JPH0333708A - ピント検出装置 - Google Patents

ピント検出装置

Info

Publication number
JPH0333708A
JPH0333708A JP17693790A JP17693790A JPH0333708A JP H0333708 A JPH0333708 A JP H0333708A JP 17693790 A JP17693790 A JP 17693790A JP 17693790 A JP17693790 A JP 17693790A JP H0333708 A JPH0333708 A JP H0333708A
Authority
JP
Japan
Prior art keywords
image
focus
contrast
focus detection
block
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
JP17693790A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0561610B2 (enrdf_load_stackoverflow
Inventor
Tokuji Ishida
石田　徳治
Masataka Hamada
正隆 浜田
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP17693790A priority Critical patent/JPH0333708A/ja
Publication of JPH0333708A publication Critical patent/JPH0333708A/ja
Publication of JPH0561610B2 publication Critical patent/JPH0561610B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP17693790A 1990-07-03 1990-07-03 ピント検出装置 Granted JPH0333708A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17693790A JPH0333708A (ja) 1990-07-03 1990-07-03 ピント検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17693790A JPH0333708A (ja) 1990-07-03 1990-07-03 ピント検出装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP58002622A Division JPH0666007B2 (ja) 1983-01-10 1983-01-10 カメラのピント検出装置

Publications (2)

Publication Number Publication Date
JPH0333708A true JPH0333708A (ja) 1991-02-14
JPH0561610B2 JPH0561610B2 (enrdf_load_stackoverflow) 1993-09-06

Family

ID=16022349

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17693790A Granted JPH0333708A (ja) 1990-07-03 1990-07-03 ピント検出装置

Country Status (1)

Country Link
JP (1) JPH0333708A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0815604A (ja) * 1994-06-30 1996-01-19 Olympus Optical Co Ltd 焦点検出装置
US7488923B2 (en) 2005-11-09 2009-02-10 Nikon Corporation Focus detection device, optical system and focus detection method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002250860A (ja) 2001-02-26 2002-09-06 Canon Inc 撮像素子、撮像装置及び情報処理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5598710A (en) * 1979-01-20 1980-07-28 Nippon Kogaku Kk <Nikon> Focus detector
JPS5598709A (en) * 1979-01-20 1980-07-28 Nippon Kogaku Kk <Nikon> Focusing detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5598710A (en) * 1979-01-20 1980-07-28 Nippon Kogaku Kk <Nikon> Focus detector
JPS5598709A (en) * 1979-01-20 1980-07-28 Nippon Kogaku Kk <Nikon> Focusing detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0815604A (ja) * 1994-06-30 1996-01-19 Olympus Optical Co Ltd 焦点検出装置
US7488923B2 (en) 2005-11-09 2009-02-10 Nikon Corporation Focus detection device, optical system and focus detection method

Also Published As

Publication number Publication date
JPH0561610B2 (enrdf_load_stackoverflow) 1993-09-06

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