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)
  • Astronomy & Astrophysics (AREA)
  • Biophysics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (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
EP0096570B1 (en) * 1982-06-05 1988-08-24 Olympus Optical Co., Ltd. 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 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
KR102603702B1 (ko) 2011-02-16 2023-11-16 더 제너럴 하스피탈 코포레이션 내시경용 광 결합기
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
JP6935100B2 (ja) 2015-07-21 2021-09-15 ジーアイ・サイエンティフィック・リミテッド・ライアビリティ・カンパニーＧｉ Ｓｃｉｅｎｔｉｆｉｃ， Ｌｌｃ 角度調整可能な出口ポータルを有する内視鏡付属物

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

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