JPS6478240A - Automatic focusing and automatic exposure camera - Google Patents

Automatic focusing and automatic exposure camera

Info

Publication number
JPS6478240A
JPS6478240A JP62234574A JP23457487A JPS6478240A JP S6478240 A JPS6478240 A JP S6478240A JP 62234574 A JP62234574 A JP 62234574A JP 23457487 A JP23457487 A JP 23457487A JP S6478240 A JPS6478240 A JP S6478240A
Authority
JP
Japan
Prior art keywords
automatic focusing
automatic
release button
switching means
state
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.)
Granted
Application number
JP62234574A
Other languages
English (en)
Other versions
JP2512007B2 (ja
Inventor
Ryuichi Kobayashi
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 JP62234574A priority Critical patent/JP2512007B2/ja
Priority to US07/243,700 priority patent/US4887117A/en
Publication of JPS6478240A publication Critical patent/JPS6478240A/ja
Application granted granted Critical
Publication of JP2512007B2 publication Critical patent/JP2512007B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus 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
    • G03B7/091—Digital circuits
    • 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
    • G03B7/091—Digital circuits
    • G03B7/097—Digital circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Automatic Focus Adjustment (AREA)
  • Exposure Control For Cameras (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
JP62234574A 1987-09-18 1987-09-18 自動焦点自動露出カメラ Expired - Fee Related JP2512007B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62234574A JP2512007B2 (ja) 1987-09-18 1987-09-18 自動焦点自動露出カメラ
US07/243,700 US4887117A (en) 1987-09-18 1988-09-13 Camera having auto-focus device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62234574A JP2512007B2 (ja) 1987-09-18 1987-09-18 自動焦点自動露出カメラ

Publications (2)

Publication Number Publication Date
JPS6478240A true JPS6478240A (en) 1989-03-23
JP2512007B2 JP2512007B2 (ja) 1996-07-03

Family

ID=16973148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62234574A Expired - Fee Related JP2512007B2 (ja) 1987-09-18 1987-09-18 自動焦点自動露出カメラ

Country Status (2)

Country Link
US (1) US4887117A (ja)
JP (1) JP2512007B2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192966A (en) * 1986-03-31 1993-03-09 Minolta Camera Kabushiki Kaisha Automatic focus control device
US5128704A (en) * 1988-10-04 1992-07-07 Canon Kabushiki Kaisha Camera having information or function setting device
JPH02308233A (ja) * 1989-05-24 1990-12-21 Minolta Camera Co Ltd 自動焦点調節カメラ
JP2594472B2 (ja) * 1989-09-04 1997-03-26 旭光学工業株式会社 オートフォーカスカメラ
JP3015057B2 (ja) * 1989-12-28 2000-02-28 キヤノン株式会社 カメラ
JPH07159670A (ja) * 1993-12-01 1995-06-23 Canon Inc 多点焦点検出装置
JP4444718B2 (ja) * 2004-04-07 2010-03-31 フジノン株式会社 オートフォーカスシステム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161838A (en) * 1981-03-31 1982-10-05 Canon Inc Focus detector of camera
JPS5888727A (ja) * 1981-11-20 1983-05-26 Canon Inc 自動焦点カメラ
US4693582A (en) * 1982-02-02 1987-09-15 Canon Kabushiki Kaisha Auxiliary light source for camera having automatic focusing device
JPS58211746A (ja) * 1982-06-03 1983-12-09 Canon Inc カメラシステム
US4607931A (en) * 1983-12-02 1986-08-26 Canon Kabushiki Kaisha Exposure control circuit for a camera having a load circuit
US4801962A (en) * 1987-01-12 1989-01-31 Canon Kabushiki Kaisha Camera incorporating automatic focusing apparatus

Also Published As

Publication number Publication date
US4887117A (en) 1989-12-12
JP2512007B2 (ja) 1996-07-03

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees