FR2136928B1 - - Google Patents

Info

Publication number
FR2136928B1
FR2136928B1 FR7116726A FR7116726A FR2136928B1 FR 2136928 B1 FR2136928 B1 FR 2136928B1 FR 7116726 A FR7116726 A FR 7116726A FR 7116726 A FR7116726 A FR 7116726A FR 2136928 B1 FR2136928 B1 FR 2136928B1
Authority
FR
France
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
FR7116726A
Other languages
French (fr)
Other versions
FR2136928A1 (https=
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7116726A priority Critical patent/FR2136928B1/fr
Priority to US00249238A priority patent/US3770342A/en
Priority to IT23961/72A priority patent/IT954993B/it
Priority to BE783067A priority patent/BE783067A/xx
Priority to CA141,475A priority patent/CA967040A/en
Priority to GB2110972A priority patent/GB1394743A/en
Priority to DE2222378A priority patent/DE2222378B2/de
Publication of FR2136928A1 publication Critical patent/FR2136928A1/fr
Application granted granted Critical
Publication of FR2136928B1 publication Critical patent/FR2136928B1/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A61B3/125—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes with contact lenses
    • 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
    • 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
    • G02B23/2461—Illumination
    • G02B23/2469—Illumination using optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
    • G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Astronomy & Astrophysics (AREA)
FR7116726A 1971-05-07 1971-05-07 Expired FR2136928B1 (https=)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7116726A FR2136928B1 (https=) 1971-05-07 1971-05-07
US00249238A US3770342A (en) 1971-05-07 1972-05-01 Device for lighting and examining a cavity
IT23961/72A IT954993B (it) 1971-05-07 1972-05-05 Dispositivo d illuminazione e d esame d una cavita particolar mente per l osservazione della retina
BE783067A BE783067A (fr) 1971-05-07 1972-05-05 Dispositifs d'eclairement et d'examen d'une cavite
CA141,475A CA967040A (en) 1971-05-07 1972-05-05 Dispositifs d'eclairement et d'examen d'une cavite
GB2110972A GB1394743A (en) 1971-05-07 1972-05-05 Device for lighting and examining the fundus of an eye
DE2222378A DE2222378B2 (de) 1971-05-07 1972-05-06 Ophthalmoskop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7116726A FR2136928B1 (https=) 1971-05-07 1971-05-07

Publications (2)

Publication Number Publication Date
FR2136928A1 FR2136928A1 (https=) 1972-12-29
FR2136928B1 true FR2136928B1 (https=) 1973-05-11

Family

ID=9076718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7116726A Expired FR2136928B1 (https=) 1971-05-07 1971-05-07

Country Status (1)

Country Link
FR (1) FR2136928B1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443233A1 (fr) * 1978-12-04 1980-07-04 Essilor Int Verre de contact pour l'electroretinographie

Also Published As

Publication number Publication date
FR2136928A1 (https=) 1972-12-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse