JPH0420028U - - Google Patents
Info
- Publication number
- JPH0420028U JPH0420028U JP6193890U JP6193890U JPH0420028U JP H0420028 U JPH0420028 U JP H0420028U JP 6193890 U JP6193890 U JP 6193890U JP 6193890 U JP6193890 U JP 6193890U JP H0420028 U JPH0420028 U JP H0420028U
- Authority
- JP
- Japan
- Prior art keywords
- projection
- holding means
- fresnel lens
- fixing
- holding
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6193890U JPH0420028U (en, 2012) | 1990-06-12 | 1990-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6193890U JPH0420028U (en, 2012) | 1990-06-12 | 1990-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420028U true JPH0420028U (en, 2012) | 1992-02-19 |
Family
ID=31590641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6193890U Pending JPH0420028U (en, 2012) | 1990-06-12 | 1990-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420028U (en, 2012) |
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1990
- 1990-06-12 JP JP6193890U patent/JPH0420028U/ja active Pending