CN108398848B - 一种隐藏式天花板投影幕盒 - Google Patents
一种隐藏式天花板投影幕盒 Download PDFInfo
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- CN108398848B CN108398848B CN201810110394.4A CN201810110394A CN108398848B CN 108398848 B CN108398848 B CN 108398848B CN 201810110394 A CN201810110394 A CN 201810110394A CN 108398848 B CN108398848 B CN 108398848B
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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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CN201810110394.4A CN108398848B (zh) | 2018-02-05 | 2018-02-05 | 一种隐藏式天花板投影幕盒 |
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CN201810110394.4A CN108398848B (zh) | 2018-02-05 | 2018-02-05 | 一种隐藏式天花板投影幕盒 |
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Publication Number | Publication Date |
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CN108398848A CN108398848A (zh) | 2018-08-14 |
CN108398848B true CN108398848B (zh) | 2021-03-30 |
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CN201810110394.4A Expired - Fee Related CN108398848B (zh) | 2018-02-05 | 2018-02-05 | 一种隐藏式天花板投影幕盒 |
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CN (1) | CN108398848B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110173613B (zh) * | 2019-06-05 | 2020-05-05 | 温州屉安智能科技有限公司 | 一种投影系统隐藏式安装设备 |
CN110456605B (zh) * | 2019-08-23 | 2024-03-12 | 广州市雄云视听设备有限公司 | 设有弹性底杆总成的投影幕 |
CN110908233A (zh) * | 2019-12-06 | 2020-03-24 | 四川长虹电器股份有限公司 | 用于超短焦投影机一体机柜的控制系统及方法 |
CN112213912B (zh) * | 2020-10-23 | 2022-06-10 | 江苏精仪达科技有限公司 | 一种多功能升降吊点装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101333906A (zh) * | 2007-06-27 | 2008-12-31 | 阿尔卡特朗讯 | 百叶窗或类似物及其驱动单元 |
CN101526729A (zh) * | 2009-04-21 | 2009-09-09 | 李军 | 一种弧形投影幕布 |
CN201673361U (zh) * | 2010-05-18 | 2010-12-15 | 极品影视设备科技(深圳)有限公司 | 方型隐藏式天花板投影幕 |
CN201892815U (zh) * | 2010-10-22 | 2011-07-06 | 崔定楠 | 座地升降投影幕 |
CN206515601U (zh) * | 2016-09-29 | 2017-09-22 | 上海飞来飞去新媒体展示设计有限公司 | 可平移六联投影幕门装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6807003B2 (en) * | 2000-12-26 | 2004-10-19 | Olympus Optical Co., Ltd. | Optical sheet, optical sheet manufacturing system, and optical sheet cutting machine |
CN102253584A (zh) * | 2010-05-18 | 2011-11-23 | 极品影视设备科技(深圳)有限公司 | 方型隐藏式天花板投影幕 |
CN103034040B (zh) * | 2011-09-29 | 2014-12-24 | 江苏宜清光电科技有限公司 | 三角式可切换组合幕布 |
US10080948B2 (en) * | 2016-05-25 | 2018-09-25 | Mc Golf Llc | Self-contained portable retractable sports training backdrop apparatus |
CN206638944U (zh) * | 2017-04-28 | 2017-11-14 | 魏文娟 | 一种马哲教育用投影幕布 |
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2018
- 2018-02-05 CN CN201810110394.4A patent/CN108398848B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101333906A (zh) * | 2007-06-27 | 2008-12-31 | 阿尔卡特朗讯 | 百叶窗或类似物及其驱动单元 |
CN101526729A (zh) * | 2009-04-21 | 2009-09-09 | 李军 | 一种弧形投影幕布 |
CN201673361U (zh) * | 2010-05-18 | 2010-12-15 | 极品影视设备科技(深圳)有限公司 | 方型隐藏式天花板投影幕 |
CN201892815U (zh) * | 2010-10-22 | 2011-07-06 | 崔定楠 | 座地升降投影幕 |
CN206515601U (zh) * | 2016-09-29 | 2017-09-22 | 上海飞来飞去新媒体展示设计有限公司 | 可平移六联投影幕门装置 |
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CN108398848A (zh) | 2018-08-14 |
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Effective date of registration: 20200729 Address after: Team 2, Wanji, Zhangzhuang Town, Pei County, Xuzhou City, Jiangsu Province Applicant after: Cheng Chang Address before: 519000 18 creative Valley, 1889 Island Road East, Hengqin New District, Zhuhai, Guangdong Applicant before: ZHUHAI HENGQIN NEW AREA YINHE INFORMATION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210316 Address after: 211200 Kechuang building, Futian Road, Zhetang street, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Applicant after: Nanjing Lishui hi tech Venture Capital Management Co.,Ltd. Address before: 221637 team 2, Wanji, Zhangzhuang Town, Pei County, Xuzhou City, Jiangsu Province Applicant before: Cheng Chang |
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