JPS6331050Y2 - - Google Patents
Info
- Publication number
- JPS6331050Y2 JPS6331050Y2 JP12569482U JP12569482U JPS6331050Y2 JP S6331050 Y2 JPS6331050 Y2 JP S6331050Y2 JP 12569482 U JP12569482 U JP 12569482U JP 12569482 U JP12569482 U JP 12569482U JP S6331050 Y2 JPS6331050 Y2 JP S6331050Y2
- Authority
- JP
- Japan
- Prior art keywords
- document
- optical path
- light
- table glass
- periphery
- 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
- 239000011521 glass Substances 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12569482U JPS5930128U (ja) | 1982-08-20 | 1982-08-20 | オ−バ−ヘツドプロジエクタ−減光装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12569482U JPS5930128U (ja) | 1982-08-20 | 1982-08-20 | オ−バ−ヘツドプロジエクタ−減光装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5930128U JPS5930128U (ja) | 1984-02-24 |
| JPS6331050Y2 true JPS6331050Y2 (en:Method) | 1988-08-19 |
Family
ID=30286072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12569482U Granted JPS5930128U (ja) | 1982-08-20 | 1982-08-20 | オ−バ−ヘツドプロジエクタ−減光装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5930128U (en:Method) |
-
1982
- 1982-08-20 JP JP12569482U patent/JPS5930128U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5930128U (ja) | 1984-02-24 |
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