JPS6236206B2 - - Google Patents

Info

Publication number
JPS6236206B2
JPS6236206B2 JP54005270A JP527079A JPS6236206B2 JP S6236206 B2 JPS6236206 B2 JP S6236206B2 JP 54005270 A JP54005270 A JP 54005270A JP 527079 A JP527079 A JP 527079A JP S6236206 B2 JPS6236206 B2 JP S6236206B2
Authority
JP
Japan
Prior art keywords
focus detection
output
contrast
focus
correlation
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
JP54005270A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5598710A (en
Inventor
Takeshi Utagawa
Akira Ogasawara
Hiroshi Shirasu
Kunihisa Hoshino
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
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP527079A priority Critical patent/JPS5598710A/ja
Priority to US06/112,350 priority patent/US4336450A/en
Priority to DE19803001767 priority patent/DE3001767A1/de
Publication of JPS5598710A publication Critical patent/JPS5598710A/ja
Publication of JPS6236206B2 publication Critical patent/JPS6236206B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP527079A 1979-01-20 1979-01-20 Focus detector Granted JPS5598710A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP527079A JPS5598710A (en) 1979-01-20 1979-01-20 Focus detector
US06/112,350 US4336450A (en) 1979-01-20 1980-01-15 Focus detecting apparatus
DE19803001767 DE3001767A1 (de) 1979-01-20 1980-01-18 Fokussiererfassungsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP527079A JPS5598710A (en) 1979-01-20 1979-01-20 Focus detector

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP808986A Division JPS61209413A (ja) 1986-01-20 1986-01-20 焦点検出装置

Publications (2)

Publication Number Publication Date
JPS5598710A JPS5598710A (en) 1980-07-28
JPS6236206B2 true JPS6236206B2 (enrdf_load_stackoverflow) 1987-08-06

Family

ID=11606529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP527079A Granted JPS5598710A (en) 1979-01-20 1979-01-20 Focus detector

Country Status (1)

Country Link
JP (1) JPS5598710A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202555A (en) * 1983-01-10 1993-04-13 Minolta Camera Kabushiki Kaisha Focus detecting device for use with cameras with correlation and contrast detecting means
US4636624A (en) * 1983-01-10 1987-01-13 Minolta Camera Kabushiki Kaisha Focus detecting device for use with cameras
JPS60247210A (ja) * 1984-05-22 1985-12-06 Minolta Camera Co Ltd 焦点検出装置
JPH0727106B2 (ja) * 1984-12-20 1995-03-29 株式会社ニコン カメラの焦点検出装置
JPS61209413A (ja) * 1986-01-20 1986-09-17 Nippon Kogaku Kk <Nikon> 焦点検出装置
JPH0333708A (ja) * 1990-07-03 1991-02-14 Minolta Camera Co Ltd ピント検出装置
JP2558377B2 (ja) * 1990-07-03 1996-11-27 ミノルタ株式会社 ピント検出装置
JP6124564B2 (ja) * 2012-11-21 2017-05-10 キヤノン株式会社 焦点検出装置及び方法、及び撮像装置
JP2019061264A (ja) * 2018-11-29 2019-04-18 株式会社ニコン 焦点検出装置、カメラ、及び電子機器
JP2020166297A (ja) * 2020-06-29 2020-10-08 株式会社ニコン 焦点検出装置、カメラ、及び電子機器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914723B2 (ja) * 1976-05-22 1984-04-05 旭光学工業株式会社 一眼レフカメラの焦点検出装置

Also Published As

Publication number Publication date
JPS5598710A (en) 1980-07-28

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