JPH1159066A - Writing board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To curtail the consumption of electric power in a writing board such as an electronic black board in which the writing surface of a black board main body is lined with a back plate and the writing surface is used for writing. SOLUTION: In a black board main body 10, a transparent writing sheet 13 is spread between right and left rollers which are supported by a base frame. The front side of the sheet 13 is lined with a back plate 20, part of the sheet 13 is exposed to the outside from a front window 12a, and a writing surface P is formed the part. On the front of the back plate 20 is applied a luminescent material 30 of a fluorescent coating for a back light, and the luminescent material 30 is protected by being coated with a transparent coating material 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic blackboard, a whiteboard, or the like, for example, in which a sheet backed by a back plate is exposed from the front window of a board body to form a writing surface. The present invention relates to a writing board for writing using a writing instrument such as a pen.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 5, for example, a rectangular front window 1a is provided on a board main body 1 in various whiteboards, and the front window 1a is backed by a back plate 2 for writing. There is one in which a sheet 3 is exposed to the outside and a writing surface P is formed on the front side thereof.

[0003] In such a whiteboard, when an image is projected onto a writing surface P using, for example, an overhead projector (OHP) while writing is performed on a writing surface P using a writing implement at a meeting or the like, and used. There is. In that case, it is troublesome to turn off and on the lighting switch to darken the room each time the OHP is used.

[0004] Therefore, in the whiteboard described above,
While the writing sheet 3 is formed of a single transparent sheet, the back plate 2 is formed by sandwiching the light emitting sheet 6 between the front and rear transparent electrode sheets 4 and the metal electrode sheet 5 as shown in FIG. The light emitting sheet 6 emits light when an AC voltage is applied between 5 EL devices (electroluminescence) boards for backlight.

When writing is performed on the writing surface P after using the OHP, an appropriate switch for the backlight is operated to energize the back plate 3, and the light emitting sheet 6 emits light to illuminate the writing surface P. Writing was possible even when the room was dark.

[0006]

However, in such a conventional device, since an EL boat is used as the back plate 2, power is consumed when the back plate 2 is used as a backlight, and the cost is accordingly reduced. There was a problem of extra cost.

[0007]

Therefore, according to the first aspect of the present invention, a writing instrument is provided on a writing surface P backed by a back plate 20, for example, as shown in the following embodiments shown in FIGS. In a writing board for performing writing by using the writing board, the writing surface P is formed of a light transmitting member, and the back plate 20 is provided with a light emitting material 30 for backlight.

When the room is darkened during use,
The light emitting material 30 of the back plate 20 emits light to illuminate the writing surface P.

According to a second aspect of the present invention, in the lighting board according to the first aspect, for example, as in the embodiment shown in FIG. The luminescent material 30 is used as a transparent
Characterized by being covered by

According to a third aspect of the present invention, in the lighting board according to the first aspect, for example, as in the embodiment shown in FIG. The light-emitting material 30 is provided on the back surface of the light-emitting device 20, and the light-emitting material 30 is covered with a coating material 31.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 3 is an external perspective view of an electronic blackboard according to an embodiment of the present invention.
FIG. 2 is a schematic configuration diagram showing an outline of the internal mechanism as viewed from above.

As shown in FIG. 3, the electronic blackboard has a rectangular flat blackboard main body 10 that stands upright and is movably supported by a stand 11 with casters.

The blackboard main body 10 has a front window 12 in front of FIG.
An outer frame case 12 having an opening a is provided. A part of a writing sheet 13 to be described later faces from the front window 12a, and a writing surface P is formed there.

The blackboard main body 10 includes an outer frame case 12.
Operation panel 14 having a copy switch or the like on one side edge thereof
And an elongated pen tray 15 is provided along the lower edge of the outer frame case 12. Further, a printer 16 is attached to the lower right side of the blackboard main body 10.

As shown in FIG. 4, a drive roller 17 and a driven roller 18 are provided upright on the right and left sides of the blackboard main body 10, and the roller shafts are rotatably supported by upper and lower frames (not shown). I do. Rollers 17 and 18
In between, a back plate 20 is provided supported by the upper and lower frames. Then, the endless writing sheet 13 is wrapped around the rollers 17 and 18, the writing surface P is backed by the back plate 20, and they are unitized to form the entire base frame 19.
Be supported by.

Further, a reading device 21 is provided in the blackboard main body 10 behind the writing sheet 13. Reader 21
Is a fluorescent lamp 22, a mirror 23, a lens 24, a CC
D25 or the like.

When the above-described electronic blackboard is used, characters, pictures, and the like are written on the writing surface P using a writing instrument such as an aqueous pen.

When a copy of the written content is to be made, a copy switch on the operation panel 14 is operated to drive a motor (not shown) to rotate the driving roller 17 and, while the driven roller 18 is driven to rotate, to write a sheet. The sheet 13 is conveyed, the sheet 13 is irradiated with light from a fluorescent lamp 22 of a reading device 21, the reflected light is reflected by a mirror 23, an image is formed on a CCD 25 through a lens 24, and the written contents are read. . The signal from the reading device 21 is transmitted to the printer 16.
, And discharges the sheet while reducing the read content and recording on the sheet.

In the above-described electronic blackboard, the writing sheet 13 is formed of a light transmitting member, for example, a transparent or translucent member made of resin.

The above-mentioned back plate 20 is formed in a rectangular disk shape with, for example, polyurethane foam. A light emitting material 30 for a backlight is provided on the front surface of the back plate 20 as shown in FIG.
0 is covered with the covering material 31.

The luminescent material 30 is made of, for example, a self-luminous or luminous white fluorescent paint, and the fluorescent paint is applied to the entire front surface of the back plate 20.

The covering material 31 is formed, for example, by using a transparent resin material and coating the surface of the light emitting material 30 with the transparent resin material. Then, the light emitting material 30 is protected by the covering material 31, and the light emitting material 30 is prevented from being discolored and from being worn or peeled off by rubbing with the writing sheet 13.

In the above-described electronic blackboard, during a meeting or the like, while writing on the writing surface P, for example, an OH
There is a case where an image is projected onto the writing surface P using P and used. In that case, turn off the light switch and darken the room. Then, the light emitting material 30 of the back plate 20 emits light, and the light illuminates the writing surface P. Then, after projection, the writing surface P
When writing in the room, the written contents can be clearly seen without operating the lighting switch to light the room.

In the above-described electronic blackboard, the light emitting material 30 is provided on the front surface of the back plate 20. For example, as shown in FIG. 2, the light emitting material 30 may be provided on the back surface of the back plate 20.

In this case, the back plate 20 is formed in a rectangular disk shape using a transparent material such as plastic.
Then, on the back surface of the back plate 20, a light emitting material 30 for backlight similar to that described above is provided. Further, the light-emitting material 30 is covered and protected by the coating material 31 to prevent the light-emitting material 30 from being discolored, worn or peeled off.

In this embodiment, when the room is used in a darkened state, the luminous material 30 on the back plate 20 emits light,
The writing surface P is illuminated through the transparent back plate 20.

[0027]

As described above, according to the first to third aspects of the present invention, the backlight of the writing surface can be used as a conventional backlight.
Rather than using an L-boat, the writing surface is formed of a light-transmitting member, and a light-emitting material that emits light naturally when it becomes dark is provided on the back plate, so illuminating the writing surface with the light-emitting material requires power consumption. Therefore, the cost for use can be reduced.

According to the invention described in claim 2 or 3,
In addition, since the light-emitting material is covered with the covering material and protected, it is possible to eliminate a problem that the light-emitting material is worn, peeled off or discolored.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram showing an electronic blackboard according to the present invention as viewed from the side thereof.

FIG. 2 is a similar schematic configuration diagram of an electronic blackboard provided with another example of a back plate.

FIG. 3 is an external perspective view of the electronic blackboard.

FIG. 4 is a schematic configuration diagram showing an internal mechanism of the blackboard main body as viewed from above.

FIG. 5 is a perspective view showing a part of a board body of a conventional whiteboard with a part cut away.

FIG. 6 is an exploded perspective view of a back plate of the whiteboard.

[Explanation of symbols]

 Reference Signs List 20 back plate 30 luminescent material 31 coating material P writing surface

Claims (3)

[Claims] 1. A writing board for writing using a writing instrument on a writing surface backed by a back plate, wherein the writing surface is formed of a light transmitting member, and a light emitting material for backlight is provided on the back plate. , Writing board. 2. The light-emitting material is provided on a front surface of the back plate,
The lighting board according to claim 1, wherein the luminescent material is covered with a transparent covering material. 3. The lighting board according to claim 1, wherein the back plate is made of a transparent material, the luminescent material is provided on a back surface of the back plate, and the luminescent material is covered with a covering material.