FR1045438A - transparent screens, in particular spectacle lenses - Google Patents

transparent screens, in particular spectacle lenses

Info

Publication number
FR1045438A
FR1045438A FR1045438DA FR1045438A FR 1045438 A FR1045438 A FR 1045438A FR 1045438D A FR1045438D A FR 1045438DA FR 1045438 A FR1045438 A FR 1045438A
Authority
FR
France
Prior art keywords
spectacle lenses
transparent screens
particular spectacle
screens
transparent
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
French (fr)
Inventor
Joseph-Henri Planche
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 FR1045438A publication Critical patent/FR1045438A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G02B5/286—Interference filters comprising deposited thin solid films having four or fewer layers, e.g. for achieving a colour effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1045438D 1951-11-24 1951-11-24 transparent screens, in particular spectacle lenses Expired FR1045438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1045438T 1951-11-24

Publications (1)

Publication Number Publication Date
FR1045438A true FR1045438A (en) 1953-11-26

Family

ID=9591689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1045438D Expired FR1045438A (en) 1951-11-24 1951-11-24 transparent screens, in particular spectacle lenses

Country Status (1)

Country Link
FR (1) FR1045438A (en)

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