JPH0317505U - - Google Patents
Info
- Publication number
- JPH0317505U JPH0317505U JP7891189U JP7891189U JPH0317505U JP H0317505 U JPH0317505 U JP H0317505U JP 7891189 U JP7891189 U JP 7891189U JP 7891189 U JP7891189 U JP 7891189U JP H0317505 U JPH0317505 U JP H0317505U
- Authority
- JP
- Japan
- Prior art keywords
- projection
- projection lens
- screen
- distortion
- projected
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Instruments For Measurement Of Length By Optical Means (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7891189U JPH0734328Y2 (ja) | 1989-07-04 | 1989-07-04 | 投影装置のスクリーン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7891189U JPH0734328Y2 (ja) | 1989-07-04 | 1989-07-04 | 投影装置のスクリーン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0317505U true JPH0317505U (cs) | 1991-02-21 |
| JPH0734328Y2 JPH0734328Y2 (ja) | 1995-08-02 |
Family
ID=31622601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7891189U Expired - Fee Related JPH0734328Y2 (ja) | 1989-07-04 | 1989-07-04 | 投影装置のスクリーン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734328Y2 (cs) |
-
1989
- 1989-07-04 JP JP7891189U patent/JPH0734328Y2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734328Y2 (ja) | 1995-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |