CN111007692B - 一种用于计算机网络问答展示装置 - Google Patents
一种用于计算机网络问答展示装置 Download PDFInfo
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- CN111007692B CN111007692B CN201911234890.1A CN201911234890A CN111007692B CN 111007692 B CN111007692 B CN 111007692B CN 201911234890 A CN201911234890 A CN 201911234890A CN 111007692 B CN111007692 B CN 111007692B
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- 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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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106940512A (zh) * | 2017-05-04 | 2017-07-11 | 杜美玲 | 一种自除尘式教学用投影幕布 |
CN208433118U (zh) * | 2018-03-21 | 2019-01-25 | 郭心彦 | 一种高度可调的教学投影幕布 |
CN110491192A (zh) * | 2019-08-08 | 2019-11-22 | 辽宁工程技术大学 | 一种用于动画设计的教学演示装置 |
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GB0304780D0 (en) * | 2003-03-03 | 2003-04-09 | Clive Smith Martin | Demountable drive |
KR101763109B1 (ko) * | 2015-11-16 | 2017-08-01 | 주식회사 루버텍코리아 | 처짐 방지용 롤 스크린 |
CN205809518U (zh) * | 2016-06-28 | 2016-12-14 | 李卫国 | 一种戏剧影视文学教学装置 |
CN208397656U (zh) * | 2018-06-20 | 2019-01-18 | 张钰莎 | 一种数据挖掘网络教学装置 |
CN209431029U (zh) * | 2018-09-17 | 2019-09-24 | 陕西助智信息技术有限公司 | 一种视频会议用投影仪安装装置 |
CN208737204U (zh) * | 2018-09-21 | 2019-04-12 | 上海益信信息技术有限公司 | 一种智能电动投影幕 |
CN109340519A (zh) * | 2018-11-28 | 2019-02-15 | 大连国晨科技有限公司 | 一种矩阵系统用的投影仪及调节方法 |
CN109345981A (zh) * | 2018-12-07 | 2019-02-15 | 安徽职业技术学院 | 一种改进的喷绘布广告展示机构 |
CN209591125U (zh) * | 2018-12-27 | 2019-11-05 | 铁道警察学院 | 一种计算机网络教学实验装置 |
CN209728414U (zh) * | 2019-06-14 | 2019-12-03 | 刘于 | 一种多功能人力资源培训用工具 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106940512A (zh) * | 2017-05-04 | 2017-07-11 | 杜美玲 | 一种自除尘式教学用投影幕布 |
CN208433118U (zh) * | 2018-03-21 | 2019-01-25 | 郭心彦 | 一种高度可调的教学投影幕布 |
CN110491192A (zh) * | 2019-08-08 | 2019-11-22 | 辽宁工程技术大学 | 一种用于动画设计的教学演示装置 |
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Inventor after: Wang Honglin Inventor after: Liu Chen Inventor before: Liu Chen |
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Effective date of registration: 20211014 Address after: 215000 - 229, building 12, No. 38, Gaoxin Road, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Applicant after: Suzhou ruitonghuijiao Software Technology Co.,Ltd. Address before: 844006 Kashgar University, Kashgar City, county level administrative division directly under the central government of Xinjiang Uygur Autonomous Region Applicant before: Liu Chen |
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Effective date of registration: 20230609 Address after: Room 101-D, Building 15, No. 18 Xinke Second Road, Jiangbei New Area, Nanjing, Jiangsu Province, 211199 Patentee after: JIANGSU HUIXUETANG SYSTEM ENGINEERING CO.,LTD. Address before: 215000 - 229, building 12, No. 38, Gaoxin Road, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou ruitonghuijiao Software Technology Co.,Ltd. |
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