JPH0328691B2 - - Google Patents

Info

Publication number
JPH0328691B2
JPH0328691B2 JP21746882A JP21746882A JPH0328691B2 JP H0328691 B2 JPH0328691 B2 JP H0328691B2 JP 21746882 A JP21746882 A JP 21746882A JP 21746882 A JP21746882 A JP 21746882A JP H0328691 B2 JPH0328691 B2 JP H0328691B2
Authority
JP
Japan
Prior art keywords
photoelectric conversion
amount
focus
conversion element
images
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
JP21746882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59107313A (ja
Inventor
Kenji Suzuki
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP21746882A priority Critical patent/JPS59107313A/ja
Priority to US06/464,578 priority patent/US4559446A/en
Priority to DE3305676A priority patent/DE3305676C2/de
Publication of JPS59107313A publication Critical patent/JPS59107313A/ja
Publication of JPH0328691B2 publication Critical patent/JPH0328691B2/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
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP21746882A 1982-02-18 1982-12-11 焦点検出信号処理方法 Granted JPS59107313A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP21746882A JPS59107313A (ja) 1982-12-11 1982-12-11 焦点検出信号処理方法
US06/464,578 US4559446A (en) 1982-02-18 1983-02-07 Focus detecting system using light from an imaging optical system for focus detection
DE3305676A DE3305676C2 (de) 1982-02-18 1983-02-18 Vorrichtung zur Schärfeermittlung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21746882A JPS59107313A (ja) 1982-12-11 1982-12-11 焦点検出信号処理方法

Publications (2)

Publication Number Publication Date
JPS59107313A JPS59107313A (ja) 1984-06-21
JPH0328691B2 true JPH0328691B2 (en, 2012) 1991-04-19

Family

ID=16704700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21746882A Granted JPS59107313A (ja) 1982-02-18 1982-12-11 焦点検出信号処理方法

Country Status (1)

Country Link
JP (1) JPS59107313A (en, 2012)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07117645B2 (ja) * 1987-12-14 1995-12-18 キヤノン株式会社 焦点検出装置
US5262819A (en) * 1989-07-07 1993-11-16 Canon Kabushiki Kaisha Compact focus detecting device suitable for incorporation into an optical apparatus
US4992819A (en) * 1989-10-31 1991-02-12 Canon Kabushiki Kaisha Focus detecting device having a plurality of detecting areas and camera provided with the same
JP2756351B2 (ja) * 1990-07-06 1998-05-25 キヤノン株式会社 焦点検出装置
US5440367A (en) * 1990-11-07 1995-08-08 Canon Kabushiki Kaisha Focus detecting apparatus provided with a plurality of detection fields
JP3210027B2 (ja) 1991-04-05 2001-09-17 キヤノン株式会社 カメラ
JP2927047B2 (ja) * 1991-05-02 1999-07-28 キヤノン株式会社 焦点検出装置
US5381206A (en) * 1991-07-22 1995-01-10 Canon Kabushiki Kaisha Focus detecting device
US5367153A (en) * 1991-11-01 1994-11-22 Canon Kabushiki Kaisha Apparatus for detecting the focus adjusting state of an objective lens by performing filter processing
JPH06148511A (ja) * 1992-10-31 1994-05-27 Canon Inc 視線検出装置及びそれを有した光学装置
JP3144155B2 (ja) * 1993-05-20 2001-03-12 キヤノン株式会社 焦点検出装置
JPH0968644A (ja) * 1995-08-31 1997-03-11 Nikon Corp 自動焦点調節装置
JP6014452B2 (ja) * 2012-10-16 2016-10-25 キヤノン株式会社 焦点検出装置及びそれを有するレンズ装置及び撮像装置

Also Published As

Publication number Publication date
JPS59107313A (ja) 1984-06-21

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