CN109870875A - 一种具有高稳定性的收卷式投影幕布及其使用方法 - Google Patents
一种具有高稳定性的收卷式投影幕布及其使用方法 Download PDFInfo
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110647003A (zh) * | 2019-09-29 | 2020-01-03 | 深圳市火乐科技发展有限公司 | 幕布升降机构及投影设备 |
CN111158209A (zh) * | 2020-03-04 | 2020-05-15 | 江苏精研科技股份有限公司 | 一种电动地拉幕 |
CN111263105A (zh) * | 2020-02-18 | 2020-06-09 | 常小兵 | 一种视频会议投影架 |
CN111948895A (zh) * | 2020-09-04 | 2020-11-17 | 王月 | 一种用于建筑教学的投影幕布自动启闭结构 |
CN111965930A (zh) * | 2020-09-02 | 2020-11-20 | 杭州晶瞳文化科技有限公司 | 一种新媒体科技用智能投影幕墙 |
CN112750340A (zh) * | 2021-01-07 | 2021-05-04 | 陈卯 | 一种用于思政教育教学用投影设备 |
CN113012602A (zh) * | 2021-05-06 | 2021-06-22 | 孙海涛 | 程控风帆式液压自升降户外巨型广告银幕 |
CN113345279A (zh) * | 2021-06-24 | 2021-09-03 | 黄河水利职业技术学院 | 一种多媒体授业投影装置 |
CN113413124A (zh) * | 2021-06-28 | 2021-09-21 | 肖旭迪 | 一种可多角度窥探的口腔医疗检查用口部辅助支撑装置 |
CN113448141A (zh) * | 2021-05-14 | 2021-09-28 | 上海工程技术大学 | 一种影视后期制作用特效幕墙 |
WO2021218807A1 (zh) * | 2020-04-26 | 2021-11-04 | 青岛海信激光显示股份有限公司 | 投影设备 |
CN113978164A (zh) * | 2021-12-06 | 2022-01-28 | 刘晓锴 | 一种多卷轴超大面积黑板及其使用方法 |
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US1946639A (en) * | 1931-06-30 | 1934-02-13 | Eastman Kodak Co | Folding projection screen |
GB569993A (en) * | 1943-10-26 | 1945-06-18 | Edward George Turner | Improvements in cinematograph projection screens |
JP2008286901A (ja) * | 2007-05-16 | 2008-11-27 | Kinki Education Center:Kk | 折り畳み式スクリーン |
CN102103317A (zh) * | 2009-12-17 | 2011-06-22 | 精工爱普生株式会社 | 投影屏装置 |
CN201892815U (zh) * | 2010-10-22 | 2011-07-06 | 崔定楠 | 座地升降投影幕 |
CN102162989A (zh) * | 2010-02-18 | 2011-08-24 | 精工爱普生株式会社 | 屏幕装置 |
CN208607484U (zh) * | 2018-07-27 | 2019-03-15 | 成都捷科菲友信息技术有限公司 | 一种自带清洁功能的投影幕布 |
-
2019
- 2019-04-15 CN CN201910299609.6A patent/CN109870875B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US1946639A (en) * | 1931-06-30 | 1934-02-13 | Eastman Kodak Co | Folding projection screen |
GB569993A (en) * | 1943-10-26 | 1945-06-18 | Edward George Turner | Improvements in cinematograph projection screens |
JP2008286901A (ja) * | 2007-05-16 | 2008-11-27 | Kinki Education Center:Kk | 折り畳み式スクリーン |
CN102103317A (zh) * | 2009-12-17 | 2011-06-22 | 精工爱普生株式会社 | 投影屏装置 |
CN102162989A (zh) * | 2010-02-18 | 2011-08-24 | 精工爱普生株式会社 | 屏幕装置 |
CN201892815U (zh) * | 2010-10-22 | 2011-07-06 | 崔定楠 | 座地升降投影幕 |
CN208607484U (zh) * | 2018-07-27 | 2019-03-15 | 成都捷科菲友信息技术有限公司 | 一种自带清洁功能的投影幕布 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110647003A (zh) * | 2019-09-29 | 2020-01-03 | 深圳市火乐科技发展有限公司 | 幕布升降机构及投影设备 |
CN111263105A (zh) * | 2020-02-18 | 2020-06-09 | 常小兵 | 一种视频会议投影架 |
CN111158209A (zh) * | 2020-03-04 | 2020-05-15 | 江苏精研科技股份有限公司 | 一种电动地拉幕 |
WO2021218807A1 (zh) * | 2020-04-26 | 2021-11-04 | 青岛海信激光显示股份有限公司 | 投影设备 |
US12055845B2 (en) * | 2020-04-26 | 2024-08-06 | Hisense Laser Display Co., Ltd | Projection screen and projection apparatus |
US20220291578A1 (en) * | 2020-04-26 | 2022-09-15 | Hisense Laser Display Co., Ltd | Projection screen and projection apparatus |
CN111965930A (zh) * | 2020-09-02 | 2020-11-20 | 杭州晶瞳文化科技有限公司 | 一种新媒体科技用智能投影幕墙 |
CN111948895A (zh) * | 2020-09-04 | 2020-11-17 | 王月 | 一种用于建筑教学的投影幕布自动启闭结构 |
CN112750340A (zh) * | 2021-01-07 | 2021-05-04 | 陈卯 | 一种用于思政教育教学用投影设备 |
CN113012602A (zh) * | 2021-05-06 | 2021-06-22 | 孙海涛 | 程控风帆式液压自升降户外巨型广告银幕 |
CN113448141A (zh) * | 2021-05-14 | 2021-09-28 | 上海工程技术大学 | 一种影视后期制作用特效幕墙 |
CN113345279A (zh) * | 2021-06-24 | 2021-09-03 | 黄河水利职业技术学院 | 一种多媒体授业投影装置 |
CN113413124A (zh) * | 2021-06-28 | 2021-09-21 | 肖旭迪 | 一种可多角度窥探的口腔医疗检查用口部辅助支撑装置 |
CN113413124B (zh) * | 2021-06-28 | 2023-09-05 | 陕西国联测评科技有限公司 | 一种可多角度窥探的口腔医疗检查用口部辅助支撑装置 |
CN113978164A (zh) * | 2021-12-06 | 2022-01-28 | 刘晓锴 | 一种多卷轴超大面积黑板及其使用方法 |
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Effective date of registration: 20250119 Address after: Room 2207, Building 1, Saigao International, Fengcheng Fifth Road, Economic Development Zone, Xi'an City, Shaanxi Province 710000 Patentee after: Shaanxi Xinyuan Bosi Environmental Art Engineering Co.,Ltd. Country or region after: China Address before: No. 122, Liujiachuan Village, Zhongjiao Town, Suide County, Yulin City, Shaanxi Province, 718000 Patentee before: Liu Yan Country or region before: China |