FR914827A - Method of establishing variable-focus optical or analouges glasses or lenses, and lenses obtained by this method - Google Patents

Method of establishing variable-focus optical or analouges glasses or lenses, and lenses obtained by this method

Info

Publication number
FR914827A
FR914827A FR914827DA FR914827A FR 914827 A FR914827 A FR 914827A FR 914827D A FR914827D A FR 914827DA FR 914827 A FR914827 A FR 914827A
Authority
FR
France
Prior art keywords
lenses
analouges
glasses
focus optical
establishing variable
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
French (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.)
D INV S MECANIQUES S E X I M S
Original Assignee
D INV S MECANIQUES S E X I M S
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 D INV S MECANIQUES S E X I M S filed Critical D INV S MECANIQUES S E X I M S
Application granted granted Critical
Publication of FR914827A publication Critical patent/FR914827A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR914827D 1945-04-12 1945-04-12 Method of establishing variable-focus optical or analouges glasses or lenses, and lenses obtained by this method Expired FR914827A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR914827T 1945-04-12

Publications (1)

Publication Number Publication Date
FR914827A true FR914827A (en) 1946-10-18

Family

ID=9422467

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914827D Expired FR914827A (en) 1945-04-12 1945-04-12 Method of establishing variable-focus optical or analouges glasses or lenses, and lenses obtained by this method

Country Status (1)

Country Link
FR (1) FR914827A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940360A (en) * 1957-05-23 1960-06-14 Jr William H Carter Perfusion chamber
FR2509876A1 (en) * 1981-07-20 1983-01-21 Gerber Scient Inc LENSES AND GLASSES WITH VARIABLE FOCAL DISTANCE, MEANS AND METHODS FOR MODIFYING THIS FOCAL DISTANCE
DE3424068A1 (en) * 1983-10-17 1985-05-02 Canon K.K., Tokio/Tokyo OPTICAL COMPONENT
DE3424121A1 (en) * 1982-03-10 1986-01-02 Frederick H. Fleetwood Pa. Lamothe Optical lens
EP0291596A1 (en) * 1985-11-05 1988-11-23 Oxford Lensats Limited Suspension system for a flexible optical membrane
US8120860B2 (en) 2008-04-04 2012-02-21 Sony Corporation Conversion lens, conversion lens system, and imaging device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940360A (en) * 1957-05-23 1960-06-14 Jr William H Carter Perfusion chamber
FR2509876A1 (en) * 1981-07-20 1983-01-21 Gerber Scient Inc LENSES AND GLASSES WITH VARIABLE FOCAL DISTANCE, MEANS AND METHODS FOR MODIFYING THIS FOCAL DISTANCE
DE3424121A1 (en) * 1982-03-10 1986-01-02 Frederick H. Fleetwood Pa. Lamothe Optical lens
DE3424068A1 (en) * 1983-10-17 1985-05-02 Canon K.K., Tokio/Tokyo OPTICAL COMPONENT
EP0291596A1 (en) * 1985-11-05 1988-11-23 Oxford Lensats Limited Suspension system for a flexible optical membrane
US4890903A (en) * 1985-11-05 1990-01-02 Michel Treisman Suspension system for a flexible optical membrane
US8120860B2 (en) 2008-04-04 2012-02-21 Sony Corporation Conversion lens, conversion lens system, and imaging device

Similar Documents

Publication Publication Date Title
FR919725A (en) Method and apparatus for the manufacture of glass fibers
FR919006A (en) Fluoride optical glasses
CH326225A (en) Variable focal length optical device
FR914827A (en) Method of establishing variable-focus optical or analouges glasses or lenses, and lenses obtained by this method
FR922475A (en) Advanced optical glasses
FR1060514A (en) Variable focal length optical system
FR938866A (en) Improvements in the manufacture of optical glass
FR1167796A (en) Continuously variable focal length optical system
FR951835A (en) Borate optical glasses
FR951834A (en) New optical glasses
FR923312A (en) Optical glasses
FR57747E (en) Fluoride optical glasses
FR966484A (en) Optical system for telescopes and sights
FR924417A (en) New optical glasses
FR1019496A (en) Manufacture of bifocal lenses
CH273656A (en) Shaped glass object, such as container, piece of laboratory equipment, optical piece and decorative object.
FR941661A (en) Enhancements to adjustable stands for stereoscopes, binoculars and similar optical instruments
FR1150483A (en) Variable focal length optical system
FR56271E (en) Multifocal lens for eyewear
FR1010188A (en) Image inverting optical system, rectilinear vision
FR944454A (en) Manufacturing process of optical lenses from transparent plastics
FR993867A (en) Gradually variable speed transmission device
FR1022429A (en) Optical glass
FR1104691A (en) High refractive index optical glass
FR995521A (en) Process and devices for the manufacture of optical glasses