JPS62116896U - - Google Patents
Info
- Publication number
- JPS62116896U JPS62116896U JP308186U JP308186U JPS62116896U JP S62116896 U JPS62116896 U JP S62116896U JP 308186 U JP308186 U JP 308186U JP 308186 U JP308186 U JP 308186U JP S62116896 U JPS62116896 U JP S62116896U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- board
- receiving section
- white sheet
- movable
- 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
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Position Input By Displaying (AREA)
Description
第１図は本考案に係る電子黒板の一実施例を示
す概略的正面図、第２図は同じく概略的平面図、
第３図は従来の電子黒板の概略的正面図、第４図
は同じく概略的平面図である。
１……白色ボード、２……読取りヘツド部、１
１……透明ボード、１２……投光部、１３……照
度測定用受光素子、１４，１５……ローラ、１６
……白色シート、Ｘ……走査方向、Ａ……筆記パ
ターン、Ｂ……投影パターン。
FIG. 1 is a schematic front view showing an embodiment of an electronic blackboard according to the present invention, FIG. 2 is a schematic plan view,
FIG. 3 is a schematic front view of a conventional electronic whiteboard, and FIG. 4 is a schematic plan view of the same. 1...White board, 2...Reading head section, 1
DESCRIPTION OF SYMBOLS 1...Transparent board, 12...Light emitter, 13...Light receiving element for illuminance measurement, 14, 15...Roller, 16
...white sheet, X...scanning direction, A...writing pattern, B...projection pattern.
Claims (1)
能な白色シート１６を介して受光部１７を独立さ
せて設け、かつ前記ボード１１の表面側に前記受
光部１７および白色シート１６とともに移動可能
な投光部１２と少なくとも１個または２個以上の
照度測定用受光素子１３とを設けるとともに、こ
の照度測定用受光素子１３の測定による照度をも
とに前記ボード１１上に書かれた筆記パターンＡ
および光学的に投影された投影パターンＢによる
透過光の強弱を前記受光部１７の移動走査で検出
してハードコピー可能にしたことを特徴とする電
子黒板。 A light receiving section 17 is independently provided on the back side of the transparent board 11 via a white sheet 16 that is movable in the scanning direction, and a projector that is movable together with the light receiving section 17 and the white sheet 16 is provided on the front side of the board 11. A writing pattern A is written on the board 11 based on the illuminance measured by the light receiving element 13 for measuring illuminance.
An electronic whiteboard characterized in that the intensity of transmitted light from the optically projected projection pattern B is detected by moving and scanning the light receiving section 17 to enable hard copying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP308186U JPS62116896U (en) | 1986-01-16 | 1986-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP308186U JPS62116896U (en) | 1986-01-16 | 1986-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62116896U true JPS62116896U (en) | 1987-07-24 |
Family
ID=30782512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP308186U Pending JPS62116896U (en) | 1986-01-16 | 1986-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62116896U (en) |
-
1986
- 1986-01-16 JP JP308186U patent/JPS62116896U/ja active Pending
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