JPS62102268A - Electronic blackboard - Google Patents

Abstract

PURPOSE:To display various information together with hand-written information by recording input information such as characters and graphic on a blackboard recording body based on an electrophotographing system. CONSTITUTION:The blackboard recording body 9 in the electronic blackboard device is laid over driving rollers 10, 11 and vartically carried. Input information such as characters and graphics is inputted to an input device consisting of a prescribed image sensor or keyboard. The latent image of the input information is formed by a blackboard information recording part 3 constituted of the normal electrophotographing system and visualized on a blackboard display plane 9'. On the other hand, hand-written information is written in the recording body 9, and when required, the contents are printed out through a reading part 4. Thereby, various information can be displayed in addition to the ordinary hand-written information and the device can be used for many purposes.

Description

[Detailed description of the invention] <Industrial application field> The present invention relates to a multifunctional electronic blackboard.

<Prior Art> Conventional electronic blackboards are equipped with a printer that reads characters, figures, etc. written on the blackboard and records them on paper.

<Problems to be solved by the invention> Conventionally, information written on a blackboard can be printed on paper, but for example, information written on paper cannot be displayed on a blackboard; All information had to be written by hand on the blackboard.

For this reason, the functions of the electronic blackboard are limited, making it inconvenient to use.

Means for Solving Problems〉 The electronic blackboard according to the present invention includes an information input means for inputting information such as characters and figures, and information inputted by the information input means is recorded on the blackboard by an electrophotographic method. An information recording means for recording, an information reading means for reading both the information recorded on the blackboard recording body and information written by hand, and a printer for recording the information read by the information reading means on paper. It is characterized by being equipped.

<Example> FIG. 1 shows the basic configuration of the electronic whiteboard of this embodiment.

The input device 1 consists of an image scanner, a tablet, a keyboard, etc. used for inputting information such as characters and figures, and either inputs inputted characters or figures as image information as is, or is equipped with a recognition device to input characters, figures, etc. as image information. Recognize and input figures, sounds, etc. The communication network interface 2 inputs information received from an external information processing device or a remote location via a communication line, and
The information to be transmitted is sent from this electronic blackboard.

The blackboard information recording unit 3 records information input from the input device 1 or the communication network interface 2 on a blackboard recorder (described later) using an electrophotographic method, and visualizes and displays the information.

The blackboard information reading section 4 includes an image sensor that reads both the information recorded on the blackboard recording body by the blackboard information recording section 3 and the information written by hand on the blackboard recording body. The printer 5 prints the information read by the blackboard information reading section 4 on paper.

The memory 6 stores information that needs to be saved among the information read by the blackboard information reading section 4. The operation section 7 performs operations on this electronic blackboard. Control unit 8
In response to operations from the operating unit 7, the electronic blackboard is controlled as a whole, including image processing, editing processing, and language processing for information input from the input device 1 or the communication network interface 2.

A series of operations of the electronic whiteboard configured as described above will be explained.

Information such as characters and figures inputted from the input device 1 or the communication network interface 2 is recorded and displayed on a blackboard recording body by the blackboard information recording section 3.

In this case, the input information is displayed as image information on the blackboard recorder, or after recognition, beautiful characters and figures generated from a character generator or a figure generator are displayed on the blackboard recorder. Furthermore, the input information is displayed on the blackboard recorder after being subjected to image processing, editing processing, or language processing. In addition to this input information, information is written on the blackboard recorder by hand with a felt marker or the like. When the recording and writing of information is completed, the information on the blackboard recording body is read by the blackboard information reading section 4. The read information is sent to the control unit 8, printed on paper by the printer 5, or sent to a remote location via the communication network interface 2. Also,
Information that needs to be saved is stored in the memory 6 or in an auxiliary storage device such as a floppy disk (not shown).
is stored in

FIG. 2 shows the basic structure of the blackboard recording body, the blackboard information recording section 3, and the blackboard information reading section 4.

The blackboard recording material 9 is in the form of a belt having a predetermined width, and is endlessly wound and stretched by two drive rollers 10 and 11, and is fed in the vertical direction.

The outer surface of the blackboard recording body 9 forms a blackboard display surface 9' on which information is recorded and written.

Information is displayed on the blackboard display surface 9' on the left side of the figure.

The blackboard information recording section 3 is arranged near the lower drive roller 10. The blackboard information recording section 3 is composed of a static eliminating corona charger 12, a cleaning section 13, a charging corona charger 14, an optical recording section 15, and a developing section 16. The optical recording section 15 is given information to be recorded from the control section 8 . This blackboard information recording section 3 will be explained in detail later.

The blackboard information reading section 4 is arranged on the right side of the blackboard recording body 9 in the figure. The blackboard information reading section 4 includes a reading light source section 17 that irradiates light onto the blackboard display surface 9', a mirror 18 that changes the optical path of reflected light according to information read on the blackboard display surface 9',
It is composed of a lens 19 that focuses the reflected light from the mirror 18 and an image sensor 2° that reads the optical signal focused by the lens 19. Information read by the image sensor 2o is sent to the control unit 8.

FIG. 3 shows a detailed configuration of the blackboard information recording section 3.

This blackboard information recording section 3 uses electrophotography to directly record information on the blackboard display surface 9'. In this case, the blackboard display surface 9' of the blackboard recording body 9 must have a two-layer structure in which a photoconductor layer is formed on the front surface and a low resistance layer is formed on the back surface thereof.

The operation is similar to that of a normal electrophotographic method, and the toner on the blackboard display surface 9' that has been neutralized by the static elimination charger 12 is removed from the blackboard display surface 9' by the cleaning section 13.
The blackboard display surface 9' after cleaning is uniformly charged by the charger 14. And optical recording section 1
5, an electrostatic latent image is formed on the blackboard display surface 9' according to the information given from the control section 8 (FIG. 2), and this electrostatic latent image is made visible by toner in the developing section 16. be done.

The blackboard display surface 9' on which information has been recorded is sent upward,
Information is displayed. Although not shown, the process from the charger 14 to the developing section 16 is performed in a state where external light is blocked.

FIG. 4 shows another embodiment of the blackboard information recording section 3.

In this embodiment, a toner transfer method is used that does not directly record on the blackboard display surface 9'. A photosensitive drum 21 whose surface has a two-layer structure of a photoconductor layer and a low resistance layer is connected to the lower drive roller 1.
The photosensitive drum 21 is rotatably arranged in contact with the blackboard display surface 9' on the photosensitive drum 21, and around the photosensitive drum 21 are a static eliminator 22, a cleaning part 23, a uniform charging part 14, and an optical recording part 15.
A developing section 16 is also arranged, and a static elimination charger 12 and a cleaning section 13 are further arranged along the blackboard display surface 9'. In this case, the photosensitive drum 2 is
An electrostatic latent image is formed on the blackboard display surface 9', and through the process of adhering toner to the photosensitive drum 21 and transferring the toner to the blackboard display surface 9' that rotates in contact with it, information becomes a visible image on the blackboard display surface 9'. recorded. In this case, the blackboard recording body 9 may be made of a dielectric film capable of toner transfer.

5 to 7 show specific examples of the optical recording section 15. The optical recording section 15' in FIG. 5 is selected depending on the information to be recorded by the liquid crystal shack 25 using the light from the light source 26. rod lens array 2.
4 to form an image on the photosensitive drum 21. The optical recording section 15'' shown in FIG.
image on 1. The optical recording section 15'' in FIG.
A laser beam oscillated by a laser 31 in accordance with recording information is focused by a lens 30 and further scanned by a rotating polygon mirror 28 which is rotationally driven by a drive motor 29 to generate a photosensitive drum 2.
image on 1.

As the developing section 16 in the blackboard information recording section 3, one of the same type as a one-component or two-component developing device used in an ordinary copying machine can be used.

In the electronic blackboard of this embodiment, for example, the display screen size of the blackboard display surface 9' is approximately 9001 mm x 1200 m, the resolution of the information reading section 4 is 8 dots/fl, and the recording density of the blackboard display surface 9' is 2 dots. /Tsuru (dot diameter 0.5 tx), the A4 size (210 cranes x 297 cranes) manuscript and the display screen of the blackboard display surface 9' can correspond one to one.

<Effects of the Invention> As explained above, in the present invention, information such as characters and figures inputted by an input device is recorded on the blackboard recording medium by electrophotography, so that the information on the paper is recorded on the blackboard. It is possible to display information written on computers, tablets, etc., information from external information processing devices, and even information transmitted via communication lines, along with handwritten information.
The functionality of the electronic whiteboard can be improved. As a result, it is possible to perform a variety of tasks, such as inputting lines, displaying them on a blackboard, and writing text on them, or inputting and displaying materials that have already been prepared at a meeting, and making corrections while explaining them. How to use it becomes possible. Furthermore, by adding image processing, editing processing, language processing, etc. to input information, formal documents and drawings can be created while discussing on a blackboard during a meeting.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the basic configuration of an embodiment of the present invention, FIG. 2 is a diagram showing a partial structure of the embodiment of the present invention, and FIGS.
The figure shows the configuration of the blackboard information recording section according to the embodiment of the present invention, and FIGS. 5, 6, and 7 are diagrams showing the configuration of the optical recording section according to the embodiment of the present invention. 1... Human power device 2... Communication network interface 3... Blackboard information recording section 4... Blackboard information reading section 5... Printer 6... Memory 7... Operation section 8... Control Part 9...Blackboard record

Claims (3)

[Claims] (1) Information input means for inputting information such as characters and figures;
an information recording means for recording the information inputted by the information input means on a blackboard recording body using an electrophotographic method; and an information reading means for reading both the information recorded on the blackboard recording body and the information written by hand. An electronic blackboard comprising: a printer for recording information read by the information reading means on paper. (2) The electronic whiteboard according to claim 1, further comprising information processing means for performing image processing and editing processing on the information input by the information input means. (3) The electronic whiteboard according to claims 1 and 2, further comprising language processing means for performing language processing on the information input by the information input means.