JPH028274Y2 - - Google Patents
Info
- Publication number
- JPH028274Y2 JPH028274Y2 JP20288483U JP20288483U JPH028274Y2 JP H028274 Y2 JPH028274 Y2 JP H028274Y2 JP 20288483 U JP20288483 U JP 20288483U JP 20288483 U JP20288483 U JP 20288483U JP H028274 Y2 JPH028274 Y2 JP H028274Y2
- Authority
- JP
- Japan
- Prior art keywords
- projection lens
- lens
- focus adjustment
- head
- base
- 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
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20288483U JPS60112237U (ja) | 1983-12-29 | 1983-12-29 | オ−バヘツドプロジエクタ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20288483U JPS60112237U (ja) | 1983-12-29 | 1983-12-29 | オ−バヘツドプロジエクタ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60112237U JPS60112237U (ja) | 1985-07-30 |
| JPH028274Y2 true JPH028274Y2 (instruction) | 1990-02-27 |
Family
ID=30765311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20288483U Granted JPS60112237U (ja) | 1983-12-29 | 1983-12-29 | オ−バヘツドプロジエクタ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112237U (instruction) |
-
1983
- 1983-12-29 JP JP20288483U patent/JPS60112237U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60112237U (ja) | 1985-07-30 |
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