JPH01155037U - - Google Patents
Info
- Publication number
- JPH01155037U JPH01155037U JP4557688U JP4557688U JPH01155037U JP H01155037 U JPH01155037 U JP H01155037U JP 4557688 U JP4557688 U JP 4557688U JP 4557688 U JP4557688 U JP 4557688U JP H01155037 U JPH01155037 U JP H01155037U
- Authority
- JP
- Japan
- Prior art keywords
- incident side
- taint
- agent
- base sheet
- fresnel lens
- 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
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 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 |
|---|---|---|---|
| JP4557688U JPH01155037U (fr) | 1988-04-04 | 1988-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4557688U JPH01155037U (fr) | 1988-04-04 | 1988-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155037U true JPH01155037U (fr) | 1989-10-25 |
Family
ID=31271880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4557688U Pending JPH01155037U (fr) | 1988-04-04 | 1988-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155037U (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005049614A (ja) * | 2003-07-29 | 2005-02-24 | Toppan Printing Co Ltd | 透過型スクリーン用前面板 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5145532A (en) * | 1974-10-17 | 1976-04-19 | Canon Kk | Sukuriinbuzai oyobisono seizohoho |
| JPS56162619A (en) * | 1980-05-20 | 1981-12-14 | Dainippon Printing Co Ltd | Manufacture of transmission type screen |
-
1988
- 1988-04-04 JP JP4557688U patent/JPH01155037U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5145532A (en) * | 1974-10-17 | 1976-04-19 | Canon Kk | Sukuriinbuzai oyobisono seizohoho |
| JPS56162619A (en) * | 1980-05-20 | 1981-12-14 | Dainippon Printing Co Ltd | Manufacture of transmission type screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005049614A (ja) * | 2003-07-29 | 2005-02-24 | Toppan Printing Co Ltd | 透過型スクリーン用前面板 |