FR72175E - Système optique - Google Patents

Système optique

Info

Publication number
FR72175E
FR72175E FR72175DA FR72175E FR 72175 E FR72175 E FR 72175E FR 72175D A FR72175D A FR 72175DA FR 72175 E FR72175 E FR 72175E
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 FR72175E publication Critical patent/FR72175E/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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR72175D 1957-08-13 1957-08-13 Système optique Expired FR72175E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR72175T 1957-08-13

Publications (1)

Publication Number Publication Date
FR72175E true FR72175E (fr) 1960-08-05

Family

ID=8703671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR72175D Expired FR72175E (fr) 1957-08-13 1957-08-13 Système optique

Country Status (1)

Country Link
FR (1) FR72175E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918310A1 (de) * 1978-05-12 1979-11-15 Essilor Int Brillenglas und verfahren zum herstellen einer brechungsflaeche eines brillenglases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918310A1 (de) * 1978-05-12 1979-11-15 Essilor Int Brillenglas und verfahren zum herstellen einer brechungsflaeche eines brillenglases

Similar Documents

Publication Publication Date Title
FR1363539A (fr) Système optique
BE575864A (nl) Optisch afleessysteem
FR1130371A (fr) Système optique grand angulaire
FR1159286A (fr) Système optique
FR72175E (fr) Système optique
FR1202899A (fr) Système de réfrigération
FR1200781A (fr) Système optique grand angulaire
FR1210842A (fr) Système de télécommunication à transfluxors
FR1195486A (fr) Système optique additionnel anamorphotique
FR1115136A (fr) Système optique ophtalmoscopique
FR1172071A (fr) Système optique
FR1156545A (fr) Système optique ophtalmoscopique
FR1150483A (fr) Système optique à distance focale variable
FR1273913A (fr) Système optique
CH373957A (fr) Dispositif optique filtrant
FR1273088A (fr) Système optique anamorphoseur
FR1258215A (fr) Interféromètre optique
FR1206561A (fr) Système anti-éblouissant
FR1165739A (fr) Système de construction démontable
FR1202196A (fr) Verre optique
FR1195623A (fr) Dispositif optique
FR1179114A (fr) Système de construction perfectionné
FR1167336A (fr) Filtres optiques
FR1111316A (fr) Système triangulé déformable
FR1134767A (fr) Système optique anamorphotique