FR1154227A - écran pliant, en deux parties, en matière transparente, adaptable derrière des lunettes - Google Patents

écran pliant, en deux parties, en matière transparente, adaptable derrière des lunettes

Info

Publication number
FR1154227A
FR1154227A FR1154227DA FR1154227A FR 1154227 A FR1154227 A FR 1154227A FR 1154227D A FR1154227D A FR 1154227DA FR 1154227 A FR1154227 A FR 1154227A
Authority
FR
France
Prior art keywords
parts
transparent material
folding screen
glasses
behind
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)
Inventor
Yves-Joseph Lafarg Grangeneuve
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 filed Critical
Application granted granted Critical
Publication of FR1154227A publication Critical patent/FR1154227A/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
    • G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/02—Bridges; Browbars; Intermediate bars
    • G02C5/08—Bridges; Browbars; Intermediate bars foldable
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/105—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having inhomogeneously distributed colouring
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C9/00—Attaching auxiliary optical parts

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
FR1154227D 1956-06-19 1956-06-19 écran pliant, en deux parties, en matière transparente, adaptable derrière des lunettes Expired FR1154227A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1154227T 1956-06-19

Publications (1)

Publication Number Publication Date
FR1154227A true FR1154227A (fr) 1958-04-03

Family

ID=9649162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1154227D Expired FR1154227A (fr) 1956-06-19 1956-06-19 écran pliant, en deux parties, en matière transparente, adaptable derrière des lunettes

Country Status (1)

Country Link
FR (1) FR1154227A (fr)

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