JPS6479711A - Automatic focusing adjuster - Google Patents

Automatic focusing adjuster

Info

Publication number
JPS6479711A
JPS6479711A JP23702587A JP23702587A JPS6479711A JP S6479711 A JPS6479711 A JP S6479711A JP 23702587 A JP23702587 A JP 23702587A JP 23702587 A JP23702587 A JP 23702587A JP S6479711 A JPS6479711 A JP S6479711A
Authority
JP
Japan
Prior art keywords
focus
error
automatic focusing
controller
lens group
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
JP23702587A
Other languages
English (en)
Other versions
JPH0789174B2 (ja
Inventor
Kazumasa Tamada
Naoki Takatori
Tsuneo Yokoyama
Satoshi Mikajiri
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.)
Fujinon Corp
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
Fuji Photo 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 Fuji Photo Film Co Ltd, Fuji Photo Optical Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP62237025A priority Critical patent/JPH0789174B2/ja
Priority to US07/246,815 priority patent/US4908643A/en
Publication of JPS6479711A publication Critical patent/JPS6479711A/ja
Publication of JPH0789174B2 publication Critical patent/JPH0789174B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP62237025A 1987-09-21 1987-09-21 自動焦点調節装置 Expired - Lifetime JPH0789174B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62237025A JPH0789174B2 (ja) 1987-09-21 1987-09-21 自動焦点調節装置
US07/246,815 US4908643A (en) 1987-09-21 1988-09-20 Automatic focussing adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62237025A JPH0789174B2 (ja) 1987-09-21 1987-09-21 自動焦点調節装置

Publications (2)

Publication Number Publication Date
JPS6479711A true JPS6479711A (en) 1989-03-24
JPH0789174B2 JPH0789174B2 (ja) 1995-09-27

Family

ID=17009277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62237025A Expired - Lifetime JPH0789174B2 (ja) 1987-09-21 1987-09-21 自動焦点調節装置

Country Status (1)

Country Link
JP (1) JPH0789174B2 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007271702A (ja) * 2006-03-30 2007-10-18 Canon Inc レンズ装置
WO2009044776A1 (ja) * 2007-10-02 2009-04-09 Nikon Corporation 受光装置、焦点検出装置および撮像装置
JP2011191779A (ja) * 2011-05-16 2011-09-29 Canon Inc レンズ装置
JP2014186338A (ja) * 2014-05-15 2014-10-02 Canon Inc 撮像装置、撮像システム、及び撮像装置の制御方法
JP2016194717A (ja) * 2016-07-06 2016-11-17 キヤノン株式会社 撮像装置、撮像システム、及び焦点検出方法
US9560258B2 (en) 2008-08-25 2017-01-31 Canon Kabushiki Kaisha Image sensing apparatus, image sensing system and focus detection method of detecting a focus position of a lens using image signal pair

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58217907A (ja) * 1982-06-12 1983-12-19 Nippon Seimitsu Kogyo Kk ズームレンズのフォーカシング方法
JPS59116604A (ja) * 1982-11-22 1984-07-05 Olympus Optical Co Ltd 焦点検出方法
JPS6055309A (ja) * 1983-09-06 1985-03-30 Minolta Camera Co Ltd 焦点検出補正可能なカメラの焦点検出装置
JPS60262004A (ja) * 1984-06-11 1985-12-25 Nippon Kogaku Kk <Nikon> 焦点検出装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58217907A (ja) * 1982-06-12 1983-12-19 Nippon Seimitsu Kogyo Kk ズームレンズのフォーカシング方法
JPS59116604A (ja) * 1982-11-22 1984-07-05 Olympus Optical Co Ltd 焦点検出方法
JPS6055309A (ja) * 1983-09-06 1985-03-30 Minolta Camera Co Ltd 焦点検出補正可能なカメラの焦点検出装置
JPS60262004A (ja) * 1984-06-11 1985-12-25 Nippon Kogaku Kk <Nikon> 焦点検出装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007271702A (ja) * 2006-03-30 2007-10-18 Canon Inc レンズ装置
WO2009044776A1 (ja) * 2007-10-02 2009-04-09 Nikon Corporation 受光装置、焦点検出装置および撮像装置
US8680451B2 (en) 2007-10-02 2014-03-25 Nikon Corporation Light receiving device, focus detection device and imaging device
US9560258B2 (en) 2008-08-25 2017-01-31 Canon Kabushiki Kaisha Image sensing apparatus, image sensing system and focus detection method of detecting a focus position of a lens using image signal pair
JP2011191779A (ja) * 2011-05-16 2011-09-29 Canon Inc レンズ装置
JP2014186338A (ja) * 2014-05-15 2014-10-02 Canon Inc 撮像装置、撮像システム、及び撮像装置の制御方法
JP2016194717A (ja) * 2016-07-06 2016-11-17 キヤノン株式会社 撮像装置、撮像システム、及び焦点検出方法

Also Published As

Publication number Publication date
JPH0789174B2 (ja) 1995-09-27

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