FR1159286A - Système optique - Google Patents
Système optiqueInfo
- Publication number
- FR1159286A FR1159286A FR1159286DA FR1159286A FR 1159286 A FR1159286 A FR 1159286A FR 1159286D A FR1159286D A FR 1159286DA FR 1159286 A FR1159286 A FR 1159286A
- Authority
- FR
- France
- Prior art keywords
- optical system
- optical
- 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
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
- G02C7/068—Special properties achieved by the combination of the front and back surfaces
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1159286T | 1956-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1159286A true FR1159286A (fr) | 1958-06-25 |
Family
ID=9651508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1159286D Expired FR1159286A (fr) | 1956-10-06 | 1956-10-06 | Système optique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1159286A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2610203A1 (de) * | 1976-03-11 | 1977-09-22 | Rodenstock Optik G | Progressive ophthalmische linse |
FR2588973A1 (fr) * | 1985-10-23 | 1987-04-24 | Essilor Int | Lentille ophtalmique progressive |
FR2676551A1 (fr) * | 1991-03-15 | 1992-11-20 | Ishida Koki Seisakusho Co Ltd | Lentille pour presbytie ne presentant aucune aberration a courte distance ni a distance intermediaire. |
-
1956
- 1956-10-06 FR FR1159286D patent/FR1159286A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2610203A1 (de) * | 1976-03-11 | 1977-09-22 | Rodenstock Optik G | Progressive ophthalmische linse |
FR2588973A1 (fr) * | 1985-10-23 | 1987-04-24 | Essilor Int | Lentille ophtalmique progressive |
US4854689A (en) * | 1985-10-23 | 1989-08-08 | Essilor International Compagnie Generale D'optique | Progressive ophthalmic lens |
FR2676551A1 (fr) * | 1991-03-15 | 1992-11-20 | Ishida Koki Seisakusho Co Ltd | Lentille pour presbytie ne presentant aucune aberration a courte distance ni a distance intermediaire. |
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