DE69127723D1 - Automatische Blitzbegrenzungsvorrichtung in einer Kamera - Google Patents

Automatische Blitzbegrenzungsvorrichtung in einer Kamera

Info

Publication number
DE69127723D1
DE69127723D1 DE69127723T DE69127723T DE69127723D1 DE 69127723 D1 DE69127723 D1 DE 69127723D1 DE 69127723 T DE69127723 T DE 69127723T DE 69127723 T DE69127723 T DE 69127723T DE 69127723 D1 DE69127723 D1 DE 69127723D1
Authority
DE
Germany
Prior art keywords
camera
limitation device
automatic flash
flash
automatic
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
DE69127723T
Other languages
English (en)
Other versions
DE69127723T2 (de
Inventor
Tadao Takagi
Norikazu Yokonuma
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.)
Nikon Corp
Original Assignee
Nikon 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
Priority claimed from JP2165553A external-priority patent/JPH0455837A/ja
Priority claimed from JP2284209A external-priority patent/JP2985099B2/ja
Application filed by Nikon Corp filed Critical Nikon Corp
Application granted granted Critical
Publication of DE69127723D1 publication Critical patent/DE69127723D1/de
Publication of DE69127723T2 publication Critical patent/DE69127723T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09974—Through the lens [TTL] measuring in mirror-reflex cameras using the film or shutter as sensor light reflecting member
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09979—Multi-zone light measuring
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • G03B7/17—Selection of modes in flash units by exposure control arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
DE69127723T 1990-06-26 1991-06-25 Automatische Blitzbegrenzungsvorrichtung in einer Kamera Expired - Fee Related DE69127723T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2165553A JPH0455837A (ja) 1990-06-26 1990-06-26 カメラの自動調光装置
JP2284209A JP2985099B2 (ja) 1990-10-24 1990-10-24 発光制御装置

Publications (2)

Publication Number Publication Date
DE69127723D1 true DE69127723D1 (de) 1997-10-30
DE69127723T2 DE69127723T2 (de) 1998-01-29

Family

ID=26490256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127723T Expired - Fee Related DE69127723T2 (de) 1990-06-26 1991-06-25 Automatische Blitzbegrenzungsvorrichtung in einer Kamera

Country Status (3)

Country Link
US (1) US5371568A (de)
EP (1) EP0464602B1 (de)
DE (1) DE69127723T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268730A (en) * 1990-03-19 1993-12-07 Nikon Corporation Automatic light modulating camera
JPH0667257A (ja) * 1992-08-18 1994-03-11 Nikon Corp Ｔｔｌ自動調光制御装置
US5717962A (en) * 1994-07-19 1998-02-10 Olympus Optical Co., Ltd. Electric flash apparatus using MOS controlled thyristor
JP3591009B2 (ja) * 1994-11-01 2004-11-17 株式会社ニコン Ｔｔｌ自動調光制御装置
US6094536A (en) * 1995-07-21 2000-07-25 Canon Kabushiki Kaisha Flash photography system using preliminary emission and controlled main emission
DE69638350D1 (de) 1995-09-28 2011-05-19 Canon Kk Bilderzeugungsgerät
KR100189814B1 (ko) * 1996-01-23 1999-06-01 이해규 인터라인형 시시디 카메라의 플레시 제어 방법
US6151073A (en) * 1996-03-28 2000-11-21 Fotonation, Inc. Intelligent camera flash system
JP4006091B2 (ja) * 1998-04-22 2007-11-14 キヤノン株式会社 異常大電流発生防止装置を有するカメラシステムおよび交換レンズ
JP2007020125A (ja) * 2005-07-11 2007-01-25 Canon Inc 撮像装置
JP4840688B2 (ja) * 2005-12-09 2011-12-21 カシオ計算機株式会社 撮像装置及びそのプログラム
JP5228318B2 (ja) * 2006-12-07 2013-07-03 株式会社ニコン カメラおよび発光量演算プログラム
US20090180771A1 (en) * 2008-01-14 2009-07-16 Ming-Chang Liu Camera for shooting like a professional
US8391702B2 (en) 2010-12-17 2013-03-05 Research In Motion Limited Reduced pre-flash for LED flash based camera devices
JP6103985B2 (ja) * 2012-04-10 2017-03-29 キヤノン株式会社 ファインダー光学系及びそれを有する撮像装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5689728A (en) * 1979-12-24 1981-07-21 Minolta Camera Co Ltd Electronic control flash device
US4473285A (en) * 1981-11-27 1984-09-25 W. Haking Enterprises Limited Automatic focusing camera
JPS6015626A (ja) * 1983-07-08 1985-01-26 Fuji Photo Film Co Ltd オ−トストロボ装置
US4592639A (en) * 1984-04-24 1986-06-03 Olympus Optical Co., Ltd. Electronic flash units
US4897684A (en) * 1985-07-06 1990-01-30 Ricoh Company, Ltd. Auto-flash photographing system
DE3637645C3 (de) * 1986-11-05 1997-06-05 Studiotechnik W Hensel Gmbh & Blitzgerät für fotografische Zwecke, insbesondere Blitzlampe und -generator für Studio- und Außenaufnahmen
JPS6417033A (en) * 1987-07-10 1989-01-20 Minolta Camera Kk Automatic dimming system flash device
JPH01285925A (ja) * 1988-05-13 1989-11-16 Nikon Corp カメラ
US4999663A (en) * 1988-12-09 1991-03-12 Olympus Optical Co., Ltd. Flash device
US5268730A (en) * 1990-03-19 1993-12-07 Nikon Corporation Automatic light modulating camera
JPH0615626A (ja) * 1992-07-02 1994-01-25 Kiyoko Watanabe コンクリート製品の表出面に自然石面を現出する成形方法

Also Published As

Publication number Publication date
DE69127723T2 (de) 1998-01-29
EP0464602A3 (en) 1992-07-08
EP0464602A2 (de) 1992-01-08
US5371568A (en) 1994-12-06
EP0464602B1 (de) 1997-09-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee