FI860357A - BLAENDNINGSSKYDDADE GLASOEGONLINSER FOER ARBETE VID BILDSKAERM. - Google Patents

BLAENDNINGSSKYDDADE GLASOEGONLINSER FOER ARBETE VID BILDSKAERM. Download PDF

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Publication number
FI860357A
FI860357A FI860357A FI860357A FI860357A FI 860357 A FI860357 A FI 860357A FI 860357 A FI860357 A FI 860357A FI 860357 A FI860357 A FI 860357A FI 860357 A FI860357 A FI 860357A
Authority
FI
Finland
Prior art keywords
glasoegonlinser
blaendningsskyddade
bildskaerm
arbete
vid
Prior art date
Application number
FI860357A
Other languages
Finnish (fi)
Other versions
FI860357A0 (en
Inventor
Werner Koeppen
Erwin Hartmann
Original Assignee
Rodenstock Optik G
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 by Rodenstock Optik G filed Critical Rodenstock Optik G
Publication of FI860357A0 publication Critical patent/FI860357A0/en
Publication of FI860357A publication Critical patent/FI860357A/en

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
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • 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)
  • Eyeglasses (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Polymerisation Methods In General (AREA)
  • Optical Filters (AREA)

Abstract

The anti-glare spectacle lens is characterized by the fact that it has an upper region with strong attenuation of the light and a region below that with a lesser attenuation. The limit of the area (3) between the area (1) with the strong light attenuation and the area (2) with lesser light attenuation is essentially straight at least in the middle portion of the glass and is situated between 1 mm and 8 mm above the main viewing point D for video screen work. According to the invention the light attenuation achieved in the upper region is more than 30%.
FI860357A 1984-05-26 1986-01-24 BLAENDNINGSSKYDDADE GLASOEGONLINSER FOER ARBETE VID BILDSKAERM. FI860357A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8416289 1984-05-26
PCT/DE1985/000179 WO1985005701A1 (en) 1984-05-26 1985-05-24 Anti-glare spectacle lens for video-screen work

Publications (2)

Publication Number Publication Date
FI860357A0 FI860357A0 (en) 1986-01-24
FI860357A true FI860357A (en) 1986-01-24

Family

ID=6767352

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860357A FI860357A (en) 1984-05-26 1986-01-24 BLAENDNINGSSKYDDADE GLASOEGONLINSER FOER ARBETE VID BILDSKAERM.

Country Status (7)

Country Link
EP (1) EP0182825A1 (en)
AU (1) AU4430985A (en)
DK (1) DK31186A (en)
FI (1) FI860357A (en)
NO (1) NO860265L (en)
WO (1) WO1985005701A1 (en)
ZA (1) ZA853987B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106248A (en) * 1962-01-30 1963-10-08 Luther H Blount Fairing for a controllable pitch propeller
US4872749A (en) * 1984-09-14 1989-10-10 American Optical Corporation Lens for video terminal screen
US5975695A (en) * 1997-09-10 1999-11-02 Intercast Europe S.P.A. Optical element for use in eye-protecting devices
EP0992832A1 (en) * 1998-10-07 2000-04-12 Intercast Europe S.P.A. Optical element for use in eye-protecting devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2076432A (en) * 1934-09-14 1937-04-06 American Optical Corp Ophthalmic lens
FR1383104A (en) * 1963-11-13 1964-12-24 Mattey S A A Glasses avoiding glare
US3963330A (en) * 1973-12-20 1976-06-15 Vivien Boniuk Apparatus for improving human visual response during conditions of reduced ambient illumination
DE2803047C2 (en) * 1978-01-25 1983-07-14 Fa. Carl Zeiss, 7920 Heidenheim Multifocal spectacle lens
US4470673A (en) * 1982-01-11 1984-09-11 Foggles, Inc. Eyewear with translucent superior field of view

Also Published As

Publication number Publication date
AU4430985A (en) 1985-12-31
DK31186D0 (en) 1986-01-21
WO1985005701A1 (en) 1985-12-19
DK31186A (en) 1986-01-21
FI860357A0 (en) 1986-01-24
EP0182825A1 (en) 1986-06-04
NO860265L (en) 1986-01-24
ZA853987B (en) 1987-02-25

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: OPTISCHE WERKE G. RODENSTOCK