JPH0478967B2 - - Google Patents

Info

Publication number
JPH0478967B2
JPH0478967B2 JP56186530A JP18653081A JPH0478967B2 JP H0478967 B2 JPH0478967 B2 JP H0478967B2 JP 56186530 A JP56186530 A JP 56186530A JP 18653081 A JP18653081 A JP 18653081A JP H0478967 B2 JPH0478967 B2 JP H0478967B2
Authority
JP
Japan
Prior art keywords
light
focus
lens
photoelectric
photoelectric element
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 - Lifetime
Application number
JP56186530A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5887514A (ja
Inventor
Yoshio Shishido
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP18653081A priority Critical patent/JPS5887514A/ja
Priority to US06/442,087 priority patent/US4538062A/en
Priority to EP82306169A priority patent/EP0080340B1/en
Priority to AT82306169T priority patent/ATE21778T1/de
Priority to DE8282306169T priority patent/DE3272935D1/de
Publication of JPS5887514A publication Critical patent/JPS5887514A/ja
Publication of JPH0478967B2 publication Critical patent/JPH0478967B2/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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP18653081A 1981-11-19 1981-11-20 焦点検出装置及び合焦位置設定装置 Granted JPS5887514A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP18653081A JPS5887514A (ja) 1981-11-20 1981-11-20 焦点検出装置及び合焦位置設定装置
US06/442,087 US4538062A (en) 1981-11-19 1982-11-16 Focusing detecting device with coaxial source and detector
EP82306169A EP0080340B1 (en) 1981-11-19 1982-11-19 A device for detecting the focused state of an optical system
AT82306169T ATE21778T1 (de) 1981-11-19 1982-11-19 Vorrichtung fuer die detektion des fokussierungszustandes eines optisches system.
DE8282306169T DE3272935D1 (en) 1981-11-19 1982-11-19 A device for detecting the focused state of an optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18653081A JPS5887514A (ja) 1981-11-20 1981-11-20 焦点検出装置及び合焦位置設定装置

Publications (2)

Publication Number Publication Date
JPS5887514A JPS5887514A (ja) 1983-05-25
JPH0478967B2 true JPH0478967B2 (it) 1992-12-14

Family

ID=16190101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18653081A Granted JPS5887514A (ja) 1981-11-19 1981-11-20 焦点検出装置及び合焦位置設定装置

Country Status (1)

Country Link
JP (1) JPS5887514A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60217322A (ja) * 1984-04-13 1985-10-30 Nippon Kogaku Kk <Nikon> 焦点検出装置
JPS62139225A (ja) * 1985-12-12 1987-06-22 オムロン株式会社 光電スイツチ
JPH0740455B2 (ja) * 1986-04-09 1995-05-01 オムロン株式会社 光学装置
JPS62262328A (ja) * 1986-05-06 1987-11-14 オムロン株式会社 光電スイツチ
JP2613655B2 (ja) * 1989-09-14 1997-05-28 松下電工株式会社 光電スイッチ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134318A (it) * 1973-04-26 1974-12-24
JPS50110647A (it) * 1974-02-09 1975-08-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134318A (it) * 1973-04-26 1974-12-24
JPS50110647A (it) * 1974-02-09 1975-08-30

Also Published As

Publication number Publication date
JPS5887514A (ja) 1983-05-25

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