JPH0173846U - - Google Patents
Info
- Publication number
- JPH0173846U JPH0173846U JP1987168019U JP16801987U JPH0173846U JP H0173846 U JPH0173846 U JP H0173846U JP 1987168019 U JP1987168019 U JP 1987168019U JP 16801987 U JP16801987 U JP 16801987U JP H0173846 U JPH0173846 U JP H0173846U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- angle
- incident light
- exceed
- transmission
- 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 description 7
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 230000031700 light absorption Effects 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168019U JPH0173846U (en]) | 1987-11-02 | 1987-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168019U JPH0173846U (en]) | 1987-11-02 | 1987-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0173846U true JPH0173846U (en]) | 1989-05-18 |
Family
ID=31456833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168019U Pending JPH0173846U (en]) | 1987-11-02 | 1987-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0173846U (en]) |
-
1987
- 1987-11-02 JP JP1987168019U patent/JPH0173846U/ja active Pending
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