CN103913825B - 一种超短焦投影镜头 - Google Patents
一种超短焦投影镜头 Download PDFInfo
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- CN103913825B CN103913825B CN201410160470.4A CN201410160470A CN103913825B CN 103913825 B CN103913825 B CN 103913825B CN 201410160470 A CN201410160470 A CN 201410160470A CN 103913825 B CN103913825 B CN 103913825B
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Abstract
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Priority Applications (1)
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CN201410160470.4A CN103913825B (zh) | 2014-04-21 | 2014-04-21 | 一种超短焦投影镜头 |
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CN201410160470.4A CN103913825B (zh) | 2014-04-21 | 2014-04-21 | 一种超短焦投影镜头 |
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CN103913825A CN103913825A (zh) | 2014-07-09 |
CN103913825B true CN103913825B (zh) | 2016-08-17 |
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CN201410160470.4A Active CN103913825B (zh) | 2014-04-21 | 2014-04-21 | 一种超短焦投影镜头 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108535836B (zh) * | 2017-09-07 | 2024-03-19 | 安徽仁和光电科技有限公司 | 一种全高清投影镜头 |
CN110737069B (zh) * | 2018-07-20 | 2021-12-28 | 上旸光学股份有限公司 | 投影系统 |
CN114924457B (zh) * | 2022-07-18 | 2022-10-25 | 沂普光电(天津)有限公司 | 一种超短焦光学系统及投影设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102645725A (zh) * | 2011-02-18 | 2012-08-22 | 扬明光学股份有限公司 | 投影镜头与投影装置 |
CN202433593U (zh) * | 2012-01-30 | 2012-09-12 | 利达光电股份有限公司 | 短焦距前投影镜头 |
TW201243421A (en) * | 2011-04-29 | 2012-11-01 | Asia Optical Co Inc | Zoom projection lens for projector |
CN203858407U (zh) * | 2014-04-21 | 2014-10-01 | 广州市晶华光学电子有限公司 | 一种超短焦投影镜头 |
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2014
- 2014-04-21 CN CN201410160470.4A patent/CN103913825B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102645725A (zh) * | 2011-02-18 | 2012-08-22 | 扬明光学股份有限公司 | 投影镜头与投影装置 |
TW201243421A (en) * | 2011-04-29 | 2012-11-01 | Asia Optical Co Inc | Zoom projection lens for projector |
CN202433593U (zh) * | 2012-01-30 | 2012-09-12 | 利达光电股份有限公司 | 短焦距前投影镜头 |
CN203858407U (zh) * | 2014-04-21 | 2014-10-01 | 广州市晶华光学电子有限公司 | 一种超短焦投影镜头 |
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CN103913825A (zh) | 2014-07-09 |
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CB02 | Change of applicant information |
Address after: 510000 Guangdong Province, Guangzhou city Whampoa District Po Industrial District East tablets Kangda Road No. 12 Applicant after: GUANGZHOU JINGHUA PRECISION OPTICS Co.,Ltd. Address before: 510000 Guangdong Province, Guangzhou city Whampoa District Po Industrial District East tablets Kangda Road No. 12 Applicant before: GUANGZHOU JINGHUA OPTICAL & ELECTRONICS Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: GUANGZHOU JOC TECH. CO., LTD. TO: GUANGZHOU JINGHUA PRECISION OPTICAL CO., LTD. |
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CB03 | Change of inventor or designer information |
Inventor after: Xia Denghai Inventor before: Song Xin Inventor before: Zhao Yongcheng |
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Effective date of registration: 20170523 Address after: 510000 Guangdong Province, Guangzhou city Whampoa District Po Industrial District East tablets Kangda Road No. 12 Patentee after: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Address before: 510000 Guangdong Province, Guangzhou city Whampoa District Po Industrial District East tablets Kangda Road No. 12 Patentee before: GUANGZHOU JINGHUA PRECISION OPTICS Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Ultra-short-focus projection lens Effective date of registration: 20190320 Granted publication date: 20160817 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: 2019440000106 |
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Date of cancellation: 20200515 Granted publication date: 20160817 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: 2019440000106 |
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Denomination of invention: Ultra-short-focus projection lens Effective date of registration: 20200521 Granted publication date: 20160817 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980002382 |
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Date of cancellation: 20210727 Granted publication date: 20160817 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980002382 |
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Denomination of invention: An ultra short focus projection lens Effective date of registration: 20210728 Granted publication date: 20160817 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2021980006979 |
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Date of cancellation: 20220919 Granted publication date: 20160817 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2021980006979 |
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Denomination of invention: A kind of ultra short focal projection lens Effective date of registration: 20221019 Granted publication date: 20160817 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2022980018854 |
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Date of cancellation: 20231123 Granted publication date: 20160817 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2022980018854 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of ultra short focus projection lens Granted publication date: 20160817 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2024980009887 |