FR73786E - Appareil générateur de lumière neutre - Google Patents

Appareil générateur de lumière neutre

Info

Publication number
FR73786E
FR73786E FR768974A FR768974A FR73786E FR 73786 E FR73786 E FR 73786E FR 768974 A FR768974 A FR 768974A FR 768974 A FR768974 A FR 768974A FR 73786 E FR73786 E FR 73786E
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
FR768974A
Other languages
English (en)
Inventor
Andre Donis
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
Priority to FR768974A priority Critical patent/FR73786E/fr
Application granted granted Critical
Publication of FR73786E publication Critical patent/FR73786E/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)
FR768974A 1958-06-27 1958-06-27 Appareil générateur de lumière neutre Expired FR73786E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR768974A FR73786E (fr) 1958-06-27 1958-06-27 Appareil générateur de lumière neutre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR768974A FR73786E (fr) 1958-06-27 1958-06-27 Appareil générateur de lumière neutre

Publications (1)

Publication Number Publication Date
FR73786E true FR73786E (fr) 1960-09-05

Family

ID=8706841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768974A Expired FR73786E (fr) 1958-06-27 1958-06-27 Appareil générateur de lumière neutre

Country Status (1)

Country Link
FR (1) FR73786E (fr)

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