JPS5529731A - Displacement detection unit of optical image - Google Patents

Displacement detection unit of optical image

Info

Publication number
JPS5529731A
JPS5529731A JP10225978A JP10225978A JPS5529731A JP S5529731 A JPS5529731 A JP S5529731A JP 10225978 A JP10225978 A JP 10225978A JP 10225978 A JP10225978 A JP 10225978A JP S5529731 A JPS5529731 A JP S5529731A
Authority
JP
Japan
Prior art keywords
photoelectric
elements
frequency components
optical image
arrangement direction
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
JP10225978A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0140286B2 (enrdf_load_stackoverflow
Inventor
Takeshi Utagawa
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 JP10225978A priority Critical patent/JPS5529731A/ja
Priority to DE2848874A priority patent/DE2848874C2/de
Priority to DE19782857899 priority patent/DE2857899A1/de
Priority to FR7831915A priority patent/FR2408840A1/fr
Priority to US05/959,918 priority patent/US4218623A/en
Publication of JPS5529731A publication Critical patent/JPS5529731A/ja
Publication of JPH0140286B2 publication Critical patent/JPH0140286B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP10225978A 1977-11-12 1978-08-24 Displacement detection unit of optical image Granted JPS5529731A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP10225978A JPS5529731A (en) 1978-08-24 1978-08-24 Displacement detection unit of optical image
DE2848874A DE2848874C2 (de) 1977-11-12 1978-11-10 Vorrichtung zum Bestimmen der Größe der Verschiebung eines durch ein optisches Abbildungssystem erzeugten Bildes
DE19782857899 DE2857899A1 (enrdf_load_stackoverflow) 1977-11-12 1978-11-10
FR7831915A FR2408840A1 (fr) 1977-11-12 1978-11-10 Dispositif de detection de deplacement d'une image par rapport a un systeme optique
US05/959,918 US4218623A (en) 1977-11-12 1978-11-13 Device for detecting displacement of an optical image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10225978A JPS5529731A (en) 1978-08-24 1978-08-24 Displacement detection unit of optical image

Publications (2)

Publication Number Publication Date
JPS5529731A true JPS5529731A (en) 1980-03-03
JPH0140286B2 JPH0140286B2 (enrdf_load_stackoverflow) 1989-08-28

Family

ID=14322585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10225978A Granted JPS5529731A (en) 1977-11-12 1978-08-24 Displacement detection unit of optical image

Country Status (1)

Country Link
JP (1) JPS5529731A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124766U (enrdf_load_stackoverflow) * 1981-01-27 1982-08-03
JPS59116604A (ja) * 1982-11-22 1984-07-05 Olympus Optical Co Ltd 焦点検出方法
JPS63100412A (ja) * 1987-05-26 1988-05-02 Mamiya Koki Kk 撮影装置の合焦度検出方法
JPH02263103A (ja) * 1990-02-28 1990-10-25 Nikon Corp 光像検出装置
US5506399A (en) * 1993-06-15 1996-04-09 Nikon Corporation Focus detection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124766U (enrdf_load_stackoverflow) * 1981-01-27 1982-08-03
JPS59116604A (ja) * 1982-11-22 1984-07-05 Olympus Optical Co Ltd 焦点検出方法
JPS63100412A (ja) * 1987-05-26 1988-05-02 Mamiya Koki Kk 撮影装置の合焦度検出方法
JPH02263103A (ja) * 1990-02-28 1990-10-25 Nikon Corp 光像検出装置
US5506399A (en) * 1993-06-15 1996-04-09 Nikon Corporation Focus detection device

Also Published As

Publication number Publication date
JPH0140286B2 (enrdf_load_stackoverflow) 1989-08-28

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