JPH0145883B2 - - Google Patents

Info

Publication number
JPH0145883B2
JPH0145883B2 JP56159213A JP15921381A JPH0145883B2 JP H0145883 B2 JPH0145883 B2 JP H0145883B2 JP 56159213 A JP56159213 A JP 56159213A JP 15921381 A JP15921381 A JP 15921381A JP H0145883 B2 JPH0145883 B2 JP H0145883B2
Authority
JP
Japan
Prior art keywords
light
light receiving
infrared
lens
receiving device
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
Application number
JP56159213A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5859413A (ja
Inventor
Kenichi Ooikami
Masatoshi Ida
Masahiro Aoki
Asao Hayashi
Junichi Nakamura
Kenji Fukuoka
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP15921381A priority Critical patent/JPS5859413A/ja
Publication of JPS5859413A publication Critical patent/JPS5859413A/ja
Publication of JPH0145883B2 publication Critical patent/JPH0145883B2/ja
Granted 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
    • G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP15921381A 1981-10-06 1981-10-06 自動焦点調節方法 Granted JPS5859413A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15921381A JPS5859413A (ja) 1981-10-06 1981-10-06 自動焦点調節方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15921381A JPS5859413A (ja) 1981-10-06 1981-10-06 自動焦点調節方法

Publications (2)

Publication Number Publication Date
JPS5859413A JPS5859413A (ja) 1983-04-08
JPH0145883B2 true JPH0145883B2 (en, 2012) 1989-10-05

Family

ID=15688793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15921381A Granted JPS5859413A (ja) 1981-10-06 1981-10-06 自動焦点調節方法

Country Status (1)

Country Link
JP (1) JPS5859413A (en, 2012)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008122535A (ja) * 2006-11-09 2008-05-29 Canon Inc 測光装置およびカメラ
JP2008170517A (ja) * 2007-01-09 2008-07-24 Canon Inc 焦点調節装置、その制御方法及び撮像装置
US7414231B2 (en) 2004-09-29 2008-08-19 Canon Kabushiki Kaisha Focus-state detecting device, image sensing apparatus and image sensing system having same and lens unit mounted thereon
US8063977B2 (en) 2006-11-16 2011-11-22 Canon Kabushiki Kaisha Photosensor and focus detecting device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6286318A (ja) * 1985-10-11 1987-04-20 Minolta Camera Co Ltd 焦点位置検出装置
JPS62192716A (ja) * 1986-02-20 1987-08-24 Minolta Camera Co Ltd 焦点検出装置
JPS6341818A (ja) * 1986-08-06 1988-02-23 Minolta Camera Co Ltd 補助照明装置を備えた自動焦点調節装置
JP2666274B2 (ja) * 1987-03-18 1997-10-22 ミノルタ株式会社 自動焦点検出装置
JP4532849B2 (ja) * 2003-05-20 2010-08-25 キヤノン株式会社 自動合焦装置
CN111273504B (zh) * 2020-03-26 2022-05-03 浙江大华技术股份有限公司 一种调焦处理方法及装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916247B2 (ja) * 1977-07-05 1984-04-14 オリンパス光学工業株式会社 レンズの色収差による合焦位置検出方法
JPS55111928A (en) * 1979-02-21 1980-08-29 Ricoh Co Ltd Automatic focusing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7414231B2 (en) 2004-09-29 2008-08-19 Canon Kabushiki Kaisha Focus-state detecting device, image sensing apparatus and image sensing system having same and lens unit mounted thereon
JP2008122535A (ja) * 2006-11-09 2008-05-29 Canon Inc 測光装置およびカメラ
US8063977B2 (en) 2006-11-16 2011-11-22 Canon Kabushiki Kaisha Photosensor and focus detecting device
JP2008170517A (ja) * 2007-01-09 2008-07-24 Canon Inc 焦点調節装置、その制御方法及び撮像装置

Also Published As

Publication number Publication date
JPS5859413A (ja) 1983-04-08

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