CN102289142B - 用于银幕的下幕口遮挡装置 - Google Patents
用于银幕的下幕口遮挡装置 Download PDFInfo
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- CN102289142B CN102289142B CN 201110235693 CN201110235693A CN102289142B CN 102289142 B CN102289142 B CN 102289142B CN 201110235693 CN201110235693 CN 201110235693 CN 201110235693 A CN201110235693 A CN 201110235693A CN 102289142 B CN102289142 B CN 102289142B
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CN 201110235693 CN102289142B (zh) | 2011-08-17 | 2011-08-17 | 用于银幕的下幕口遮挡装置 |
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CN 201110235693 CN102289142B (zh) | 2011-08-17 | 2011-08-17 | 用于银幕的下幕口遮挡装置 |
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CN102289142A CN102289142A (zh) | 2011-12-21 |
CN102289142B true CN102289142B (zh) | 2012-08-29 |
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CN 201110235693 Expired - Fee Related CN102289142B (zh) | 2011-08-17 | 2011-08-17 | 用于银幕的下幕口遮挡装置 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102681324A (zh) * | 2012-05-16 | 2012-09-19 | 江苏红叶视听器材股份有限公司 | 吸顶式电动银幕的壳体结构 |
CN106027956A (zh) * | 2016-04-29 | 2016-10-12 | 国网山东省电力公司平原县供电公司 | 一种计量资产检查辅助工具 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000145334A (ja) * | 1998-11-10 | 2000-05-26 | Sm Ind Co Ltd | 幕体巻取り装置 |
CN201392447Y (zh) * | 2009-03-10 | 2010-01-27 | 广州美视晶莹银幕有限公司 | 一种开合箱体电动座地升降投影幕 |
CN201859299U (zh) * | 2010-10-29 | 2011-06-08 | 深圳市白雪投影显示技术有限公司 | 地拉幕 |
CN202205020U (zh) * | 2011-08-17 | 2012-04-25 | 江苏红叶视听器材股份有限公司 | 用于银幕的下幕口遮挡装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3028649B2 (ja) * | 1991-07-17 | 2000-04-04 | 株式会社キクチ科学研究所 | 昇降動装置及びそれを用いた投影スクリーン装置 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000145334A (ja) * | 1998-11-10 | 2000-05-26 | Sm Ind Co Ltd | 幕体巻取り装置 |
CN201392447Y (zh) * | 2009-03-10 | 2010-01-27 | 广州美视晶莹银幕有限公司 | 一种开合箱体电动座地升降投影幕 |
CN201859299U (zh) * | 2010-10-29 | 2011-06-08 | 深圳市白雪投影显示技术有限公司 | 地拉幕 |
CN202205020U (zh) * | 2011-08-17 | 2012-04-25 | 江苏红叶视听器材股份有限公司 | 用于银幕的下幕口遮挡装置 |
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CN102289142A (zh) | 2011-12-21 |
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Effective date of registration: 20151231 Address after: 215625, Jiangsu, Zhangjiagang province Fengzhen Jin (Hexing) Yang Kam Road on the east side Patentee after: JIANGSU REDLEAF AUDIO & VISUAL EQUIPMENT CO., LTD. Address before: Zhangjiagang City Jin Fengzhen Lianxing village in Suzhou City, Jiangsu province 215626 (Hexing gas station on the north side) Patentee before: Jiangsu Redleaf Audio & Visual Equipment Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20180817 |
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CF01 | Termination of patent right due to non-payment of annual fee |