IT979490B - Filtro ottico per occhiali da sole - Google Patents

Filtro ottico per occhiali da sole

Info

Publication number
IT979490B
IT979490B IT2086873A IT2086873A IT979490B IT 979490 B IT979490 B IT 979490B IT 2086873 A IT2086873 A IT 2086873A IT 2086873 A IT2086873 A IT 2086873A IT 979490 B IT979490 B IT 979490B
Authority
IT
Italy
Prior art keywords
sunglasses
optical filter
filter
optical
Prior art date
Application number
IT2086873A
Other languages
English (en)
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of IT979490B publication Critical patent/IT979490B/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Eyeglasses (AREA)
  • Polarising Elements (AREA)
  • Optical Filters (AREA)
IT2086873A 1972-02-29 1973-02-26 Filtro ottico per occhiali da sole IT979490B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23040872A 1972-02-29 1972-02-29

Publications (1)

Publication Number Publication Date
IT979490B true IT979490B (it) 1974-09-30

Family

ID=22865106

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2086873A IT979490B (it) 1972-02-29 1973-02-26 Filtro ottico per occhiali da sole

Country Status (4)

Country Link
JP (1) JPS4895850A (it)
DE (1) DE2309732A1 (it)
FR (1) FR2177774B1 (it)
IT (1) IT979490B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594820B2 (ja) * 1974-05-20 1984-02-01 大日本印刷株式会社 色分離フイルタ−の製造法

Also Published As

Publication number Publication date
DE2309732A1 (de) 1973-09-06
FR2177774B1 (it) 1976-11-05
FR2177774A1 (it) 1973-11-09
JPS4895850A (it) 1973-12-08

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