projector 6 in the form of overlapping characters, figures and the like written directly with ink or the like on the screen 5. On the other hand, the data written with ink or the like on the screen 5 is read by a scanner 7, and printed together with the data projected by the projector 6 on the memory 4 and printed by a printer 8 on the data processing section 9. The characters, figures and the like displayed on the screen 5 are erased instantly by clearing the content on the memory 4 by the above arrangement, and also a plurality of data are combined freely by overlapping a plurality of data all together on the memory 4 to display the characters, figures and the like on the screen 5.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an electronic blackboard,
In particular, it relates to an electronic blackboard that displays data input from a computer on a screen.

[0002]

2. Description of the Related Art Conventionally, an electronic blackboard of this type prints out the contents written in ink or the like on a screen from a printing unit according to an instruction from an operating unit. For example, Japanese Patent Laid-Open No. 4-368895. Proposes an electronic blackboard capable of displaying computer data prepared in advance on a screen.

FIG. 5 is a diagram for explaining the conventional electronic blackboard described in the above publication. FIG. 5A is a block diagram showing the configuration of this conventional electronic blackboard, and FIG.
FIG. 3 is a perspective view showing an external structure.

Referring to FIG. 5 (A), the conventional electronic blackboard disclosed in the above publication discloses a data reading section 52 for reading data from a computer 58 and a data converting section for converting the read data into characters and codes. 53, a printing unit 54 that prints out the converted characters and codes on the screen 55, and a screen 55 that prints out characters and codes. The data reading unit 52, the data conversion unit 53, and the printing unit. 54 is provided in the frame part of the electronic blackboard 51 to which the operation part 56 is attached as shown in FIG.

Under such a configuration, the data reading unit 52 reads data prepared in advance from the connected computer 58, the data conversion unit 53 converts the read data into characters and codes, and the printing unit. Reference numeral 54 prints the converted characters and codes on the screen 55 with ink or the like while scrolling the screen 55. The data in the process of being created or the final data written on the screen 55 can be printed out from the printing unit 57 as needed.

[0006]

However, in the conventional electronic blackboard described in the above publication, writing is performed using ink or the like by the printing unit, so that the characters, figures, etc. once displayed on the screen are instantaneously displayed. There is a problem that it cannot be erased.

Further, since the conventional electronic blackboard described in the above publication does not have a mechanism for combining data input from an information processing device such as a computer, the data input from an information processing device such as a computer can be freely used. There is a problem that it is not possible to display characters and figures on the screen in combination with.

Therefore, the present invention has been made in view of the above-mentioned problems, and digitizes all the processes until the data input from the information processing device such as a computer is displayed on the screen. It is an object of the present invention to provide a rewritable electronic blackboard on which data displayed above can be freely added, modified, erased, etc.

[0009]

In order to achieve the above-mentioned object, the present invention provides a projector for projecting predetermined data on a screen, and a scanner for reading data written by ink or the like on the screen. A printer for printing predetermined data, and output to the projector the data input from the information processing device, and to the printer the data input from the information processing device and the data read by the scanner. A rewritable electronic blackboard provided with a data processing means for outputting.

Further, in the rewritable type electronic blackboard of the present invention, the data processing means stores the data input from the information processing apparatus and / or the data read by the scanner in the storage means, and if necessary, It is characterized in that a plurality of data stored in the storage means are combined and output to the projector.

With such a configuration, according to the rewritable electronic blackboard of the present invention, the data input from the information processing device such as a computer is projected on the screen by the projector. Therefore, the characters and figures displayed on the screen can be instantly erased only by canceling the projected data.

Further, according to the rewritable electronic blackboard of the present invention, a storage means such as a memory is provided inside the main body, and the data to be displayed on the screen is stored in this storage means. Therefore, it is possible to freely combine a plurality of data input up to a certain point and display a character, a graphic, or the like on the screen.

[0013]

Next, embodiments of the present invention will be described with reference to the drawings.

Referring to FIGS. 1 and 2, in the best mode for carrying out the invention, the electronic blackboard 3 connected to the computer 1 which is an information processing device is a memory which is a storage means for accumulating data. 4, a screen 5, a projector 6 for projecting predetermined data on the screen 5, a scanner 7 for reading data written in ink or the like on the screen 5, and a printer 8 for printing the predetermined data. And a data processing unit 9 that processes data read from the computer 1 and / or the scanner 7 and outputs the data from the projector 6 and / or the printer 8.
And The electronic blackboard 3 has an interface for inputting data from the computer 1, and can read data read from the digitizer 2 or the like connected to the computer 1 via the data processing unit 9.

Next, the operation of the embodiment of the present invention will be described. Referring to FIG. 2, the data read from the digitizer 2 or the like into the computer 1 is input to the data processing unit 9 of the electronic blackboard 3, accumulated in the memory 4, and projected onto the screen 5 by the projector 6. At this time, if there are characters or figures already written directly on the screen 5 with ink or the like, these characters or figures and the projection by the projector 6 are displayed in an overlapping manner.

Data written on the screen 5 with ink or the like is read by the scanner 7 and printed by the printer 8 via the data processing unit 9 as necessary. At this time, it is confirmed whether or not the data projected by the projector 6 exists in the memory 4. If the data exists, the data projected by the projector 6 and the screen 5 are directly written with ink or the like. The printer 8 prints the superimposed data.

According to the embodiment of the present invention, the data processing unit 9 cancels (clears) the contents of the memory 4 so that the characters, graphics, etc. projected by the projector 6 are instantly erased. You can

Further, according to the embodiment of the present invention, the data read from the computer 1 to the data processing unit 9 a plurality of times and the data read by the scanner 7 are accumulated in the memory 4 as needed. The data stored in the memory 4 by the data processing unit 9 can be freely combined to display characters and figures on the screen 5 by the projector 6.

[0019]

Next, in order to more specifically describe the above-described embodiment of the present invention, an embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing the external structure of one embodiment of the rewritable electronic blackboard of the present invention. Also, FIG.
It is a block diagram which shows the structure of one Example of the rewritable electronic blackboard of this invention. Referring to FIGS. 1 and 2, the electronic blackboard 3 is provided with a screen 5 on a front surface of a main body thereof, and a projector 6 and a scanner 7 are respectively provided with the screen 5.
It is attached at a position where predetermined image data can be projected on the screen, and at a position where characters or figures directly written on the screen 5 with ink or the like can be read as image data. Further, on the electronic blackboard 3, image data such as characters and figures written directly on the screen 5 with ink or the like and / or image data such as characters and figures projected by the projector 6 is recorded on a recording medium such as paper. A printer 8 for printing on is attached. It should be noted that the frame portion of the electronic blackboard 3 to which the operation unit is attached is provided with a data processing unit 9 that processes data input from the computer 1 and / or data read from the scanner 7, and a data processing unit 9 A memory 4 for accumulating the received data.

The electronic blackboard 3 is also connected to the computer 1 via a cable or the like, and the data input from the computer 1 can be read into the data processing unit 9. The computer 1 includes a digitizer 2 as a peripheral device, and uses an application or the like on the computer 1 to create image data to be input to the electronic blackboard 3 by an operator or the like. Image data to be input can be created by reading figures and the like.

Next, the operation of this embodiment will be described.
FIG. 3 is a diagram for explaining the operation of one embodiment of the rewritable electronic blackboard of the present invention.

2 and 3, the data read from the digitizer 2 to the computer 1 is input to the data processing unit 9 of the electronic blackboard 3 and stored in the "address 0" to "address n" of the memory 4. To be done. In FIG. 3, a figure of "circle (○)" is stored in "address 0", a figure of "cross mark (x)" is stored in "address 1", and a "square (□)" is stored in "address 2". Is stored.

The contents stored in each address of the memory 4 can be projected on the screen 5 by the projector 6 by freely combining or deleting them. Further, when there are characters, figures, etc. already written directly on the screen 5 with ink or the like, these characters, figures, etc. are superimposed and displayed.

For example, in FIG. 3, the figure of the "cross mark (x)" stored in the "address 1" and the figure of the "square" (□) stored in the "address 2" are superimposed. When the image data is displayed on the screen 5 by the projector 6 and displayed, or when the figure of “triangle (Δ)” is already written on the screen 5 with ink or the like, it is stored in “address 0”. A case is shown in which the figure of the circle (o) that is present is projected on the screen 5 by the projector 6 and the superposition of the two is displayed.

When a character or figure written in ink or the like on the screen 5 is read by the scanner 7 and printed by the printer 8, the character or figure stored in the memory 4 projected by the projector 6 is projected. Etc. are also printed at the same time.

Although one embodiment of the present invention has been described above, the present invention is not limited to such an embodiment and includes various embodiments according to the principle of the present invention.

For example, in the above-mentioned embodiment, the data is input from the computer 1 to the electronic blackboard 3, but
As a device for inputting data, other than the computer, various information processing devices such as another electronic blackboard and a scanner can be used as shown in FIG.

Further, in the above-mentioned embodiment, the screen 5
Image data such as characters and figures directly written on the ink and / or image data such as characters and figures projected by the projector 6 is printed from the printer 8 onto a recording medium such as paper. However, the image data may be input as it is to another computer or an electronic blackboard.

[0030]

As described above, according to the present invention,
Since the data input from the information processing device is projected onto the screen by the projector, the contents displayed on the screen can be instantly erased by only canceling the projected data. As a result, for example, it becomes possible to freely cancel the memo writing or the like that is input in advance from the information processing device.

Further, according to the present invention, since a plurality of areas are provided on the storage means and the data stored in these areas can be superimposed on the storage means and projected by the projector, a plurality of images can be freely displayed. Can be combined with and displayed on the screen.

[Brief description of drawings]

FIG. 1 is a perspective view showing an external structure of an embodiment of a rewritable electronic blackboard of the present invention.

FIG. 2 is a block diagram showing the configuration of an embodiment of the rewritable electronic blackboard of the present invention.

FIG. 3 is a diagram for explaining the operation of one embodiment of the rewritable electronic blackboard of the present invention.

FIG. 4 is a perspective view showing the external structure of another embodiment of the rewritable electronic blackboard of the present invention.

FIG. 5 is a diagram for explaining a conventional electronic blackboard (Japanese Patent Laid-Open No. 4-368895). FIG. 1A is a block diagram showing a configuration of an electronic blackboard, and FIG. 1B is a perspective view showing an external structure of the electronic blackboard.

[Explanation of symbols]

 1 Computer 2 Digitizer 3 Electronic Blackboard (Main Body) 4 Memory 5 Screen 6 Projector 7 Scanner 8 Printer 9 Data Processing Section 51 Electronic Blackboard (Main Body) 52 Data Reading Section 53 Data Conversion Section 54 Printing Section 55 Screen 56 Operating Section 57 Printing Section

Claims (2)

[Claims] 1. A projector for projecting predetermined data on a screen, a scanner for reading data written in ink or the like on the screen, a printer for printing predetermined data, and an information processing device. A data processing unit that outputs the input data to the projector and outputs the data input from the information processing device and the data read by the scanner to the printer. Type electronic blackboard. 2. The data processing means stores the data input from the information processing apparatus and / or the data read by the scanner in a storage means, and stores a plurality of data stored in the storage means as needed. The rewritable electronic blackboard according to claim 1, wherein the data is combined and output to the projector.