JPS5618928B2 - - Google Patents

Info

Publication number
JPS5618928B2
JPS5618928B2 JP269972A JP269972A JPS5618928B2 JP S5618928 B2 JPS5618928 B2 JP S5618928B2 JP 269972 A JP269972 A JP 269972A JP 269972 A JP269972 A JP 269972A JP S5618928 B2 JPS5618928 B2 JP S5618928B2
Authority
JP
Japan
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
JP269972A
Other versions
JPS4874840A (ja
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 filed Critical
Priority to JP269972A priority Critical patent/JPS5618928B2/ja
Priority to US00316514A priority patent/US3830571A/en
Priority to GB5879672A priority patent/GB1419389A/en
Priority to DE2263616A priority patent/DE2263616C3/de
Priority to CH1895672A priority patent/CH558024A/xx
Publication of JPS4874840A publication Critical patent/JPS4874840A/ja
Publication of JPS5618928B2 publication Critical patent/JPS5618928B2/ja
Expired 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Exposure Control For Cameras (AREA)
JP269972A 1971-12-29 1971-12-29 Expired JPS5618928B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP269972A JPS5618928B2 (ja) 1971-12-29 1971-12-29
US00316514A US3830571A (en) 1971-12-29 1972-12-19 Automatic focusing device also capable of photometry
GB5879672A GB1419389A (en) 1971-12-29 1972-12-20 Automatic focusing device also capable of photometry
DE2263616A DE2263616C3 (de) 1971-12-29 1972-12-27 Automatische Fokussiereinrichtung
CH1895672A CH558024A (de) 1971-12-29 1972-12-28 Optisches geraet mit einer automatischen fokussiereinrichtung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP269972A JPS5618928B2 (ja) 1971-12-29 1971-12-29

Publications (2)

Publication Number Publication Date
JPS4874840A JPS4874840A (ja) 1973-10-09
JPS5618928B2 true JPS5618928B2 (ja) 1981-05-02

Family

ID=11536511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP269972A Expired JPS5618928B2 (ja) 1971-12-29 1971-12-29

Country Status (5)

Country Link
US (1) US3830571A (ja)
JP (1) JPS5618928B2 (ja)
CH (1) CH558024A (ja)
DE (1) DE2263616C3 (ja)
GB (1) GB1419389A (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625648B2 (ja) * 1973-04-11 1981-06-13
US3961178A (en) * 1973-10-23 1976-06-01 Canon Kabushiki Kaisha Image sharpness detecting system and apparatus utilizing the same
DE2356757C2 (de) * 1973-11-14 1982-04-08 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zur Bestimmung der relativen Lage der Ebene maximaler Amplitude einer Ortsfrequenz
JPS5091317A (ja) * 1973-12-12 1975-07-22
DE2406045C2 (de) * 1974-02-08 1983-03-17 Canon Inc., Tokyo Anordnung, bestehend aus wenigstens zwei fotoelektrischen Wandlerelementen
DE2436528C2 (de) * 1974-07-29 1982-11-25 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Elektro-optische Scharfstelleinrichtung
DE2536370B2 (de) * 1974-08-16 1978-01-12 Canon K.K, Tokio Scharfstelldetektorsystem fuer einaeugige spiegelreflexkamera
DE2705104A1 (de) * 1977-02-08 1978-08-10 Agfa Gevaert Ag Fotografische oder kinematografische kamera
DE2801383A1 (de) * 1978-01-13 1979-07-19 Agfa Gevaert Ag Fotografische kamera mit einer fokussiervorrichtung
US4774539A (en) * 1986-10-01 1988-09-27 Canon Kabushiki Kaisha Camera having a focus detecting apparatus
US4810091A (en) * 1987-12-30 1989-03-07 Hewlett-Packard Company Apparatus and method for adjusting focus of a multi-element optical detector
JP2726346B2 (ja) * 1991-12-25 1998-03-11 佐原 今朝徳 手術用顕微鏡の自動焦点機構
CN105652100B (zh) * 2016-02-18 2018-07-10 北京工业大学 光电管脉宽可控的测量装置及其使用方法

Also Published As

Publication number Publication date
US3830571A (en) 1974-08-20
CH558024A (de) 1975-01-15
DE2263616B2 (de) 1975-03-20
JPS4874840A (ja) 1973-10-09
DE2263616C3 (de) 1975-11-13
GB1419389A (en) 1975-12-31
DE2263616A1 (de) 1973-07-05

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