NL176811B - Lens met een toenemend brekend vermogen. - Google Patents

Lens met een toenemend brekend vermogen.

Info

Publication number
NL176811B
NL176811B NLAANVRAGE7310190,A NL7310190A NL176811B NL 176811 B NL176811 B NL 176811B NL 7310190 A NL7310190 A NL 7310190A NL 176811 B NL176811 B NL 176811B
Authority
NL
Netherlands
Prior art keywords
lens
breaking capacity
increasing breaking
increasing
capacity
Prior art date
Application number
NLAANVRAGE7310190,A
Other languages
English (en)
Other versions
NL176811C (nl
NL7310190A (nl
Original Assignee
Essilor Int
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9102395&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL176811(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Essilor Int filed Critical Essilor Int
Publication of NL7310190A publication Critical patent/NL7310190A/xx
Publication of NL176811B publication Critical patent/NL176811B/nl
Application granted granted Critical
Publication of NL176811C publication Critical patent/NL176811C/nl

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • G02C7/065—Properties on the principal line
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
NLAANVRAGE7310190,A 1972-07-26 1973-07-20 Lens met een toenemend brekend vermogen. NL176811C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7226947A FR2193989B2 (nl) 1972-07-26 1972-07-26

Publications (3)

Publication Number Publication Date
NL7310190A NL7310190A (nl) 1974-01-29
NL176811B true NL176811B (nl) 1985-01-02
NL176811C NL176811C (nl) 1985-06-03

Family

ID=9102395

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7310190,A NL176811C (nl) 1972-07-26 1973-07-20 Lens met een toenemend brekend vermogen.

Country Status (17)

Country Link
US (1) US3910691A (nl)
JP (1) JPS5220271B2 (nl)
AT (1) AT328765B (nl)
AU (1) AU471562B2 (nl)
BE (1) BE802400A (nl)
BR (1) BR7305631D0 (nl)
CA (1) CA981075A (nl)
CS (1) CS167393B2 (nl)
DD (1) DD107152A5 (nl)
DE (1) DE2336708C3 (nl)
FR (1) FR2193989B2 (nl)
GB (1) GB1403675A (nl)
HU (1) HU167920B (nl)
IT (1) IT991863B (nl)
NL (1) NL176811C (nl)
RO (1) RO72099A (nl)
SU (1) SU515473A3 (nl)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056311A (en) * 1973-08-16 1977-11-01 American Optical Corporation Progressive power ophthalmic lens having a plurality of viewing zones with non-discontinuous variations therebetween
US4055379A (en) * 1973-08-16 1977-10-25 American Optical Corporation Multifocal lens
CA1012392A (en) * 1973-08-16 1977-06-21 American Optical Corporation Progressive power ophthalmic lens
DE2610203B2 (de) * 1976-03-11 1981-01-22 Optische Werke G. Rodenstock, 8000 Muenchen Progressives Brillenglas
DE2814916C3 (de) 1978-04-06 1982-01-07 Optische Werke G. Rodenstock, 8000 München Brillenglas mit einem zwischen Fernteil und Nahteil liegenden Progressionsbereich
FR2425653A1 (fr) * 1978-05-12 1979-12-07 Essilor Int Procede pour elaborer une surface de refraction d'une lentille ophtalmique a puissance focale progressivement variable
US4292030A (en) * 1980-01-16 1981-09-29 Itek Corporation Teaching device for progressive power lenses
US4307945A (en) * 1980-02-14 1981-12-29 Itek Corporation Progressively varying focal power opthalmic lens
JPS57210320A (en) * 1981-06-19 1982-12-23 Hoya Corp Progressive focus lens
JPS5958415A (ja) * 1982-09-29 1984-04-04 Seiko Epson Corp 累進多焦点レンズ
GB2146791B (en) * 1983-09-16 1987-01-28 Suwa Seikosha Kk Progressive multifocal ophthalmic lens
FR2617989B1 (fr) * 1987-07-07 1989-10-27 Essilor Int Lentille ophtalmique multifocale
US5000559A (en) * 1988-02-29 1991-03-19 Nikon Corporation Ophthalmic lenses having progressively variable refracting power
DE3901775A1 (de) * 1988-06-22 1990-07-26 Rodenstock Optik G Brillenglas mit einem sich aendernden brechungsindex
US5048945A (en) * 1989-07-14 1991-09-17 Nikon Corporation Progressive power lens
DE69133517T2 (de) * 1990-12-27 2006-08-10 Seiko Epson Corp. Progressive linse
US5110199A (en) * 1991-02-01 1992-05-05 Takeshi Ishida Distortion free ophthalmic lens for presbyopia having wide range distinct views
FR2683643B1 (fr) * 1991-11-12 1994-01-14 Essilor Internal Cie Gle Optique Lentille ophtalmique multifocale progressive.
FR2683642B1 (fr) * 1991-11-12 1994-01-14 Essilor Internal Cie Gle Optique Lentille ophtalmique multifocale progressive.
DE4210008A1 (de) * 1992-03-27 1993-09-30 Zeiss Carl Fa Brillenlinse
FR2704327B1 (fr) * 1993-04-23 1995-06-23 Essilor Int Paire de lentilles ophtalmiques multifocales progressives.
JPH06337380A (ja) * 1993-05-31 1994-12-06 Nikon Corp 累進多焦点レンズ
ATE203835T1 (de) * 1994-03-30 2001-08-15 Rodenstock Optik G Serie progressiver brillengläser
AU710343B2 (en) * 1994-10-29 1999-09-16 Rodenstock Gmbh Series for progressive spectacle lenses
US5861934A (en) * 1996-05-06 1999-01-19 Innotech, Inc. Refractive index gradient lens
EP2075622A3 (fr) 2007-11-27 2010-01-13 Optofinanz AG Lentilles ophtalmiques multifocales progressives à distribution constante
US8256895B2 (en) * 2008-02-20 2012-09-04 Swissphonics Sa Progressive multifocal ophthalmic lenses identically optimized over a wide range of refractive indices, base curves, and additions
WO2019055991A1 (en) 2017-09-18 2019-03-21 Indizen Optical Technologies of America, LLC OPHTHALMIC LENS DESIGN INCORPORATING A VISUAL ACUITY PROFILE

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2109474A (en) * 1931-12-07 1938-03-01 Evans Charles Ernest Spectacle lens
DE1151955B (de) * 1953-11-25 1963-07-25 & Commerciale Des Ouvriers Lun Optisches Element mit stetig veraenderlicher Brechkraft
US2878721A (en) * 1954-02-03 1959-03-24 Farrand Optical Co Inc Multifocal ophthalmic lenses
DE1198703B (de) * 1955-03-09 1965-08-12 Lunetiers Cottet Soc D Einrichtung zum Schleifen einer Linse variabler Brechkraft
FR1509090A (fr) * 1966-11-29 1968-01-12 Lunetiers Cottet Poichet Soc D Perfectionnements aux lentilles ophtalmiques à puissance focale progressivement variable
US3468067A (en) * 1967-02-13 1969-09-23 Lawrence H Larson Apparatus for use in grinding lenses
BE755907A (fr) * 1969-09-11 1971-02-15 Lunetiers Lentilles a puissance focale progressive
US3711191A (en) * 1971-09-16 1973-01-16 L Tagnon Aberration corrected ophthalmic progressive power lenses

Also Published As

Publication number Publication date
FR2193989B2 (nl) 1975-03-07
JPS4959652A (nl) 1974-06-10
RO72099A (ro) 1981-06-26
CA981075A (en) 1976-01-06
SU515473A3 (ru) 1976-05-25
BR7305631D0 (pt) 1974-08-22
BE802400A (fr) 1973-11-16
US3910691A (en) 1975-10-07
JPS5220271B2 (nl) 1977-06-02
DE2336708A1 (de) 1974-02-07
NL176811C (nl) 1985-06-03
DE2336708B2 (de) 1980-07-03
DD107152A5 (nl) 1974-07-12
CS167393B2 (nl) 1976-04-29
AU5851173A (en) 1975-01-30
GB1403675A (en) 1975-08-28
FR2193989A2 (nl) 1974-02-22
ATA650873A (de) 1975-06-15
HU167920B (nl) 1976-01-28
IT991863B (it) 1975-08-30
AT328765B (de) 1976-04-12
NL7310190A (nl) 1974-01-29
AU471562B2 (en) 1976-04-29
DE2336708C3 (de) 1981-03-12

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
V4 Lapsed because of reaching the maximum lifetime of a patent