CN103576436A - 具有自动调焦功能的投影机光机 - Google Patents
具有自动调焦功能的投影机光机 Download PDFInfo
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- CN103576436A CN103576436A CN201310460497.0A CN201310460497A CN103576436A CN 103576436 A CN103576436 A CN 103576436A CN 201310460497 A CN201310460497 A CN 201310460497A CN 103576436 A CN103576436 A CN 103576436A
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CN201310460497.0A CN103576436A (zh) | 2013-09-29 | 2013-09-29 | 具有自动调焦功能的投影机光机 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104460216A (zh) * | 2014-11-19 | 2015-03-25 | 成都布林特信息技术有限公司 | 一种新型的幻灯机数控机械传动机构 |
CN107145028A (zh) * | 2017-06-29 | 2017-09-08 | 环球智达科技(北京)有限公司 | 光电投射镜头模组 |
CN110319782A (zh) * | 2018-03-30 | 2019-10-11 | 中强光电股份有限公司 | 投影装置、齿隙检测系统及其方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2760610Y (zh) * | 2004-08-19 | 2006-02-22 | 葛大庆 | 用于拍摄设备的微型超薄自动和电动对焦装置 |
US20100265475A1 (en) * | 2009-04-15 | 2010-10-21 | Samsung Electronics Co., Ltd. | Focus control device for beam projector |
CN102129160A (zh) * | 2010-01-19 | 2011-07-20 | 三星电子株式会社 | 用于光束投影仪的聚焦控制装置 |
CN201926858U (zh) * | 2010-12-31 | 2011-08-10 | 深圳展景世纪科技有限公司 | 一种投影机 |
CN102621792A (zh) * | 2011-01-31 | 2012-08-01 | 亚洲光学股份有限公司 | 投影机的自动对焦系统 |
CN202771144U (zh) * | 2012-06-28 | 2013-03-06 | 李黄雨 | 一种自动调焦的投影仪 |
CN203573076U (zh) * | 2013-09-29 | 2014-04-30 | 深圳市天辅乘云科技有限公司 | 具有自动调焦功能的投影机光机 |
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- 2013-09-29 CN CN201310460497.0A patent/CN103576436A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2760610Y (zh) * | 2004-08-19 | 2006-02-22 | 葛大庆 | 用于拍摄设备的微型超薄自动和电动对焦装置 |
US20100265475A1 (en) * | 2009-04-15 | 2010-10-21 | Samsung Electronics Co., Ltd. | Focus control device for beam projector |
CN102129160A (zh) * | 2010-01-19 | 2011-07-20 | 三星电子株式会社 | 用于光束投影仪的聚焦控制装置 |
CN201926858U (zh) * | 2010-12-31 | 2011-08-10 | 深圳展景世纪科技有限公司 | 一种投影机 |
CN102621792A (zh) * | 2011-01-31 | 2012-08-01 | 亚洲光学股份有限公司 | 投影机的自动对焦系统 |
CN202771144U (zh) * | 2012-06-28 | 2013-03-06 | 李黄雨 | 一种自动调焦的投影仪 |
CN203573076U (zh) * | 2013-09-29 | 2014-04-30 | 深圳市天辅乘云科技有限公司 | 具有自动调焦功能的投影机光机 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104460216A (zh) * | 2014-11-19 | 2015-03-25 | 成都布林特信息技术有限公司 | 一种新型的幻灯机数控机械传动机构 |
CN107145028A (zh) * | 2017-06-29 | 2017-09-08 | 环球智达科技(北京)有限公司 | 光电投射镜头模组 |
CN110319782A (zh) * | 2018-03-30 | 2019-10-11 | 中强光电股份有限公司 | 投影装置、齿隙检测系统及其方法 |
CN110319782B (zh) * | 2018-03-30 | 2021-06-08 | 中强光电股份有限公司 | 投影装置、齿隙检测系统及其方法 |
US11300867B2 (en) | 2018-03-30 | 2022-04-12 | Coretronic Corporation | Projection apparatus, backlash detecting system and method thereof |
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Free format text: CORRECT: ADDRESS; FROM: 362300 QUANZHOU, FUJIAN PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
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TA01 | Transfer of patent application right |
Effective date of registration: 20141224 Address after: 518000, Parkson building, No. 14 Longcheng Road, Longcheng street, Longgang District, Guangdong, Shenzhen, 808 Applicant after: SHENZHEN TIANFU CHENGYUN TECHNOLOGY CO., LTD. Address before: 362300, Fujian Province, Nanan City, when the village of gold Amoy Village tower No. 111 Applicant before: Huang Chengwei |
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