JPS6219293U - - Google Patents
Info
- Publication number
- JPS6219293U JPS6219293U JP10877685U JP10877685U JPS6219293U JP S6219293 U JPS6219293 U JP S6219293U JP 10877685 U JP10877685 U JP 10877685U JP 10877685 U JP10877685 U JP 10877685U JP S6219293 U JPS6219293 U JP S6219293U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photosensitive layer
- color
- display board
- predetermined wavelength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図から第４図はこの考案の一実施例を示し
、第１図は表示装置の外観図、第２図はその要部
断面図、第３図は消去装置の外観図、第４図はそ
の要部断面図、第５図は消去装置の変形例を示す
断面図である。
１……表示ボード、２……ライトペン、３……
基板、４……感光層、６，１１……消去装置、８
……ヒータ、１２……蛍光灯。
Figures 1 to 4 show an embodiment of this invention, in which Figure 1 is an external view of the display device, Figure 2 is a sectional view of its main parts, Figure 3 is an external view of the erasing device, and Figure 4 is an external view of the display device. 5 is a sectional view of a main part thereof, and FIG. 5 is a sectional view showing a modification of the erasing device. 1...Display board, 2...Light pen, 3...
Substrate, 4... Photosensitive layer, 6, 11... Eraser, 8
...Heater, 12...Fluorescent light.
Claims (1)
た表示ボードと、この表示ボードの感光層に所定
波長の光を照射するライトペンと、このライトペ
ンからの光で変色した感光層を元の色に戻す消去
手段とを備えてなる表示装置。 A display board equipped with a photosensitive layer that changes color when exposed to light of a predetermined wavelength, a light pen that irradiates the photosensitive layer of this display board with light of a predetermined wavelength, and a photosensitive layer that changes color due to the light from the light pen. and erasing means for returning the color to the original color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10877685U JPS6219293U (en) | 1985-07-18 | 1985-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10877685U JPS6219293U (en) | 1985-07-18 | 1985-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6219293U true JPS6219293U (en) | 1987-02-05 |
Family
ID=30986282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10877685U Pending JPS6219293U (en) | 1985-07-18 | 1985-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6219293U (en) |
-
1985
- 1985-07-18 JP JP10877685U patent/JPS6219293U/ja active Pending
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