DE69819248T2 - Kamera mit automatischer Fokuseinstellung und TTL Blitzkontrolle - Google Patents

Kamera mit automatischer Fokuseinstellung und TTL Blitzkontrolle Download PDF

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Publication number
DE69819248T2
DE69819248T2 DE69819248T DE69819248T DE69819248T2 DE 69819248 T2 DE69819248 T2 DE 69819248T2 DE 69819248 T DE69819248 T DE 69819248T DE 69819248 T DE69819248 T DE 69819248T DE 69819248 T2 DE69819248 T2 DE 69819248T2
Authority
DE
Germany
Prior art keywords
light
focus
flash
camera
sensor
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 - Lifetime
Application number
DE69819248T
Other languages
German (de)
English (en)
Other versions
DE69819248D1 (de
Inventor
Katsunori Ohta-ku Nakamura
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
Publication of DE69819248D1 publication Critical patent/DE69819248D1/de
Application granted granted Critical
Publication of DE69819248T2 publication Critical patent/DE69819248T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
DE69819248T 1997-07-31 1998-07-30 Kamera mit automatischer Fokuseinstellung und TTL Blitzkontrolle Expired - Lifetime DE69819248T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20658097 1997-07-31
JP20658097A JP3927655B2 (ja) 1997-07-31 1997-07-31 カメラ

Publications (2)

Publication Number Publication Date
DE69819248D1 DE69819248D1 (de) 2003-12-04
DE69819248T2 true DE69819248T2 (de) 2004-07-29

Family

ID=16525765

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69819248T Expired - Lifetime DE69819248T2 (de) 1997-07-31 1998-07-30 Kamera mit automatischer Fokuseinstellung und TTL Blitzkontrolle

Country Status (4)

Country Link
US (1) US6035139A (enExample)
EP (1) EP0895117B1 (enExample)
JP (1) JP3927655B2 (enExample)
DE (1) DE69819248T2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4018218B2 (ja) * 1997-12-25 2007-12-05 キヤノン株式会社 光学装置及び測距点選択方法
JP4124874B2 (ja) * 1998-08-31 2008-07-23 キヤノン株式会社 カメラ
US6240252B1 (en) * 1998-09-14 2001-05-29 Minolta Co., Ltd. Camera
US6240253B1 (en) * 1998-09-14 2001-05-29 Minolta Co., Ltd. Automatic focusing camera
JP4756721B2 (ja) * 1999-05-17 2011-08-24 キヤノン株式会社 カメラの焦点検出装置
US6949883B2 (en) 2001-12-06 2005-09-27 Seiko Epson Corporation Electro-optical device and an electronic apparatus
US7469099B2 (en) * 2004-06-15 2008-12-23 Canon Kabushiki Kaisha Image-taking apparatus and focusing method
US7855636B2 (en) * 2007-09-19 2010-12-21 Honeywell International Inc. Method for dynamically adjusting the sensitivity of a sensor in a security system
CN105847670B (zh) 2015-02-04 2019-06-21 佳能株式会社 电子设备、摄像控制装置及其控制方法
JP6562643B2 (ja) * 2015-02-04 2019-08-21 キヤノン株式会社 撮像制御装置およびその制御方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312337U (enExample) * 1976-07-14 1978-02-01
JP2704960B2 (ja) * 1988-05-20 1998-01-26 キヤノン株式会社 カメラ
US5111231A (en) * 1989-07-27 1992-05-05 Canon Kabushiki Kaisha Camera system
DE4100481A1 (de) * 1991-01-10 1992-07-16 Schickedanz Willi Teilbereichs-messeinrichtung fuer eine kamera
JPH04257830A (ja) * 1991-02-12 1992-09-14 Nikon Corp カメラの閃光調光制御装置
JPH04355733A (ja) * 1991-06-03 1992-12-09 Nikon Corp カメラの自動調光装置

Also Published As

Publication number Publication date
US6035139A (en) 2000-03-07
EP0895117A1 (en) 1999-02-03
JPH1152447A (ja) 1999-02-26
DE69819248D1 (de) 2003-12-04
EP0895117B1 (en) 2003-10-29
JP3927655B2 (ja) 2007-06-13

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