JPH10297166A - Electronic blackboard system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate an external printer by printing by utilizing the printer part of an electronic blackboard a composite data of a display data optically projected on the screen of the electronic blackboard and a read data read by a reading part and written on the screen. SOLUTION: The projection type projection device 30 operates to optically project a display data transferred from a personal computer 20 on the screen 11 of an electronic blackboard. On the screen 11, correction by handwriting with ink such as a marker can be effected, and the corrected content is read at the reading part by the intrinsic function of the electronic blackboard. The personal computer 20 works to superimpose and compose through the action of a CPU a display data being currently projected on a display memory and a handwritten data on the screen outputted from the electronic blackboard 10 and taken in the inputting memory. The composed data is print-recorded on a recording paper by a printer 40 through the outputting part of the printer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic blackboard system, and more particularly to an electronic blackboard system for reading characters and the like written on a screen with a marker and printing out the same on recording paper.

[0002]

2. Description of the Related Art On an electronic blackboard, characters are usually written by hand on a screen, but the characters are already printed or handwritten on paper, or data stored on a personal computer (personal computer) or various storage media, or If data and the like sent over a communication line or the like can be automatically enlarged and displayed on a screen, labor for handwriting will be saved and usability will be greatly improved.

Therefore, an electronic blackboard system for displaying external data on a screen (board) has been conventionally known (Japanese Patent Application Laid-Open No. 2-57054, Japanese Patent Application Laid-Open No. Sho 61-1986).
246829, JP-A-62-84652, JP-A-6-84652
2-101498 publications). For example, Japanese Unexamined Patent Publication
Japanese Patent No. 57,054 discloses a screen (board) having an image scanner for reading recorded image information, reducing and sending the image information, and a board ink head for outputting and recording the sent image information, a printer and an external storage device. A personal computer that connects a floppy disk device and a facsimile device and transmits and receives image information to and from the screen; the personal computer outputs and prints image information sent from the screen to a printer; The image information stored in the storage device and the floppy disk device or transmitted by the facsimile device, while the image information received by the facsimile device and the image information stored in the external storage device and the floppy disk device are displayed on the screen. Electronic blackboard system configuration for recording is disclosed by the board ink head I.

[0004]

However, in the above-described conventional electronic blackboard system, the electronic blackboard is provided with a board ink head or pen plotter for automatically printing external data on a screen. Since the equipment is for printing external data over the entire large screen surface, the mechanism and control method are complicated and costly, so that there is no product that can be actually sold.

[0005] The present invention has been made in view of the above points,
It is an object of the present invention to provide an electronic blackboard system capable of automatically and substantially printing on a screen without using a complicated mechanism or control method.

[0006]

In order to achieve the above object, the present invention provides an electronic blackboard for reading an image such as a character or the like written on a screen by a reading unit and outputting the image as data to an external device via an external output unit. And a projection-type projector device for optically projecting display data input from the outside onto the screen of the electronic blackboard, and outputting the display data to the projection-type projector device and reading data output from the electronic blackboard. And a printer that prints out the combined data from the information processing device on recording paper by superimposing and outputting the combined data with the display data.

According to the present invention, display data from an information processing device can be optically projected onto the screen of an electronic blackboard by a projection type projector device, and can be written on the screen of the electronic blackboard by handwriting or the like. The combined data can be automatically printed out on a recording paper by a printer.

[0008] The information processing apparatus according to the present invention is characterized in that the data superimposed and synthesized is output again as display data to the projection type projector apparatus.

Further, in the present invention, the electronic whiteboard further includes a printer section and a printer input interface section, and the information processing apparatus fetches the read data output from the external output section of the electronic whiteboard to obtain a projection type projector apparatus. After superimposing and synthesizing with the display data outputted to the printer, it is supplied to the printer unit via the printer input interface unit in the electronic blackboard, and the printer unit prints out the recording paper.

According to the present invention, the combined data of the display data optically projected on the screen of the electronic blackboard and the read data written on the screen read by the reading section is sent to the printer section of the electronic blackboard. Can be used for printing, so that an external printer can be eliminated.

[0011]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a substantial diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of the embodiment of the present invention. As shown in both figures, this embodiment includes an electronic whiteboard 10 having a printer unit 13, a personal computer (personal computer) 20 as an example of an information processing apparatus, a projection type projector 30, and a printer 40. The personal computer 20 is connected to the electronic blackboard 10, the projection type projector 30, and the printer 40 via cables.

As shown in FIG. 2, the electronic blackboard 10 has a screen 11, a reading unit 12, a printer unit 13, and an external output unit 14, and is connected to a personal computer 20 to transmit data stored in the personal computer 20 and the like. When the image is automatically displayed on the screen 11, printing is not performed by actually depositing ink on the screen 11.

However, since the screen 11 is originally a writable screen, it is possible to retouch the screen 11 with ink such as a marker. The printer unit 13 prints characters and the like on recording paper. The printer unit 13 is a heat-sensitive printer or the like, which has an inexpensive configuration completely different from a conventional board ink head or pen plotter for printing external data on the entire screen. is there.

The personal computer 20 includes a display memory 21, an input memory 22, a printer output unit 23, and a central processing unit (C).
The input memory 22 is connected to the external output unit 14 of the electronic whiteboard 10 via a cable, and the display memory 21 is connected to the projection type projector device 30 via a cable. The projection type projector device 30 is used as a unit instead of printing on the screen 11, and a liquid crystal projector device or the like is used.

Next, the operation of this embodiment will be described with reference to FIG.
It is explained together with. The personal computer 20 stores the display data in a storage device (not shown) or the like, develops the display data in the display memory 21 in a bitmap format, and transfers this to the projection-type project device 30. The projection type project device 30 optically projects the display data transferred from the personal computer 20 onto the screen 11 of the electronic blackboard 10.

On the other hand, the screen 11 can be rewritten by hand using ink such as a marker, and the retouched content is read by the reading unit 12 by the original function of the electronic blackboard. At the time of reading by the reading unit 12, the screen 11
Is rolled up, and only the ink portion on the screen is read by the reading unit 12 on the back of the screen. Therefore, the display data optically projected by the projection-type project device 30 is not read before the screen is rolled up. .

Further, the above read image (handwritten data)
Can be printed on the recording paper by the printer unit 13 provided in the electronic blackboard 10 itself. However, according to settings from an operation panel or the like (not shown), the input memory in the personal computer 20 connected to the outside by the external output unit 14 22.

In the personal computer 20, the display data on the display memory 21 currently being projected on the screen 11 and the handwritten data on the screen 11 output from the electronic whiteboard 10 and taken into the input memory 22 are transmitted to the CPU 25. Superimpose and combine by work. The synthesized data is output to the printer 40 connected to the personal computer 20 through the printer output unit 23, and is printed and recorded on the recording paper. The combined data can be transferred to the projection type projector device 30 again.

As described above, according to the present embodiment, except for the electronic blackboard 10, the personal computer 20, the projection-type project device 30, and the printer 40 are all inexpensive commercial products.
Is combined with the external data projected on the screen 11 to add a rewritten character or the like, and the printer 4
0 can be automatically output.

FIG. 3 is a block diagram showing another embodiment of the electronic blackboard system according to the present invention. 2, the same components as those in FIG. 2 are denoted by the same reference numerals. In another embodiment shown in FIG. 3, the independent printer 40 is stopped, a new printer input unit 15 having an interface function with an external device is provided in the electronic blackboard 10 ', and the electronic blackboard 10' itself has The feature is that the printer unit 13 is used.

In this embodiment, the projection type project device 30 optically projects the display data transferred from the personal computer 20 onto the screen 11 of the electronic blackboard 10 ', and writes the display data on the screen 11 with ink such as a marker. The content added in step 2 is read by the reading unit 12 by the original function of the electronic blackboard. The read data read by the reading unit 12 is output from the external output unit 14 of the electronic blackboard 10 ′ and taken into the personal computer 20.

The personal computer 20 superimposes and combines the read data with the display data output to the projection type project device 30, and combines the combined data with the printer input unit 1.
5, and is supplied to the printer unit 13 so that the printer unit 13 prints out the recording paper. Therefore, the printer unit 13
As a result, a composite image of the contents of the screen 11 handwritten with ink such as a marker and the display data transferred from the personal computer 20 projected on the screen 11 by the projection type project device 30 is printed and recorded on the recording paper. You. This embodiment has the same effect as the embodiment shown in FIGS.

As a modification of this embodiment, although not shown, it is also possible to incorporate the functions of a personal computer into the electronic blackboard.

[0024]

Next, an embodiment will be described. FIG. 4 shows a block diagram of one embodiment of the present invention. 2, the same components as those in FIG. 2 are denoted by the same reference numerals, and the description thereof will be omitted. 4, the electronic whiteboard system includes an electronic whiteboard 10 having an external output terminal, a notebook computer 28, a liquid crystal projector 35, and a printer 40.
The reading unit 12 of the electronic whiteboard 10 includes, for example, a one-dimensional reading sensor and a scanning mechanism that scans the reading sensor in the sub-scanning direction.

In this embodiment, a notebook personal computer 28 is used as the personal computer 20, and a liquid crystal projector 35 is used as the projection type projector 30, so that it is convenient to move the electronic blackboard to a small and lightweight place. There is an effect that there is.

The operation of this embodiment is basically the same as that of the operation of the embodiment, and will not be described. However, the operation of the CPU is actually controlled by software for the operation inside the personal computer.

[0027]

As described above, according to the present invention,
External data is displayed on the screen of the electronic blackboard by the projection type projector device, and the external data is combined with the handwritten contents of the electronic blackboard read by the reading unit in the electronic blackboard and printed out, so that it is compared with the conventional one. It is possible to construct a system with a configuration combining low-cost and commercially available products, and it is possible to commercialize products that can be actually sold.

According to the present invention, the display data projected on the screen of the electronic blackboard and the written data can be simultaneously printed out using the printer unit of the electronic blackboard, so that an external printer is not required. And a small and lightweight configuration can be obtained.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of an embodiment of the present invention.

FIG. 2 is a block diagram of one embodiment of the present invention.

FIG. 3 is a block diagram of another embodiment of the present invention.

FIG. 4 is a block diagram of one embodiment of the present invention.

[Explanation of symbols]

 10, 10 'Electronic blackboard 11 Screen 12 Reading unit 13 Printer unit 14 External output unit 15 Printer input unit 20 Personal computer (PC) 21 Display memory 22 Input memory 23 Printer output unit 25 Central processing unit (CPU) 30 Projection type Projector device 40 Printer

Claims (3)

[Claims] An electronic blackboard for reading an image such as a character written on a screen by a reading unit and outputting the read data as read data to an external device via an external output unit; A projection-type projector device that optically projects onto the screen of a blackboard, and outputs the display data to the projection-type projector device, captures the read data output from the electronic blackboard, and superimposes the display data. An electronic blackboard system, comprising: an information processing device for combining and outputting; and a printer for printing and outputting the combined data from the information processing device on recording paper. 2. The information processing apparatus according to claim 1, wherein the superimposed data is output to the projection-type projector again as the display data.
Electronic blackboard system described. 3. A reading unit for reading an image such as a character written on a screen, an external output unit for outputting a read image of the reading unit as read data, a printer unit, and a printer input interface unit. An electronic blackboard provided with: a projection-type projector device for optically projecting display data input from the outside onto a screen of the electronic blackboard; and outputting the display data to the projection-type projector device, The read data output from the external output unit of the electronic blackboard is taken in, superimposed and synthesized with the display data, supplied to the printer unit via the printer input interface unit, and printed on recording paper by the printer unit. An electronic blackboard system comprising: an information processing device for outputting.