ES2043546B1 - APPARATUS FOR MEASURING OPTICAL PARAMETERS FOR OPHTHALMIC LENSES> - Google Patents
APPARATUS FOR MEASURING OPTICAL PARAMETERS FOR OPHTHALMIC LENSES>Info
- Publication number
- ES2043546B1 ES2043546B1 ES9200864A ES9200864A ES2043546B1 ES 2043546 B1 ES2043546 B1 ES 2043546B1 ES 9200864 A ES9200864 A ES 9200864A ES 9200864 A ES9200864 A ES 9200864A ES 2043546 B1 ES2043546 B1 ES 2043546B1
- Authority
- ES
- Spain
- Prior art keywords
- ophthalmic lenses
- image
- lens
- mirror
- cofocal
- 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 - Fee Related
Links
Abstract
ESTE APARATO PARA LA MEDICION DE PARAMETROS OPTICOS PARA LENTES OFTALMICAS, COMPRENDE UN SISTEMA DE ALINEAMIENTO OPTICO QUE DISPONE DE UNA VENTANA POR LA QUE EL USUARIO, PORTADOR DE UNA MONTURA DE GAFAS E ILUMINADO POR UNA LUZ DIFUSA, OBSERVA UN OBJETO SITUADO EN EL INFINITO A TRAVES DE UN ESPEJO DICROICO Y REFLEJA EN EL MISMO SU IMAGEN A CAPTAR A TRAVES DE UNA LENTE COFOCAL, LA CUAL IMAGEN ES REFLEJADA POR UN ESPEJO CONVENCIONAL Y, A TRAVES DE OTRO ESPEJO DICROICO, ES CONDUCIDA A UN CAPTADOR DE IMAGEN MATRICIAL, AL TIEMPO QUE UN HAZ DE LUZ VISIBLE E INFRARROJOS, EMITIDA POR UNA FUENTE LUMINOSA MIXTA CONTROLADA POR UN DIAFRAGMA Y UNA LENTE CONDENSADORA, RECORRE INVERSAMENTE EL CAMINO ENTRE LOS ESPEJOS Y LA LENTE COFOCAL HASTA EL USUARIO. ESTE APARATO PERMITE DETERMINAR DE FORMA PRECISA Y RAPIDA LOS PARAMETROS DE MONTAJE DE UNAS LENTES OFTALMICAS SOBRE UNA MONTURA, EVITANDO LOS ERRORES DE PARALELAJE.THIS APPARATUS FOR THE MEASUREMENT OF OPTICAL PARAMETERS FOR OPHTHALMIC LENSES, INCLUDES AN OPTICAL ALIGNMENT SYSTEM THAT HAS A WINDOW BY WHICH THE USER, WEARING A GLASSES FRAME AND ILLUMINATED BY A DIFFUSED LIGHT, IS SITUATED IN A SITUATED OBJECT. THROUGH A DICROIC MIRROR AND REFLECTS ITSELF ON ITS IMAGE TO BE CAPTURED THROUGH A COFOCAL LENS, WHICH IMAGE IS REFLECTED BY A CONVENTIONAL MIRROR AND, THROUGH ANOTHER DICROIC MIRROR, IS CONDUCTED TO A MATRICIAL IMAGE CAPTURER. THAT A BEAM OF VISIBLE AND INFRARED LIGHT, ISSUED BY A MIXED LIGHT SOURCE CONTROLLED BY A DIAPHRAGM AND A CONDENSING LENS, INVERSELY TRAVEL THE ROAD BETWEEN THE MIRRORS AND THE COFOCAL LENS TO THE USER. THIS APPARATUS ALLOWS TO SPECIFICALLY AND QUICKLY DETERMINE THE MOUNTING PARAMETERS OF SOME OPHTHALMIC LENSES ON A MOUNT, PREVENTING PARALLELING ERRORS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9200864A ES2043546B1 (en) | 1992-04-24 | 1992-04-24 | APPARATUS FOR MEASURING OPTICAL PARAMETERS FOR OPHTHALMIC LENSES> |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9200864A ES2043546B1 (en) | 1992-04-24 | 1992-04-24 | APPARATUS FOR MEASURING OPTICAL PARAMETERS FOR OPHTHALMIC LENSES> |
Publications (3)
Publication Number | Publication Date |
---|---|
ES2043546A2 ES2043546A2 (en) | 1993-12-16 |
ES2043546R ES2043546R (en) | 1996-06-16 |
ES2043546B1 true ES2043546B1 (en) | 1997-02-16 |
Family
ID=8276821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9200864A Expired - Fee Related ES2043546B1 (en) | 1992-04-24 | 1992-04-24 | APPARATUS FOR MEASURING OPTICAL PARAMETERS FOR OPHTHALMIC LENSES> |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2043546B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60030019T2 (en) | 1999-02-22 | 2006-12-21 | Nidek Co., Ltd., Gamagori | Device for measuring eye points of a subject with respect to a spectacle frame |
EP1882444A1 (en) * | 2006-07-28 | 2008-01-30 | Essilor International (Compagnie Generale D'optique) | Method and system to assess objectively visual characteristics |
FR2939915B1 (en) | 2008-12-12 | 2011-01-14 | Essilor Int | PROCESS FOR PREPARING AN OPHTHALMIC LENS FOR MOUNTING ON A CAMBREE GOGGLE FRAME |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2538239B1 (en) * | 1982-12-22 | 1986-02-28 | Essilor Int | DEVICE FOR MEASURING EYE PARAMETERS, ESPECIALLY PUPILLARY GAP, WITH NUMERICALLY CONTROLLED ELECTRO-OPTIC CROSSLINKS |
ES9000014A1 (en) * | 1986-05-19 | 1990-02-16 | Indo Int Sa | Equipment for the selection of sunglasses and the determination of the optical parameters of the elected mount (Machine-translation by Google Translate, not legally binding) |
FR2618666B1 (en) * | 1987-07-30 | 1990-01-05 | Essilor Int | AUTOMATIC PUPILLOMETER |
FR2620927B1 (en) * | 1987-09-28 | 1992-08-14 | Briot Int | APPARATUS FOR MEASURING THE FACTORS NECESSARY FOR THE ADAPTATION OF OPTICAL LENSES ON A FRAME |
FR2663528A3 (en) * | 1990-06-21 | 1991-12-27 | Lavie Philippe | Method for taking the necessary measurements for fitting corrective glasses, and means for carrying out this method |
-
1992
- 1992-04-24 ES ES9200864A patent/ES2043546B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2043546R (en) | 1996-06-16 |
ES2043546A2 (en) | 1993-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19920424 Kind code of ref document: B1 Effective date: 19920424 |
|
FD1A | Patent lapsed |
Effective date: 20050425 |