FR735457A - écran anti-éblouissement - Google Patents

écran anti-éblouissement

Info

Publication number
FR735457A
FR735457A FR735457DA FR735457A FR 735457 A FR735457 A FR 735457A FR 735457D A FR735457D A FR 735457DA FR 735457 A FR735457 A FR 735457A
Authority
FR
France
Prior art keywords
glare screen
glare
screen
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
Harry Thomas Barlow
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 FR735457A publication Critical patent/FR735457A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/10Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/105Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having inhomogeneously distributed colouring
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C9/00Attaching auxiliary optical parts
    • G02C9/02Attaching auxiliary optical parts by hinging

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
FR735457D 1931-04-07 1932-04-01 écran anti-éblouissement Expired FR735457A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US735457XA 1931-04-07 1931-04-07

Publications (1)

Publication Number Publication Date
FR735457A true FR735457A (fr) 1932-11-09

Family

ID=22114341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR735457D Expired FR735457A (fr) 1931-04-07 1932-04-01 écran anti-éblouissement

Country Status (1)

Country Link
FR (1) FR735457A (fr)

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