FR1166723A - Appareil générateur de lumière neutre - Google Patents

Appareil générateur de lumière neutre

Info

Publication number
FR1166723A
FR1166723A FR1166723DA FR1166723A FR 1166723 A FR1166723 A FR 1166723A FR 1166723D A FR1166723D A FR 1166723DA FR 1166723 A FR1166723 A FR 1166723A
Authority
FR
France
Prior art keywords
light generator
neutral light
neutral
generator
light
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thiriez Pere & Fils & Cartier
Original Assignee
Thiriez Pere & Fils & Cartier
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 Thiriez Pere & Fils & Cartier filed Critical Thiriez Pere & Fils & Cartier
Application granted granted Critical
Publication of FR1166723A publication Critical patent/FR1166723A/fr
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
    • G02B5/22—Absorbing filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1166723D 1957-02-12 1957-02-12 Appareil générateur de lumière neutre Expired FR1166723A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1166723T 1957-02-12

Publications (1)

Publication Number Publication Date
FR1166723A true FR1166723A (fr) 1958-11-14

Family

ID=9655182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1166723D Expired FR1166723A (fr) 1957-02-12 1957-02-12 Appareil générateur de lumière neutre

Country Status (1)

Country Link
FR (1) FR1166723A (fr)

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