JPS5596919A - Plural space frequency component extracting device - Google Patents

Plural space frequency component extracting device

Info

Publication number
JPS5596919A
JPS5596919A JP526879A JP526879A JPS5596919A JP S5596919 A JPS5596919 A JP S5596919A JP 526879 A JP526879 A JP 526879A JP 526879 A JP526879 A JP 526879A JP S5596919 A JPS5596919 A JP S5596919A
Authority
JP
Japan
Prior art keywords
space frequency
array
19aw19c
outputted
band
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.)
Pending
Application number
JP526879A
Other languages
English (en)
Inventor
Takeshi Utagawa
Kunihisa Hoshino
Hiroshi Shirasu
Akira Ogasawara
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 JP526879A priority Critical patent/JPS5596919A/ja
Priority to US06/109,281 priority patent/US4306143A/en
Priority to DE19803001256 priority patent/DE3001256A1/de
Publication of JPS5596919A publication Critical patent/JPS5596919A/ja
Pending 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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
JP526879A 1979-01-20 1979-01-20 Plural space frequency component extracting device Pending JPS5596919A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP526879A JPS5596919A (en) 1979-01-20 1979-01-20 Plural space frequency component extracting device
US06/109,281 US4306143A (en) 1979-01-20 1980-01-03 Device for extracting a plurality of space frequency components
DE19803001256 DE3001256A1 (de) 1979-01-20 1980-01-15 Vorrichtung zum extrahieren von mehreren raeumlichen frequenzkomponenten aus einem bild

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP526879A JPS5596919A (en) 1979-01-20 1979-01-20 Plural space frequency component extracting device

Publications (1)

Publication Number Publication Date
JPS5596919A true JPS5596919A (en) 1980-07-23

Family

ID=11606474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP526879A Pending JPS5596919A (en) 1979-01-20 1979-01-20 Plural space frequency component extracting device

Country Status (3)

Country Link
US (1) US4306143A (ja)
JP (1) JPS5596919A (ja)
DE (1) DE3001256A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59116604A (ja) * 1982-11-22 1984-07-05 Olympus Optical Co Ltd 焦点検出方法
DE3409820C2 (de) * 1984-03-17 1986-05-07 Telefunken electronic GmbH, 7100 Heilbronn Fotostrom-Verstärker
JP2572372B2 (ja) * 1985-05-23 1997-01-16 株式会社ニコン 焦点検出装置
US5396057A (en) * 1993-09-08 1995-03-07 Northrop Grumman Corporation Method for optimum focusing of electro-optical sensors for testing purposes with a haar matrix transform
KR101926605B1 (ko) * 2012-02-27 2018-12-07 삼성전자 주식회사 멀티 입력채널을 가지는 샘플 앤 홀드 회로 및 이를 이용한 아날로그 디지털 변환기

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2309846A1 (fr) * 1974-11-14 1976-11-26 Anvar Procede et dispositif de determination du nombre d'ondes de rayonnements optiques et application a l'asservissement de lasers
FR2408840A1 (fr) * 1977-11-12 1979-06-08 Nippon Kogaku Kk Dispositif de detection de deplacement d'une image par rapport a un systeme optique

Also Published As

Publication number Publication date
US4306143A (en) 1981-12-15
DE3001256A1 (de) 1980-08-14

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