BE397789A - - Google Patents

Info

Publication number
BE397789A
BE397789A BE397789DA BE397789A BE 397789 A BE397789 A BE 397789A BE 397789D A BE397789D A BE 397789DA BE 397789 A BE397789 A BE 397789A
Authority
BE
Belgium
Prior art keywords
screen
screen according
circular support
levers
light sources
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE397789A publication Critical patent/BE397789A/fr

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C1/00Assemblies of lenses with bridges or browbars
    • G02C1/06Bridge or browbar secured to or integral with closed rigid rims for the lenses
    • 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
    • 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)
  • Eyeglasses (AREA)
BE397789D BE397789A (de)

Publications (1)

Publication Number Publication Date
BE397789A true BE397789A (de)

Family

ID=64433

Family Applications (1)

Application Number Title Priority Date Filing Date
BE397789D BE397789A (de)

Country Status (1)

Country Link
BE (1) BE397789A (de)

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