JP4438056B2 - 光量調節部材の製造方法 - Google Patents

光量調節部材の製造方法 Download PDF

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Publication number
JP4438056B2
JP4438056B2 JP2004178536A JP2004178536A JP4438056B2 JP 4438056 B2 JP4438056 B2 JP 4438056B2 JP 2004178536 A JP2004178536 A JP 2004178536A JP 2004178536 A JP2004178536 A JP 2004178536A JP 4438056 B2 JP4438056 B2 JP 4438056B2
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JP
Japan
Prior art keywords
liquid
layer
light
light amount
transparent
Prior art date
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Expired - Fee Related
Application number
JP2004178536A
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English (en)
Japanese (ja)
Other versions
JP2005037912A (ja
JP2005037912A5 (enExample
Inventor
修 鹿目
隆司 葛城
健 宮崎
一朗 大貫
英利子 鯰江
耕平 渡辺
昭夫 柏崎
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP2004178536A priority Critical patent/JP4438056B2/ja
Priority to US10/872,503 priority patent/US7070344B2/en
Publication of JP2005037912A publication Critical patent/JP2005037912A/ja
Publication of JP2005037912A5 publication Critical patent/JP2005037912A5/ja
Application granted granted Critical
Publication of JP4438056B2 publication Critical patent/JP4438056B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/205—Neutral density filters
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Diaphragms For Cameras (AREA)
  • Blocking Light For Cameras (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
JP2004178536A 2003-06-26 2004-06-16 光量調節部材の製造方法 Expired - Fee Related JP4438056B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004178536A JP4438056B2 (ja) 2003-06-26 2004-06-16 光量調節部材の製造方法
US10/872,503 US7070344B2 (en) 2003-06-26 2004-06-22 Production process of light amount adjustment member, light amount adjustment device and photographing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003182235 2003-06-26
JP2004178536A JP4438056B2 (ja) 2003-06-26 2004-06-16 光量調節部材の製造方法

Publications (3)

Publication Number Publication Date
JP2005037912A JP2005037912A (ja) 2005-02-10
JP2005037912A5 JP2005037912A5 (enExample) 2007-07-26
JP4438056B2 true JP4438056B2 (ja) 2010-03-24

Family

ID=34220289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004178536A Expired - Fee Related JP4438056B2 (ja) 2003-06-26 2004-06-16 光量調節部材の製造方法

Country Status (2)

Country Link
US (1) US7070344B2 (enExample)
JP (1) JP4438056B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3893391B2 (ja) * 2003-08-05 2007-03-14 キヤノン株式会社 Ｎｄフィルタの製造方法
CN1979321A (zh) * 2005-12-02 2007-06-13 鸿富锦精密工业（深圳）有限公司 光圈及其制作方法
JP4187758B2 (ja) * 2006-06-26 2008-11-26 ニスカ株式会社 光量調整装置
US20080089679A1 (en) * 2006-10-11 2008-04-17 Lg Electronics Inc. Iris for photographing apparatus
JPWO2011007435A1 (ja) * 2009-07-16 2012-12-20 株式会社山野光学 開口絞り
KR20140001985A (ko) * 2011-01-20 2014-01-07 가부시키가이샤 야마노고가쿠 조명용 개구 조리개
EP3343897B1 (en) 2016-12-28 2019-08-21 Axis AB Camera and method of producing color images
EP3343894B1 (en) 2016-12-28 2018-10-31 Axis AB Ir-filter arrangement
EP3343287B1 (en) 2016-12-28 2018-11-21 Axis AB A method for sequential control of ir-filter, and an assembly performing such method
US20210103586A1 (en) * 2019-10-07 2021-04-08 International Business Machines Corporation Ontology-based query routing for distributed knowledge bases

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0455838A (ja) * 1990-06-25 1992-02-24 Sony Corp ビデオカメラ
EP0498617B1 (en) * 1991-02-07 1998-05-06 Matsushita Electric Industrial Co., Ltd. Digital signal transmitting and reproducing method and apparatus therefor
JPH05173004A (ja) 1991-12-20 1993-07-13 Canon Electron Inc Ｎｄフィルタの製造方法と絞り装置
US5479298A (en) 1991-12-20 1995-12-26 Canon Denshi Kabushiki Kaisha ND filter and aperture device using the same
JP2771078B2 (ja) 1992-09-17 1998-07-02 キヤノン電子株式会社 光量絞り装置用ｎｄフィルター
JP3221764B2 (ja) 1993-03-18 2001-10-22 キヤノン株式会社 合成樹脂製光学部品の反射防止膜
US5725959A (en) 1993-03-18 1998-03-10 Canon Kabushiki Kaisha Antireflection film for plastic optical element
JPH07191355A (ja) 1993-12-27 1995-07-28 Canon Inc 像ぶれ防止のための制御装置
US6091448A (en) 1993-12-27 2000-07-18 Canon Kabushiki Kaisha Apparatus for preventing an image blur prevention device from changing states during an image recording operation
JPH1096971A (ja) 1996-09-20 1998-04-14 Canon Electron Inc 光学絞り用ｎｄフィルターの製造方法と絞り装置
JPH10133254A (ja) 1996-10-31 1998-05-22 Canon Electron Inc 光量絞り装置
JP3736047B2 (ja) 1997-06-23 2006-01-18 ソニー株式会社 撮影レンズの絞り装置
JP4273372B2 (ja) * 1998-07-31 2009-06-03 ソニー株式会社 撮像装置
JP2000352736A (ja) 1999-06-10 2000-12-19 Sony Corp 撮影レンズの絞り装置
EP1445648A4 (en) * 2001-10-12 2009-08-05 Canon Kk DEVICE FOR CONTROLLING THE LIGHT QUANTITY AND OPTICAL SYSTEM COMPRISING SAID DEVICE, AND VIEWING DEVICE
US6866431B2 (en) * 2002-02-19 2005-03-15 Canon Kabushiki Kaisha Light amount adjustment apparatus, manufacturing method, and photographing apparatus

Also Published As

Publication number Publication date
JP2005037912A (ja) 2005-02-10
US7070344B2 (en) 2006-07-04
US20050008358A1 (en) 2005-01-13

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