JPH02105495U - - Google Patents
Info
- Publication number
- JPH02105495U JPH02105495U JP1989015225U JP1522589U JPH02105495U JP H02105495 U JPH02105495 U JP H02105495U JP 1989015225 U JP1989015225 U JP 1989015225U JP 1522589 U JP1522589 U JP 1522589U JP H02105495 U JPH02105495 U JP H02105495U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- screen
- screen device
- automatic
- amount
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 1
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989015225U JPH02105495U (en]) | 1989-02-10 | 1989-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989015225U JPH02105495U (en]) | 1989-02-10 | 1989-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02105495U true JPH02105495U (en]) | 1990-08-22 |
Family
ID=31227092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989015225U Pending JPH02105495U (en]) | 1989-02-10 | 1989-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02105495U (en]) |
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1989
- 1989-02-10 JP JP1989015225U patent/JPH02105495U/ja active Pending