CN105467740A - 自下而上的投影屏幕 - Google Patents
自下而上的投影屏幕 Download PDFInfo
- Publication number
- CN105467740A CN105467740A CN201510935879.3A CN201510935879A CN105467740A CN 105467740 A CN105467740 A CN 105467740A CN 201510935879 A CN201510935879 A CN 201510935879A CN 105467740 A CN105467740 A CN 105467740A
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- projection screen
- worktable
- motor
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510935879.3A CN105467740B (zh) | 2015-12-15 | 2015-12-15 | 自下而上的投影屏幕 |
Applications Claiming Priority (1)
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CN201510935879.3A CN105467740B (zh) | 2015-12-15 | 2015-12-15 | 自下而上的投影屏幕 |
Publications (2)
Publication Number | Publication Date |
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CN105467740A true CN105467740A (zh) | 2016-04-06 |
CN105467740B CN105467740B (zh) | 2018-02-13 |
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CN201510935879.3A Active CN105467740B (zh) | 2015-12-15 | 2015-12-15 | 自下而上的投影屏幕 |
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CN (1) | CN105467740B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106205224A (zh) * | 2016-06-29 | 2016-12-07 | 武汉均姆机械设备有限公司 | 一种用于教学讲台的长距离可旋转一体化投影机构 |
CN108469713A (zh) * | 2018-03-27 | 2018-08-31 | 杭州也思文化传播有限公司 | 一种用于宣传的隐藏式投影装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103105720A (zh) * | 2013-01-17 | 2013-05-15 | 潘玮玲 | 一种投影挂幕系统 |
CN204020317U (zh) * | 2014-07-31 | 2014-12-17 | 安顺学院 | 一种自动黑板 |
CN204065650U (zh) * | 2014-04-01 | 2014-12-31 | 天津市宝晶投影器材有限公司 | 一种便携式投影幕 |
CN104360577A (zh) * | 2014-12-08 | 2015-02-18 | 窦志刚 | 整体折叠式框架投影幕 |
CN204256364U (zh) * | 2014-11-17 | 2015-04-08 | 成都西华升腾科技有限公司 | 基于保证投影仪收放安全性的系统 |
CN204852811U (zh) * | 2015-08-12 | 2015-12-09 | 姜建炎 | 一种投影幕布自下而上升起装置 |
-
2015
- 2015-12-15 CN CN201510935879.3A patent/CN105467740B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103105720A (zh) * | 2013-01-17 | 2013-05-15 | 潘玮玲 | 一种投影挂幕系统 |
CN204065650U (zh) * | 2014-04-01 | 2014-12-31 | 天津市宝晶投影器材有限公司 | 一种便携式投影幕 |
CN204020317U (zh) * | 2014-07-31 | 2014-12-17 | 安顺学院 | 一种自动黑板 |
CN204256364U (zh) * | 2014-11-17 | 2015-04-08 | 成都西华升腾科技有限公司 | 基于保证投影仪收放安全性的系统 |
CN104360577A (zh) * | 2014-12-08 | 2015-02-18 | 窦志刚 | 整体折叠式框架投影幕 |
CN204852811U (zh) * | 2015-08-12 | 2015-12-09 | 姜建炎 | 一种投影幕布自下而上升起装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106205224A (zh) * | 2016-06-29 | 2016-12-07 | 武汉均姆机械设备有限公司 | 一种用于教学讲台的长距离可旋转一体化投影机构 |
CN106205224B (zh) * | 2016-06-29 | 2019-02-26 | 上海坤澎信息科技有限公司 | 一种用于教学讲台的长距离可旋转一体化投影机构 |
CN108469713A (zh) * | 2018-03-27 | 2018-08-31 | 杭州也思文化传播有限公司 | 一种用于宣传的隐藏式投影装置 |
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Publication number | Publication date |
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CN105467740B (zh) | 2018-02-13 |
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Effective date of registration: 20220111 Address after: 252000 Room 102, 10th floor, Norbert R & D center building, No. 88, South Huanghe Road, high tech Zone, Liaocheng City, Shandong Province Patentee after: Shandong Daotu Information Technology Co.,Ltd. Address before: 400020 16-5, building 1, No. 41, Jialing first village, Jiangbei District, Chongqing Patentee before: CHONGQING COOPO SCIENCE & TECHNOLOGY Co.,Ltd. |
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Address after: Room 517, Block A, Yingying Building, No. 99, Tuanjie Road, Yanchuangyuan, Nanjing Area, Nanjing Pilot Free Trade Zone, Jiangsu Province, 210000 Patentee after: Nanjing Daotu Information Technology Co.,Ltd. Address before: 252000 Room 102, 10th floor, Norbert R & D center building, No. 88, South Huanghe Road, high tech Zone, Liaocheng City, Shandong Province Patentee before: Shandong Daotu Information Technology Co.,Ltd. |