TW200632418A - A luminance adjustment device and projector device using the same - Google Patents

A luminance adjustment device and projector device using the same

Info

Publication number
TW200632418A
TW200632418A TW094128298A TW94128298A TW200632418A TW 200632418 A TW200632418 A TW 200632418A TW 094128298 A TW094128298 A TW 094128298A TW 94128298 A TW94128298 A TW 94128298A TW 200632418 A TW200632418 A TW 200632418A
Authority
TW
Taiwan
Prior art keywords
light
luminance adjustment
light source
projector device
adjustment device
Prior art date
Application number
TW094128298A
Other languages
English (en)
Inventor
Masahide Shirasu
Kazuhiro Fukasawa
Ikira Hakozaki
Sumio Takeuchi
Original Assignee
Nisca Corp
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 Nisca Corp filed Critical Nisca Corp
Publication of TW200632418A publication Critical patent/TW200632418A/zh

Links

Classifications

    • G—PHYSICS
    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G—PHYSICS
    • 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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light
    • G—PHYSICS
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3152—Modulator illumination systems for shaping the light beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Projection Apparatus (AREA)
  • Diaphragms For Cameras (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
TW094128298A 2005-03-10 2005-08-19 A luminance adjustment device and projector device using the same TW200632418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005067401A JP2006251333A (ja) 2005-03-10 2005-03-10 光量調整装置及びこれを用いたプロジェクタ装置

Publications (1)

Publication Number Publication Date
TW200632418A true TW200632418A (en) 2006-09-16

Family

ID=36970466

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094128298A TW200632418A (en) 2005-03-10 2005-08-19 A luminance adjustment device and projector device using the same

Country Status (4)

Country Link
US (1) US7287864B2 (zh)
JP (1) JP2006251333A (zh)
CN (1) CN100524002C (zh)
TW (1) TW200632418A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI594923B (zh) * 2015-09-18 2017-08-11 英華達股份有限公司 拍攝儀、拍攝方法及無人飛行器

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7210795B2 (en) * 2004-05-31 2007-05-01 Nisca Corporation Light quantity adjusting device and projector apparatus using the same
TWI258019B (en) * 2005-01-25 2006-07-11 Benq Corp Projection optical system
JP2006251333A (ja) * 2005-03-10 2006-09-21 Nisca Corp 光量調整装置及びこれを用いたプロジェクタ装置
JP2006337801A (ja) * 2005-06-03 2006-12-14 Mitsubishi Electric Corp 投射型映像表示装置、投射型マルチ映像表示装置及びそれらの映像表示方法
JP4904741B2 (ja) 2005-08-09 2012-03-28 株式会社日立製作所 投射型映像表示装置および遮光方法
JP4003790B2 (ja) * 2005-08-23 2007-11-07 セイコーエプソン株式会社 光学絞り装置、およびプロジェクタ
TWI307444B (en) * 2006-07-20 2009-03-11 Coretronic Corp Imaging system and projection apparatus
US7907321B2 (en) 2007-02-08 2011-03-15 Canon Kabushiki Kaisha Light-amount adjusting apparatus, optical apparatus, and method for manufacturing the light-amount adjusting apparatus
JP4271242B2 (ja) * 2007-03-09 2009-06-03 三菱電機株式会社 絞り駆動装置及び投写型画像表示装置
JP4692504B2 (ja) * 2007-03-27 2011-06-01 株式会社デンソー 可視光レーザビーム照射システム、および、車両に可視光レーザビーム照射装置を搭載する方法
CN100593736C (zh) * 2008-01-23 2010-03-10 北京星光影视设备科技股份有限公司 一种光闸
TWI361332B (en) * 2008-03-24 2012-04-01 Coretronic Corp Projection optical system and light amount adjusting component used in the same
JP5300297B2 (ja) * 2008-03-27 2013-09-25 日本電産コパル株式会社 プロジェクタ用絞り装置
JP5380028B2 (ja) 2008-09-25 2014-01-08 日立コンシューマエレクトロニクス株式会社 投射型映像表示装置および投射方法
WO2011085732A1 (en) * 2010-01-18 2011-07-21 Martin Professional A/S Light beam framing system with merged shutter blades
US20140085900A1 (en) * 2012-09-25 2014-03-27 Mountain Springs Holdings, LLC. Adjustable Framing Projector
JP6419480B2 (ja) * 2014-07-30 2018-11-07 株式会社クリプトン マルチプロジェクション装置
CN104460182B (zh) * 2014-12-26 2018-04-27 东莞市山形光学有限公司 遮光圈的处理方法及遮光圈
CN105137697A (zh) * 2015-09-18 2015-12-09 中山联合光电科技股份有限公司 一种口径大、厚度薄的电磁式光圈装置
WO2019117237A1 (ja) * 2017-12-13 2019-06-20 パナソニックＩｐマネジメント株式会社 遮光ユニットおよびこれを備えたレンズ鏡筒、可動羽根の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56117730U (zh) * 1980-02-08 1981-09-09
US5442484A (en) * 1992-01-06 1995-08-15 Mitsubishi Denki Kabushiki Kaisha Retro-focus type lens and projection-type display apparatus
US5537166A (en) * 1995-05-23 1996-07-16 Eastman Kodak Company External projection lens aperture
US5729783A (en) * 1997-01-21 1998-03-17 Eastman Kodak Company Stretched diaphragm aperture for an optical system
JP2006251333A (ja) * 2005-03-10 2006-09-21 Nisca Corp 光量調整装置及びこれを用いたプロジェクタ装置
JP2007003839A (ja) * 2005-06-23 2007-01-11 Cam Co Ltd 光遮蔽用耐熱シート材及びこのシート材を用いた光量調整装置並びにプロジェクタ装置
JP4003790B2 (ja) * 2005-08-23 2007-11-07 セイコーエプソン株式会社 光学絞り装置、およびプロジェクタ
JP4325618B2 (ja) * 2005-12-29 2009-09-02 セイコーエプソン株式会社 光学絞り装置、プロジェクタ、補正パラメータ校正装置、および補正パラメータ校正方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI594923B (zh) * 2015-09-18 2017-08-11 英華達股份有限公司 拍攝儀、拍攝方法及無人飛行器

Also Published As

Publication number Publication date
US7287864B2 (en) 2007-10-30
CN1831633A (zh) 2006-09-13
JP2006251333A (ja) 2006-09-21
CN100524002C (zh) 2009-08-05
US20060203210A1 (en) 2006-09-14

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