JP5212161B2 - プロジェクター - Google Patents

プロジェクター Download PDF

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Publication number
JP5212161B2
JP5212161B2 JP2009034906A JP2009034906A JP5212161B2 JP 5212161 B2 JP5212161 B2 JP 5212161B2 JP 2009034906 A JP2009034906 A JP 2009034906A JP 2009034906 A JP2009034906 A JP 2009034906A JP 5212161 B2 JP5212161 B2 JP 5212161B2
Authority
JP
Japan
Prior art keywords
light
light shielding
projector
shielding plate
priority mode
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2009034906A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010191139A (ja
JP2010191139A5 (https=
Inventor
昌和 河村
大輔 林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2009034906A priority Critical patent/JP5212161B2/ja
Priority to US12/699,449 priority patent/US8398248B2/en
Publication of JP2010191139A publication Critical patent/JP2010191139A/ja
Publication of JP2010191139A5 publication Critical patent/JP2010191139A5/ja
Application granted granted Critical
Publication of JP5212161B2 publication Critical patent/JP5212161B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
JP2009034906A 2009-02-18 2009-02-18 プロジェクター Expired - Fee Related JP5212161B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009034906A JP5212161B2 (ja) 2009-02-18 2009-02-18 プロジェクター
US12/699,449 US8398248B2 (en) 2009-02-18 2010-02-03 Projector that operates in a brightness priority mode and in a contrast priority mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009034906A JP5212161B2 (ja) 2009-02-18 2009-02-18 プロジェクター

Publications (3)

Publication Number Publication Date
JP2010191139A JP2010191139A (ja) 2010-09-02
JP2010191139A5 JP2010191139A5 (https=) 2012-01-19
JP5212161B2 true JP5212161B2 (ja) 2013-06-19

Family

ID=42559620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009034906A Expired - Fee Related JP5212161B2 (ja) 2009-02-18 2009-02-18 プロジェクター

Country Status (2)

Country Link
US (1) US8398248B2 (https=)
JP (1) JP5212161B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2011007453A1 (ja) * 2009-07-17 2012-12-20 Ｎｅｃディスプレイソリューションズ株式会社 絞り制御回路、プロジェクター装置、絞り制御プログラム及び絞り制御方法
JP5861324B2 (ja) 2011-08-30 2016-02-16 セイコーエプソン株式会社 プロジェクター、及び、プロジェクターの制御方法
JP6078976B2 (ja) * 2012-04-12 2017-02-15 セイコーエプソン株式会社 プロジェクター
JP6201358B2 (ja) 2013-03-22 2017-09-27 セイコーエプソン株式会社 画像処理装置、プロジェクター及び画像処理方法
CN108600720B (zh) * 2018-07-18 2024-02-20 中国电影器材有限责任公司 一种用于图像信号hdr投影的光源、装置、系统及方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002049075A (ja) 2000-05-25 2002-02-15 Fuji Photo Film Co Ltd カメラの絞り切り替え装置
US6442343B2 (en) * 2000-05-25 2002-08-27 Fuji Photo Film Co., Ltd. Exposure control device for camera
JP4075509B2 (ja) 2002-08-06 2008-04-16 セイコーエプソン株式会社 照明光学装置および照明光学装置を備えたプロジェクタ
JP4158611B2 (ja) * 2002-09-06 2008-10-01 株式会社日立製作所 投射型映像表示装置
JP4254442B2 (ja) * 2002-10-11 2009-04-15 セイコーエプソン株式会社 照明装置及びプロジェクタ
JP4013979B2 (ja) * 2003-09-10 2007-11-28 松下電器産業株式会社 投射型表示装置
JP2005292764A (ja) 2004-09-09 2005-10-20 Nisca Corp 光量調節装置及びこれを用いたプロジェクタ
US7344255B2 (en) * 2004-04-01 2008-03-18 Nisca Corporation Light amount adjusting apparatus and projector using the same
JP4353151B2 (ja) * 2004-09-08 2009-10-28 セイコーエプソン株式会社 プロジェクタ
JP2007071913A (ja) 2005-09-02 2007-03-22 Seiko Epson Corp プロジェクタ
JP5140914B2 (ja) 2005-09-27 2013-02-13 株式会社Ｊｖｃケンウッド 画像表示装置
JP2007199432A (ja) * 2006-01-27 2007-08-09 Hitachi Ltd 光学ユニット及びこれを用いた投射型表示装置
JP2007219049A (ja) * 2006-02-15 2007-08-30 Seiko Epson Corp プロジェクタ

Also Published As

Publication number Publication date
JP2010191139A (ja) 2010-09-02
US20100208214A1 (en) 2010-08-19
US8398248B2 (en) 2013-03-19

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