FR2450096A1 - Mecanisme de convergence pour refracteur binoculaire - Google Patents

Mecanisme de convergence pour refracteur binoculaire

Info

Publication number
FR2450096A1
FR2450096A1 FR8004293A FR8004293A FR2450096A1 FR 2450096 A1 FR2450096 A1 FR 2450096A1 FR 8004293 A FR8004293 A FR 8004293A FR 8004293 A FR8004293 A FR 8004293A FR 2450096 A1 FR2450096 A1 FR 2450096A1
Authority
FR
France
Prior art keywords
relation
pair
refractor
binocular
movement
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.)
Granted
Application number
FR8004293A
Other languages
English (en)
Other versions
FR2450096B1 (fr
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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of FR2450096A1 publication Critical patent/FR2450096A1/fr
Application granted granted Critical
Publication of FR2450096B1 publication Critical patent/FR2450096B1/fr
Granted 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
    • A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
    • A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
    • A61B3/04—Trial frames; Sets of lenses for use therewith

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eye Examination Apparatus (AREA)
  • Telescopes (AREA)
  • Transmission Devices (AREA)

Abstract

L'INVENTION CONCERNE UN MECANISME AYANT UNE QUANTITE DE CONVERGENCE ET UN DEPLACEMENT VERS L'INTERIEUR CONTINUELLEMENT VARIABLES SUR TOUTE LA GAMME DES REGLAGES DE DISTANCE PUPILLAIRE DP. LA REMISE EN PLACE D'UNE PAIRE DE PISTES DROITES 2 TRANSFERE UNE QUANTITE CONTINUELLEMENT VARIABLE DE DEPLACEMENT A UNE PAIRE DE LEVIERS RESPECTIFS 8 QUI COMMANDENT LA POSITION D'UNE PAIRE DE CHARIOTS 3 ET 3A PAR RAPPORT A LA COMMANDE DE LA DP ET LA RELATION ANGULAIRE ENTRE DES BATTERIES DE LENTILLES PAR RAPPORT AUX CHARIOTS 3 ET 3A RESPECTIFS.
FR8004293A 1979-02-28 1980-02-27 Mecanisme de convergence pour refracteur binoculaire Granted FR2450096A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/016,456 US4243304A (en) 1979-02-28 1979-02-28 Convergence mechanism for binocular refracting instrument

Publications (2)

Publication Number Publication Date
FR2450096A1 true FR2450096A1 (fr) 1980-09-26
FR2450096B1 FR2450096B1 (fr) 1984-09-14

Family

ID=21777219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004293A Granted FR2450096A1 (fr) 1979-02-28 1980-02-27 Mecanisme de convergence pour refracteur binoculaire

Country Status (9)

Country Link
US (1) US4243304A (fr)
JP (1) JPS55116335A (fr)
CA (1) CA1138696A (fr)
CH (1) CH645010A5 (fr)
DE (1) DE3007372A1 (fr)
FR (1) FR2450096A1 (fr)
GB (1) GB2043291B (fr)
HK (1) HK18785A (fr)
NL (1) NL8000477A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3014674A1 (fr) * 2013-12-17 2015-06-19 Essilor Int Dispositif et procede de mesure de la refraction subjective

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143151A3 (fr) * 1980-08-11 1985-07-10 BAUSCH & LOMB INCORPORATED Détail d'un appareil pour l'examen des yeux
JPH0345685Y2 (fr) * 1986-11-13 1991-09-26

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR446969A (fr) * 1912-08-07 1912-12-19 George Adelmer Rogers Instruments d'optique pour oculistes
US2635502A (en) * 1948-06-17 1953-04-21 Richards John Mark Instrument for testing eyes
US2923200A (en) * 1956-03-29 1960-02-02 American Optical Corp Eye testing instruments
US3413056A (en) * 1964-08-31 1968-11-26 Tokyo Kogakukikai Kabushiki Ka Device for ophthalmic instrument for adjusting interpupillary distance and angle of convergence of lens cases

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2293200A (en) * 1940-01-15 1942-08-18 Foote Bradford Speed reducer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR446969A (fr) * 1912-08-07 1912-12-19 George Adelmer Rogers Instruments d'optique pour oculistes
US2635502A (en) * 1948-06-17 1953-04-21 Richards John Mark Instrument for testing eyes
US2923200A (en) * 1956-03-29 1960-02-02 American Optical Corp Eye testing instruments
US3413056A (en) * 1964-08-31 1968-11-26 Tokyo Kogakukikai Kabushiki Ka Device for ophthalmic instrument for adjusting interpupillary distance and angle of convergence of lens cases

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3014674A1 (fr) * 2013-12-17 2015-06-19 Essilor Int Dispositif et procede de mesure de la refraction subjective
WO2015092244A1 (fr) * 2013-12-17 2015-06-25 Essilor International (Compagnie Générale d'Optique) Dispositif et procédé de mesure de la réfraction subjective
US9955864B2 (en) 2013-12-17 2018-05-01 Essilor International (Compagnie Generale D'optique) Device and method for measuring subjective refraction

Also Published As

Publication number Publication date
GB2043291A (en) 1980-10-01
HK18785A (en) 1985-03-22
FR2450096B1 (fr) 1984-09-14
CH645010A5 (de) 1984-09-14
US4243304A (en) 1981-01-06
CA1138696A (fr) 1983-01-04
GB2043291B (en) 1983-04-27
DE3007372A1 (de) 1980-09-18
JPS55116335A (en) 1980-09-06
NL8000477A (nl) 1980-09-01

Similar Documents

Publication Publication Date Title
ES475459A1 (es) Un asiento de vehiculo mejorado
AU633595B2 (en) Controlled porosity silica and process for obtaining it
AU8568982A (en) Opto-electronic recording beam system
NO900793L (no) Brillelinse med progressiv addisjon.
DE3872842D1 (de) Schienenfahrzeug mit gesteuerten achsen.
EP0563953A3 (en) Device for applying light
AU622530B2 (en) Examination of surface structures
FR2450096A1 (fr) Mecanisme de convergence pour refracteur binoculaire
ES2159574T3 (es) Cristal de gafas con efecto progresivo.
FR2437132A1 (fr) Projecteur video
AU684926B2 (en) Method and apparatus for contact lens mold filling and assembly
MY121697A (en) Disc recording and/or reproducing apparatus with a liftable optical pickup apparatus and coordinated lens shutter
GB2013845A (en) Aiming device for a firearm
JPS5539845A (en) Automobile mirror for confirming the rear
CA2160280A1 (fr) Appareil de positionnement d'un bouton d'interrupteur
AU5301079A (en) Beam index colour crt deflection control
AU552204B2 (en) Optical system for obtaining two compressed images by anamor phosis corrolated at the inter-ocular distance
DE3369823D1 (en) Apparatus for the three-dimensional recording of the relative movements between a first and a second body
ES293199U (es) Proyector de luz para efectos opticos moviles
GB1477949A (en) Apparatus for engraving printing surfaces by means of laser light
GB2075928B (en) Adjusting vehicle suspensions for tipping
AU542427B2 (en) Image pickup tube electron beam control
NO922825L (no) Bimetallisk myntemne samt fremgangsmaate til fremstilling av dette
GB2081087A (en) Castor with braking means
ATA310381A (de) Ablenksteuerstufe zur steuerung der ablenkung eines elektronenstrahls

Legal Events

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