CN106773497B - 一种分离式吸盘固定投影仪幕布 - Google Patents
一种分离式吸盘固定投影仪幕布 Download PDFInfo
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- CN106773497B CN106773497B CN201710154982.3A CN201710154982A CN106773497B CN 106773497 B CN106773497 B CN 106773497B CN 201710154982 A CN201710154982 A CN 201710154982A CN 106773497 B CN106773497 B CN 106773497B
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- sucker
- handle
- sucking disc
- high magnetic
- magnetic steel
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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
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
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CN201710154982.3A CN106773497B (zh) | 2017-03-16 | 2017-03-16 | 一种分离式吸盘固定投影仪幕布 |
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CN201710154982.3A CN106773497B (zh) | 2017-03-16 | 2017-03-16 | 一种分离式吸盘固定投影仪幕布 |
Publications (2)
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CN106773497A CN106773497A (zh) | 2017-05-31 |
CN106773497B true CN106773497B (zh) | 2018-07-17 |
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CN201710154982.3A Active CN106773497B (zh) | 2017-03-16 | 2017-03-16 | 一种分离式吸盘固定投影仪幕布 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106647133B (zh) * | 2017-03-17 | 2018-08-17 | 重庆工业职业技术学院 | 一种磁力定位多媒体教学幕布 |
CN106681095A (zh) * | 2017-03-17 | 2017-05-17 | 重庆市炙热科技发展有限公司 | 一种能在光滑平面上固定使用的会计教学组合式投影仪幕布 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201107540Y (zh) * | 2007-11-12 | 2008-08-27 | 亓海青 | 便携式教学演示大型投影幕布 |
CN204086792U (zh) * | 2014-10-23 | 2015-01-07 | 燕山大学 | 一种思想政治教育用投影幕布结构 |
CN105840972A (zh) * | 2016-05-30 | 2016-08-10 | 潘爱松 | 一种简易投影幕布 |
CN106444261A (zh) * | 2016-11-25 | 2017-02-22 | 盐城工学院 | 一种具有底部伸拉式稳定装置的电动幕布 |
CN206671752U (zh) * | 2017-03-16 | 2017-11-24 | 重庆工业职业技术学院 | 一种能在光滑平面上固定的组合式投影仪幕布 |
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2017
- 2017-03-16 CN CN201710154982.3A patent/CN106773497B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201107540Y (zh) * | 2007-11-12 | 2008-08-27 | 亓海青 | 便携式教学演示大型投影幕布 |
CN204086792U (zh) * | 2014-10-23 | 2015-01-07 | 燕山大学 | 一种思想政治教育用投影幕布结构 |
CN105840972A (zh) * | 2016-05-30 | 2016-08-10 | 潘爱松 | 一种简易投影幕布 |
CN106444261A (zh) * | 2016-11-25 | 2017-02-22 | 盐城工学院 | 一种具有底部伸拉式稳定装置的电动幕布 |
CN206671752U (zh) * | 2017-03-16 | 2017-11-24 | 重庆工业职业技术学院 | 一种能在光滑平面上固定的组合式投影仪幕布 |
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CN106773497A (zh) | 2017-05-31 |
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CB03 | Change of inventor or designer information |
Inventor after: OuYang Gang Inventor after: Su Shu Inventor after: Su Tao Inventor before: Xu Mei |
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CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20180514 Address after: No. 1000 Taoyuan Avenue, Yubei District, Chongqing Applicant after: CHONGQING INDUSTRY POLYTECHNIC College Applicant after: CHONGQING RUIHAO TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: No. 1000 Taoyuan Avenue, Yubei District, Chongqing Applicant before: Chongqing Industry Polytechnic College |
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Effective date of registration: 20221214 Address after: 272000 No. 52, Jinyu Road, Jining High tech Zone, Jining City, Shandong Province Patentee after: Shandong High-tech Chuangda Technology Entrepreneurship Service Co.,Ltd. Address before: No. 1000 Taoyuan Avenue, Yubei District, Chongqing Patentee before: CHONGQING INDUSTRY POLYTECHNIC College Patentee before: CHONGQING RUIHAO TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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