JPS5598710A - Focus detector - Google Patents

Focus detector

Info

Publication number
JPS5598710A
JPS5598710A JP527079A JP527079A JPS5598710A JP S5598710 A JPS5598710 A JP S5598710A JP 527079 A JP527079 A JP 527079A JP 527079 A JP527079 A JP 527079A JP S5598710 A JPS5598710 A JP S5598710A
Authority
JP
Japan
Prior art keywords
lens
arrays
phase differences
outputs
photoelectric
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
JP527079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6236206B2 (enrdf_load_stackoverflow
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
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
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 Chemical Industrial Co Ltd, Nippon Kogaku KK filed Critical Nippon Chemical Industrial Co Ltd
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 true JPS5598710A (en) 1980-07-28
JPS6236206B2 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)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60247210A (ja) * 1984-05-22 1985-12-06 Minolta Camera Co Ltd 焦点検出装置
JPS61147210A (ja) * 1984-12-20 1986-07-04 Nippon Kogaku Kk <Nikon> 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
US4952966A (en) * 1983-01-10 1990-08-28 Minolta Camera Kabushiki Kaisha Focus detecting device for use with cameras
JPH0333709A (ja) * 1990-07-03 1991-02-14 Minolta Camera Co Ltd ピント検出装置
JPH0333708A (ja) * 1990-07-03 1991-02-14 Minolta Camera Co Ltd ピント検出装置
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
JP2014102436A (ja) * 2012-11-21 2014-06-05 Canon Inc 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142512A (en) * 1976-05-22 1977-11-28 Asahi Optical Co Ltd Singleelens reflex camera focus detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142512A (en) * 1976-05-22 1977-11-28 Asahi Optical Co Ltd Singleelens reflex camera focus detector

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952966A (en) * 1983-01-10 1990-08-28 Minolta Camera Kabushiki Kaisha Focus detecting device for use with cameras
US5138143A (en) * 1983-01-10 1992-08-11 Minolta Camera Co., Ltd. Focus detecting device for use with cameras
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
JPS60247210A (ja) * 1984-05-22 1985-12-06 Minolta Camera Co Ltd 焦点検出装置
JPS61147210A (ja) * 1984-12-20 1986-07-04 Nippon Kogaku Kk <Nikon> 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
JPH0333709A (ja) * 1990-07-03 1991-02-14 Minolta Camera Co Ltd ピント検出装置
JPH0333708A (ja) * 1990-07-03 1991-02-14 Minolta Camera Co Ltd ピント検出装置
JP2014102436A (ja) * 2012-11-21 2014-06-05 Canon Inc 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

Also Published As

Publication number Publication date
JPS6236206B2 (enrdf_load_stackoverflow) 1987-08-06

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