JPH0312236U - - Google Patents
Info
- Publication number
- JPH0312236U JPH0312236U JP1989073322U JP7332289U JPH0312236U JP H0312236 U JPH0312236 U JP H0312236U JP 1989073322 U JP1989073322 U JP 1989073322U JP 7332289 U JP7332289 U JP 7332289U JP H0312236 U JPH0312236 U JP H0312236U
- Authority
- JP
- Japan
- Prior art keywords
- projection screen
- plate
- surface plate
- screen according
- inorganic glass
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 239000005341 toughened glass Substances 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989073322U JP2599521Y2 (ja) | 1989-06-22 | 1989-06-22 | 投影スクリーン |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989073322U JP2599521Y2 (ja) | 1989-06-22 | 1989-06-22 | 投影スクリーン |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0312236U true JPH0312236U (en]) | 1991-02-07 |
JP2599521Y2 JP2599521Y2 (ja) | 1999-09-13 |
Family
ID=31612044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989073322U Expired - Lifetime JP2599521Y2 (ja) | 1989-06-22 | 1989-06-22 | 投影スクリーン |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2599521Y2 (en]) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS578536A (en) * | 1980-06-19 | 1982-01-16 | Sony Corp | Transmission type screen |
JPS63199338A (ja) * | 1987-02-16 | 1988-08-17 | Pioneer Electronic Corp | 背面投影スクリ−ン |
-
1989
- 1989-06-22 JP JP1989073322U patent/JP2599521Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS578536A (en) * | 1980-06-19 | 1982-01-16 | Sony Corp | Transmission type screen |
JPS63199338A (ja) * | 1987-02-16 | 1988-08-17 | Pioneer Electronic Corp | 背面投影スクリ−ン |
Also Published As
Publication number | Publication date |
---|---|
JP2599521Y2 (ja) | 1999-09-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |