JPH0380425U - - Google Patents
Info
- Publication number
- JPH0380425U JPH0380425U JP1989140624U JP14062489U JPH0380425U JP H0380425 U JPH0380425 U JP H0380425U JP 1989140624 U JP1989140624 U JP 1989140624U JP 14062489 U JP14062489 U JP 14062489U JP H0380425 U JPH0380425 U JP H0380425U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- roll
- winding shaft
- screen device
- projection 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989140624U JP2554974Y2 (ja) | 1989-12-06 | 1989-12-06 | 巻き取り式映写用スクリーン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989140624U JP2554974Y2 (ja) | 1989-12-06 | 1989-12-06 | 巻き取り式映写用スクリーン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0380425U true JPH0380425U (zh) | 1991-08-19 |
JP2554974Y2 JP2554974Y2 (ja) | 1997-11-19 |
Family
ID=31687579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989140624U Expired - Lifetime JP2554974Y2 (ja) | 1989-12-06 | 1989-12-06 | 巻き取り式映写用スクリーン装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2554974Y2 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006213389A (ja) * | 2005-02-07 | 2006-08-17 | Ricoh Co Ltd | 梱包装置 |
JP2007069925A (ja) * | 2005-09-05 | 2007-03-22 | Ricoh Co Ltd | 梱包装置 |
JP2008308233A (ja) * | 2008-06-27 | 2008-12-25 | Matsuda Gijutsu Kenkyusho:Kk | パレット |
JP2015045715A (ja) * | 2013-08-28 | 2015-03-12 | 株式会社近畿エデュケーションセンター | マグネットスクリーン |
CN114114822A (zh) * | 2021-12-21 | 2022-03-01 | 得力集团有限公司 | 一种幕布工作方法及电动投影幕布 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5552136U (zh) * | 1978-09-30 | 1980-04-07 |
-
1989
- 1989-12-06 JP JP1989140624U patent/JP2554974Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5552136U (zh) * | 1978-09-30 | 1980-04-07 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006213389A (ja) * | 2005-02-07 | 2006-08-17 | Ricoh Co Ltd | 梱包装置 |
JP4533767B2 (ja) * | 2005-02-07 | 2010-09-01 | 株式会社リコー | 梱包装置 |
JP2007069925A (ja) * | 2005-09-05 | 2007-03-22 | Ricoh Co Ltd | 梱包装置 |
JP4734064B2 (ja) * | 2005-09-05 | 2011-07-27 | 株式会社リコー | 梱包装置 |
JP2008308233A (ja) * | 2008-06-27 | 2008-12-25 | Matsuda Gijutsu Kenkyusho:Kk | パレット |
JP2015045715A (ja) * | 2013-08-28 | 2015-03-12 | 株式会社近畿エデュケーションセンター | マグネットスクリーン |
CN114114822A (zh) * | 2021-12-21 | 2022-03-01 | 得力集团有限公司 | 一种幕布工作方法及电动投影幕布 |
Also Published As
Publication number | Publication date |
---|---|
JP2554974Y2 (ja) | 1997-11-19 |
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