JPH0143929B2 - - Google Patents

Info

Publication number
JPH0143929B2
JPH0143929B2 JP56194020A JP19402081A JPH0143929B2 JP H0143929 B2 JPH0143929 B2 JP H0143929B2 JP 56194020 A JP56194020 A JP 56194020A JP 19402081 A JP19402081 A JP 19402081A JP H0143929 B2 JPH0143929 B2 JP H0143929B2
Authority
JP
Japan
Prior art keywords
light
single fiber
angle
illumination optical
optical system
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
Application number
JP56194020A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5895706A (ja
Inventor
Susumu Takahashi
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 JP56194020A priority Critical patent/JPS5895706A/ja
Publication of JPS5895706A publication Critical patent/JPS5895706A/ja
Publication of JPH0143929B2 publication Critical patent/JPH0143929B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/26Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Endoscopes (AREA)
JP56194020A 1981-12-02 1981-12-02 内視鏡用照明光学系 Granted JPS5895706A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56194020A JPS5895706A (ja) 1981-12-02 1981-12-02 内視鏡用照明光学系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56194020A JPS5895706A (ja) 1981-12-02 1981-12-02 内視鏡用照明光学系

Publications (2)

Publication Number Publication Date
JPS5895706A JPS5895706A (ja) 1983-06-07
JPH0143929B2 true JPH0143929B2 (en]) 1989-09-25

Family

ID=16317603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56194020A Granted JPS5895706A (ja) 1981-12-02 1981-12-02 内視鏡用照明光学系

Country Status (1)

Country Link
JP (1) JPS5895706A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6064321A (ja) * 1983-09-20 1985-04-12 Olympus Optical Co Ltd 内視鏡の照明光学系
JPS62178207A (ja) * 1986-01-31 1987-08-05 Dainippon Screen Mfg Co Ltd 照明用の光学系
US5485316A (en) * 1991-10-25 1996-01-16 Olympus Optical Co., Ltd. Illumination optical system for endoscopes
JP5345171B2 (ja) * 2011-03-28 2013-11-20 富士フイルム株式会社 内視鏡

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5620428A (en) * 1979-07-27 1981-02-26 Olympus Optical Co Lighting optical system for endoscope

Also Published As

Publication number Publication date
JPS5895706A (ja) 1983-06-07

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