JPH01176831U - - Google Patents
Info
- Publication number
- JPH01176831U JPH01176831U JP1988072639U JP7263988U JPH01176831U JP H01176831 U JPH01176831 U JP H01176831U JP 1988072639 U JP1988072639 U JP 1988072639U JP 7263988 U JP7263988 U JP 7263988U JP H01176831 U JPH01176831 U JP H01176831U
- Authority
- JP
- Japan
- Prior art keywords
- film
- view
- screen
- fresnel lens
- lens screen
- 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
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988072639U JPH01176831U (da) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988072639U JPH01176831U (da) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01176831U true JPH01176831U (da) | 1989-12-18 |
Family
ID=31297797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988072639U Pending JPH01176831U (da) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01176831U (da) |
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1988
- 1988-05-31 JP JP1988072639U patent/JPH01176831U/ja active Pending