BE353322A - - Google Patents

Info

Publication number
BE353322A
BE353322A BE353322DA BE353322A BE 353322 A BE353322 A BE 353322A BE 353322D A BE353322D A BE 353322DA BE 353322 A BE353322 A BE 353322A
Authority
BE
Belgium
Prior art keywords
eye
screen
observer
desc
rod
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE353322A publication Critical patent/BE353322A/fr

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/16Shades; shields; Obturators, e.g. with pinhole, with slot
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Rehabilitation Tools (AREA)
BE353322D BE353322A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE353322A true BE353322A (enrdf_load_stackoverflow)

Family

ID=27931

Family Applications (1)

Application Number Title Priority Date Filing Date
BE353322D BE353322A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE353322A (enrdf_load_stackoverflow)

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