JPH0331946Y2 - - Google Patents
Info
- Publication number
- JPH0331946Y2 JPH0331946Y2 JP1981195293U JP19529381U JPH0331946Y2 JP H0331946 Y2 JPH0331946 Y2 JP H0331946Y2 JP 1981195293 U JP1981195293 U JP 1981195293U JP 19529381 U JP19529381 U JP 19529381U JP H0331946 Y2 JPH0331946 Y2 JP H0331946Y2
- Authority
- JP
- Japan
- Prior art keywords
- fresnel
- fresnel reflector
- base
- reflector
- corners
- 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
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19529381U JPS5898634U (ja) | 1981-12-26 | 1981-12-26 | 反射型オ−バ−ヘツドプロジエクタ− |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19529381U JPS5898634U (ja) | 1981-12-26 | 1981-12-26 | 反射型オ−バ−ヘツドプロジエクタ− |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5898634U JPS5898634U (ja) | 1983-07-05 |
| JPH0331946Y2 true JPH0331946Y2 (cs) | 1991-07-08 |
Family
ID=30108573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19529381U Granted JPS5898634U (ja) | 1981-12-26 | 1981-12-26 | 反射型オ−バ−ヘツドプロジエクタ− |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5898634U (cs) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52105427U (cs) * | 1976-02-06 | 1977-08-11 | ||
| JPS52105817A (en) * | 1976-03-01 | 1977-09-05 | Minolta Camera Co Ltd | Removably holding device for focal plate of camera |
-
1981
- 1981-12-26 JP JP19529381U patent/JPS5898634U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5898634U (ja) | 1983-07-05 |
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