FR1159286A - Système optique - Google Patents

Système optique

Info

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
Application number
Other languages
English (en)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Application granted granted Critical
Publication of FR1159286A publication Critical patent/FR1159286A/fr
Expired legal-status Critical Current

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1159286D 1956-10-06 1956-10-06 Système optique Expired FR1159286A (fr)

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)

* Cited by examiner, † Cited by third party
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.

Cited By (4)

* Cited by examiner, † Cited by third party
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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