GB1290714A - - Google Patents

Info

Publication number
GB1290714A
GB1290714A GB1290714DA GB1290714A GB 1290714 A GB1290714 A GB 1290714A GB 1290714D A GB1290714D A GB 1290714DA GB 1290714 A GB1290714 A GB 1290714A
Authority
GB
United Kingdom
Prior art keywords
axis
sept
value
section
formula
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
Other languages
English (en)
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
Publication of GB1290714A publication Critical patent/GB1290714A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B23/2446—Optical details of the image relay
    • 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
    • A61B1/00163—Optical arrangements
    • A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
    • 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
    • A61B1/00163—Optical arrangements
    • A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
    • A61B1/0017—Details of single optical fibres, e.g. material or cladding
    • 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
    • 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
    • A61B1/06—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 with illuminating arrangements
    • A61B1/07—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 with illuminating arrangements using light-conductive means, e.g. optical fibres
    • 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
    • G02B3/00—Simple or compound lenses
    • G02B3/0087—Simple or compound lenses with index gradient

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Integrated Circuits (AREA)
GB1290714D 1968-08-10 1969-09-26 Expired GB1290714A (enExample)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP5696868 1968-08-10
JP6009768 1968-08-21
JP6009968 1968-08-21
JP6009868 1968-08-21
JP7007568 1968-09-26
JP7172268 1968-10-01
JP7172568 1968-10-01

Publications (1)

Publication Number Publication Date
GB1290714A true GB1290714A (enExample) 1972-09-27

Family

ID=27564915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290714D Expired GB1290714A (enExample) 1968-08-10 1969-09-26

Country Status (1)

Country Link
GB (1) GB1290714A (enExample)

Similar Documents

Publication Publication Date Title
GB1463744A (en) Light beam coupler for semiconductor lasers
GB1433395A (en) Optical transmission arrangements
DK40481A (da) Praeform for optisk boelgeleder med indeksgradient
GB1386734A (en) Light guide arrangement
GB1333721A (en) Weld checking apparatus and method
GB1381644A (en) Transparent stratified structure with parallel faces
GB1006409A (en) Improvements in or relating to the guiding of wave beams
GB1124139A (en) Light deflectors
GB1475478A (en) Multimode light guide
GB1266930A (enExample)
ES451740A1 (es) Perfeccionamientos en fibras opticas transmisoras de luz.
GB1496324A (en) Optical fibre waveguide with effective refractive index profile
GB1282511A (en) An optical coupling arrangement for fibrous light guide elements
JPS51132902A (en) Frequency speciality compensation method of the light fiber
JPS5229234A (en) Optical fiber
JPS5227644A (en) Optical transmission fiber
JPS5233545A (en) Light coupler
JPS5374084A (en) Measuring method for refractive index distribution of optical transmission path
JPS53136A (en) Beam splitter
JPS5245890A (en) Laser light scanning equipment
GB969020A (en) Improvements in or relating to drum lenses
JPS53106140A (en) Opitcal branching insept and preparation thereof
JPS53130050A (en) Convergent optical transmitter with recesses
JPS57150814A (en) Optical distributing circuit
JPS5370833A (en) Light distributor

Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years