JPS55166609A - Method of focusing of optical system having lighting device - Google Patents

Method of focusing of optical system having lighting device

Info

Publication number
JPS55166609A
JPS55166609A JP7384079A JP7384079A JPS55166609A JP S55166609 A JPS55166609 A JP S55166609A JP 7384079 A JP7384079 A JP 7384079A JP 7384079 A JP7384079 A JP 7384079A JP S55166609 A JPS55166609 A JP S55166609A
Authority
JP
Japan
Prior art keywords
light
subject
lighting device
focusing
passes
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
JP7384079A
Other languages
English (en)
Inventor
Nobuo Yamashita
Kenichi Nakabashi
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 JP7384079A priority Critical patent/JPS55166609A/ja
Priority to US06/126,661 priority patent/US4340811A/en
Priority to DE3021887A priority patent/DE3021887C2/de
Publication of JPS55166609A publication Critical patent/JPS55166609A/ja
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/002—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor having rod-lens arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Biophysics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
JP7384079A 1979-06-12 1979-06-12 Method of focusing of optical system having lighting device Pending JPS55166609A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7384079A JPS55166609A (en) 1979-06-12 1979-06-12 Method of focusing of optical system having lighting device
US06/126,661 US4340811A (en) 1979-06-12 1980-03-03 Focusing method and apparatus for use in an optical system
DE3021887A DE3021887C2 (de) 1979-06-12 1980-06-11 Verfahren zur Scharfeinstellung eines optischen Systems und ein dieses Verfahren verwendendes Endoskop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7384079A JPS55166609A (en) 1979-06-12 1979-06-12 Method of focusing of optical system having lighting device

Publications (1)

Publication Number Publication Date
JPS55166609A true JPS55166609A (en) 1980-12-25

Family

ID=13529732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7384079A Pending JPS55166609A (en) 1979-06-12 1979-06-12 Method of focusing of optical system having lighting device

Country Status (3)

Country Link
US (1) US4340811A (ja)
JP (1) JPS55166609A (ja)
DE (1) DE3021887C2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013061939A1 (ja) * 2011-10-26 2013-05-02 オリンパス株式会社 内視鏡装置及びフォーカス制御方法

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56120908A (en) * 1980-02-29 1981-09-22 Fuji Photo Optical Co Ltd Distance detecting device for endoscope
US4538062A (en) * 1981-11-19 1985-08-27 Olympus Optical Co., Ltd. Focusing detecting device with coaxial source and detector
JPS5895707A (ja) * 1981-12-02 1983-06-07 Olympus Optical Co Ltd 内視鏡の自動集点検出機構
EP0084435B1 (en) * 1982-01-14 1986-08-27 Olympus Optical Co., Ltd. Endoscopes having a focus state detector
DE3377814D1 (en) * 1982-06-05 1988-09-29 Olympus Optical Co An optical system focus-state detector
JPS62220918A (ja) * 1986-03-22 1987-09-29 Olympus Optical Co Ltd 内視鏡光学系
US5771067A (en) * 1992-09-11 1998-06-23 Williams; Ronald R. Dental video camera with an electrically adjustable iris
DE9414957U1 (de) * 1994-05-25 1995-09-28 Lemke, Norbert, 82194 Gröbenzell Trokar-Bilderzeugungsvorrichtung
JP5022580B2 (ja) * 2005-08-09 2012-09-12 Ｈｏｙａ株式会社 内視鏡装置
DE102009009165B4 (de) * 2009-02-16 2018-12-27 Siemens Healthcare Gmbh Verfahren und Vorrichtung zur Bestimmung eines von einer Endoskopiekapsel in einem Patienten zurückgelegten Weges
US8708891B2 (en) * 2010-04-28 2014-04-29 Viking Systems, Inc. Stereoscopic coupler for mechanically and optically coupling a stereo endoscope to a stereo endoscopic camera
EP4000497A1 (en) 2011-02-16 2022-05-25 The General Hospital Corporation Optical coupler for an endoscope
US9459442B2 (en) 2014-09-23 2016-10-04 Scott Miller Optical coupler for optical imaging visualization device
US10548467B2 (en) 2015-06-02 2020-02-04 GI Scientific, LLC Conductive optical element
EP3324820A4 (en) 2015-07-21 2019-04-03 GI Scientific LLC ENDOSCOPE ACCESSORY WITH ANGULAR-SETTING OUTPUT PORTAL

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312193A (en) * 1976-07-20 1978-02-03 Olympus Optical Co Device for automatically focusing endscope
JPS5438159A (en) * 1977-09-01 1979-03-22 Canon Inc Distance measurement apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783270A (en) * 1971-05-19 1974-01-01 Olympus Optical Co Focus indicating devices
DE2708507A1 (de) * 1977-02-26 1978-08-31 Leitz Ernst Gmbh Bilduebertragungseinrichtung zur untersuchung von unzugaenglichen partien eines objektes
DE2719214A1 (de) * 1977-04-29 1978-11-09 Agfa Gevaert Ag Verfahren zum selbsttaetigen fokussieren eines kameraobjektives sowie vorrichtung zur durchfuehrung des verfahrens
JPS54126023A (en) * 1978-03-23 1979-09-29 Canon Inc Optical device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312193A (en) * 1976-07-20 1978-02-03 Olympus Optical Co Device for automatically focusing endscope
JPS5438159A (en) * 1977-09-01 1979-03-22 Canon Inc Distance measurement apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013061939A1 (ja) * 2011-10-26 2013-05-02 オリンパス株式会社 内視鏡装置及びフォーカス制御方法

Also Published As

Publication number Publication date
DE3021887C2 (de) 1982-11-04
US4340811A (en) 1982-07-20
DE3021887A1 (de) 1980-12-18

Similar Documents

Publication Publication Date Title
JPS55166609A (en) Method of focusing of optical system having lighting device
DK0750202T3 (da) Fremgangsmåde til gengivelse af genstande under nedsatte belysningsforhold samt en indretning til udførelse af fremgangsmåd
JPS55111929A (en) Automatic focusing device
JPS56120908A (en) Distance detecting device for endoscope
JPS5578218A (en) Photometer for slit lamp
JPS57111508A (en) Lighting optical system of microscope for surgical operation
JPS5518664A (en) Information mark display device
JPS57154206A (en) Focusing device
JPS5772003A (en) Method of measuring inner diameter of transparent tube
JPS57148718A (en) Illumination system of optical device
JPS54103362A (en) Optical observation apparatus
JPS57172254A (en) Speed measuring device
JPS5447668A (en) Optical scanner
JPS546532A (en) Detecting method of focusing positions by chromatic aberrations of lens
JPS56130725A (en) Optical device for focus detection
JPS54106253A (en) Automatic focusing device
JPS5767902A (en) Focus detecting method
JPS57184374A (en) Optical finder device
JPS5515135A (en) Manhole-inspecting investigating mirror
JPS57111525A (en) Eye bottom camera
JPS57150283A (en) Video camera
JPS6466628A (en) Camera
JPS57168205A (en) Prism optical system for focusing
JPS5571926A (en) Inspection of liquid crystal indicator
JPS546533A (en) Detecting method of focusing positions by chromatic aberrations of lens