JPS633282B2 - - Google Patents
Info
- Publication number
- JPS633282B2 JPS633282B2 JP54080487A JP8048779A JPS633282B2 JP S633282 B2 JPS633282 B2 JP S633282B2 JP 54080487 A JP54080487 A JP 54080487A JP 8048779 A JP8048779 A JP 8048779A JP S633282 B2 JPS633282 B2 JP S633282B2
- Authority
- JP
- Japan
- Prior art keywords
- transparent plate
- light
- strip
- periphery
- optical path
- 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
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8048779A JPS565502A (en) | 1979-06-26 | 1979-06-26 | Optical path converting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8048779A JPS565502A (en) | 1979-06-26 | 1979-06-26 | Optical path converting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS565502A JPS565502A (en) | 1981-01-21 |
| JPS633282B2 true JPS633282B2 (enrdf_load_stackoverflow) | 1988-01-22 |
Family
ID=13719640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8048779A Granted JPS565502A (en) | 1979-06-26 | 1979-06-26 | Optical path converting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS565502A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57195237A (en) * | 1981-05-27 | 1982-11-30 | Mitsubishi Rayon Co Ltd | Fresnel lens for screen |
| JPS60227240A (ja) * | 1984-04-26 | 1985-11-12 | Nec Home Electronics Ltd | ビデオプロジエクタシステム |
| CN1073480C (zh) * | 1998-05-08 | 2001-10-24 | 宁夏有色金属冶炼厂 | 团化钽粉的生产方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5617649B2 (enrdf_load_stackoverflow) * | 1973-03-10 | 1981-04-23 |
-
1979
- 1979-06-26 JP JP8048779A patent/JPS565502A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS565502A (en) | 1981-01-21 |
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