JPH0185828U - - Google Patents
Info
- Publication number
- JPH0185828U JPH0185828U JP1987182720U JP18272087U JPH0185828U JP H0185828 U JPH0185828 U JP H0185828U JP 1987182720 U JP1987182720 U JP 1987182720U JP 18272087 U JP18272087 U JP 18272087U JP H0185828 U JPH0185828 U JP H0185828U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- video projector
- fresnel lens
- reflection
- overlap
- 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
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000010586 diagram Methods 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 |
|---|---|---|---|
| JP1987182720U JPH0185828U (un) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182720U JPH0185828U (un) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185828U true JPH0185828U (un) | 1989-06-07 |
Family
ID=31474164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987182720U Pending JPH0185828U (un) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185828U (un) |
-
1987
- 1987-11-30 JP JP1987182720U patent/JPH0185828U/ja active Pending