FR1031699A - Spectacle device with variable absorption - Google Patents

Spectacle device with variable absorption

Info

Publication number
FR1031699A
FR1031699A FR1031699DA FR1031699A FR 1031699 A FR1031699 A FR 1031699A FR 1031699D A FR1031699D A FR 1031699DA FR 1031699 A FR1031699 A FR 1031699A
Authority
FR
France
Prior art keywords
spectacle device
variable absorption
absorption
variable
spectacle
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
French (fr)
Inventor
Luis Rodriguez Aparicio
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 FR1031699A publication Critical patent/FR1031699A/en
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
    • G02C7/10—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1031699D 1950-12-11 1950-12-11 Spectacle device with variable absorption Expired FR1031699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1031699T 1950-12-11

Publications (1)

Publication Number Publication Date
FR1031699A true FR1031699A (en) 1953-06-25

Family

ID=9583306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031699D Expired FR1031699A (en) 1950-12-11 1950-12-11 Spectacle device with variable absorption

Country Status (1)

Country Link
FR (1) FR1031699A (en)

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