DE69132964D1 - Automatisches TTL-Lichtkontrollsystem einer Kamera - Google Patents

Automatisches TTL-Lichtkontrollsystem einer Kamera

Info

Publication number
DE69132964D1
DE69132964D1 DE69132964T DE69132964T DE69132964D1 DE 69132964 D1 DE69132964 D1 DE 69132964D1 DE 69132964 T DE69132964 T DE 69132964T DE 69132964 T DE69132964 T DE 69132964T DE 69132964 D1 DE69132964 D1 DE 69132964D1
Authority
DE
Germany
Prior art keywords
camera
control system
light control
ttl light
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
DE69132964T
Other languages
English (en)
Other versions
DE69132964T2 (de
Inventor
Seiichi Yasukawa
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
Application filed by Nikon Corp filed Critical Nikon Corp
Application granted granted Critical
Publication of DE69132964D1 publication Critical patent/DE69132964D1/de
Publication of DE69132964T2 publication Critical patent/DE69132964T2/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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • 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
    • 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
DE69132964T 1990-04-04 1991-04-04 Automatisches TTL-Lichtkontrollsystem einer Kamera Expired - Fee Related DE69132964T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8837590 1990-04-04
JP2166709A JPH04420A (ja) 1990-04-04 1990-06-27 Ｔｔｌ自動調光カメラシステムおよびカメラ本体および閃光発光器

Publications (2)

Publication Number Publication Date
DE69132964D1 true DE69132964D1 (de) 2002-04-25
DE69132964T2 DE69132964T2 (de) 2002-09-19

Family

ID=26429764

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69113668T Expired - Fee Related DE69113668T2 (de) 1990-04-04 1991-04-04 Automatisches TTL-Lichtkontrollsystem einer Kamera.
DE69132964T Expired - Fee Related DE69132964T2 (de) 1990-04-04 1991-04-04 Automatisches TTL-Lichtkontrollsystem einer Kamera

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69113668T Expired - Fee Related DE69113668T2 (de) 1990-04-04 1991-04-04 Automatisches TTL-Lichtkontrollsystem einer Kamera.

Country Status (3)

Country Link
EP (2) EP0450953B1 (de)
JP (1) JPH04420A (de)
DE (2) DE69113668T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5521738A (en) * 1994-06-30 1996-05-28 At&T Corp. Data encoded optical pulse generator
US6195127B1 (en) * 1996-07-18 2001-02-27 Sanyo Electric Co., Ltd. Digital camera, having a flash unit, which determines proper flash duration through an assessment of image luminance and, where needed, a preliminary flash emission
JP2000147617A (ja) * 1998-09-10 2000-05-26 Konica Corp 固定焦点カメラ
CN102854711A (zh) 2011-06-30 2013-01-02 株式会社尼康 附件、相机、附件插座、及连接器
JP5310901B2 (ja) * 2011-06-30 2013-10-09 株式会社ニコン アクセサリー、カメラ、アクセサリーシュー、及びコネクター

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2036345B (en) * 1978-12-09 1983-01-06 Canon Kk Digital exposure control system for a camera
US4359275A (en) * 1979-12-21 1982-11-16 Nippon Kogaku K.K. Single lens reflex camera system capable of TTL flash output control
US4373793A (en) * 1980-08-04 1983-02-15 Minolta Camera Co., Ltd. Light measuring device for flash photography
JPS6132041A (ja) * 1984-07-24 1986-02-14 Olympus Optical Co Ltd Ｔｔｌオ−トストロボ制御装置
US4746947A (en) * 1985-02-25 1988-05-24 Minolta Camera Kabushiki Kaisha Exposure calculating device
EP0426201B1 (de) * 1986-12-09 1996-11-13 Asahi Kogaku Kogyo Kabushiki Kaisha Auswechselbare Kamera und auswechselbare Blitzvorrichtung

Also Published As

Publication number Publication date
DE69113668T2 (de) 1996-05-09
DE69132964T2 (de) 2002-09-19
EP0662629B1 (de) 2002-03-20
DE69113668D1 (de) 1995-11-16
EP0662629A1 (de) 1995-07-12
EP0450953B1 (de) 1995-10-11
EP0450953A1 (de) 1991-10-09
JPH04420A (ja) 1992-01-06

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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