JPS6333217Y2 - - Google Patents
Info
- Publication number
- JPS6333217Y2 JPS6333217Y2 JP14298182U JP14298182U JPS6333217Y2 JP S6333217 Y2 JPS6333217 Y2 JP S6333217Y2 JP 14298182 U JP14298182 U JP 14298182U JP 14298182 U JP14298182 U JP 14298182U JP S6333217 Y2 JPS6333217 Y2 JP S6333217Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical path
- original
- lens
- document
- diverging lens
- 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 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14298182U JPS5948538U (ja) | 1982-09-21 | 1982-09-21 | 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 |
|---|---|---|---|
| JP14298182U JPS5948538U (ja) | 1982-09-21 | 1982-09-21 | オ−バ−ヘツドプロジエクタ−減光装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5948538U JPS5948538U (ja) | 1984-03-31 |
| JPS6333217Y2 true JPS6333217Y2 (enrdf_load_stackoverflow) | 1988-09-05 |
Family
ID=30319296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14298182U Granted JPS5948538U (ja) | 1982-09-21 | 1982-09-21 | オ−バ−ヘツドプロジエクタ−減光装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5948538U (enrdf_load_stackoverflow) |
-
1982
- 1982-09-21 JP JP14298182U patent/JPS5948538U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5948538U (ja) | 1984-03-31 |
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