TW200841115A - Projection lens with a shading element - Google Patents

Projection lens with a shading element Download PDF

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Publication number
TW200841115A
TW200841115A TW96112908A TW96112908A TW200841115A TW 200841115 A TW200841115 A TW 200841115A TW 96112908 A TW96112908 A TW 96112908A TW 96112908 A TW96112908 A TW 96112908A TW 200841115 A TW200841115 A TW 200841115A
Authority
TW
Taiwan
Prior art keywords
cylinder
ring
disposed
lens
projection lens
Prior art date
Application number
TW96112908A
Other languages
English (en)
Chinese (zh)
Other versions
TWI325094B (https=
Inventor
Ming-Hsin Chang
Original Assignee
Asia Optical Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asia Optical Co Inc filed Critical Asia Optical Co Inc
Priority to TW96112908A priority Critical patent/TW200841115A/zh
Publication of TW200841115A publication Critical patent/TW200841115A/zh
Application granted granted Critical
Publication of TWI325094B publication Critical patent/TWI325094B/zh

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Landscapes

  • Projection Apparatus (AREA)
  • Lens Barrels (AREA)
TW96112908A 2007-04-12 2007-04-12 Projection lens with a shading element TW200841115A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW96112908A TW200841115A (en) 2007-04-12 2007-04-12 Projection lens with a shading element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW96112908A TW200841115A (en) 2007-04-12 2007-04-12 Projection lens with a shading element

Publications (2)

Publication Number Publication Date
TW200841115A true TW200841115A (en) 2008-10-16
TWI325094B TWI325094B (https=) 2010-05-21

Family

ID=44821433

Family Applications (1)

Application Number Title Priority Date Filing Date
TW96112908A TW200841115A (en) 2007-04-12 2007-04-12 Projection lens with a shading element

Country Status (1)

Country Link
TW (1) TW200841115A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103383519A (zh) * 2013-07-12 2013-11-06 深圳雅图数字视频技术有限公司 一种对比度调节系统及具有该系统的投影机
CN109538898A (zh) * 2018-06-13 2019-03-29 幻想动力(上海)文化传播有限公司 支撑组件及拍摄设备

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103383519A (zh) * 2013-07-12 2013-11-06 深圳雅图数字视频技术有限公司 一种对比度调节系统及具有该系统的投影机
CN103383519B (zh) * 2013-07-12 2016-01-27 深圳雅图数字视频技术有限公司 一种对比度调节系统及具有该系统的投影机
CN109538898A (zh) * 2018-06-13 2019-03-29 幻想动力(上海)文化传播有限公司 支撑组件及拍摄设备

Also Published As

Publication number Publication date
TWI325094B (https=) 2010-05-21

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees