JPS6114038Y2 - - Google Patents
Info
- Publication number
- JPS6114038Y2 JPS6114038Y2 JP13591277U JP13591277U JPS6114038Y2 JP S6114038 Y2 JPS6114038 Y2 JP S6114038Y2 JP 13591277 U JP13591277 U JP 13591277U JP 13591277 U JP13591277 U JP 13591277U JP S6114038 Y2 JPS6114038 Y2 JP S6114038Y2
- Authority
- JP
- Japan
- Prior art keywords
- glare
- filter plate
- overhead projector
- side wall
- glare filter
- 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.)
- Expired
Links
- 238000001179 sorption measurement Methods 0.000 claims 1
- 230000004313 glare Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 208000003464 asthenopia Diseases 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008921 facial expression Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13591277U JPS6114038Y2 (it) | 1977-10-12 | 1977-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13591277U JPS6114038Y2 (it) | 1977-10-12 | 1977-10-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5462730U JPS5462730U (it) | 1979-05-02 |
| JPS6114038Y2 true JPS6114038Y2 (it) | 1986-05-01 |
Family
ID=29106664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13591277U Expired JPS6114038Y2 (it) | 1977-10-12 | 1977-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6114038Y2 (it) |
-
1977
- 1977-10-12 JP JP13591277U patent/JPS6114038Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5462730U (it) | 1979-05-02 |
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