FR81240E - Verres filtrants pour tubes fluorescents et tubes cathodiques - Google Patents

Verres filtrants pour tubes fluorescents et tubes cathodiques

Info

Publication number
FR81240E
FR81240E FR889588A FR889588A FR81240E FR 81240 E FR81240 E FR 81240E FR 889588 A FR889588 A FR 889588A FR 889588 A FR889588 A FR 889588A FR 81240 E FR81240 E FR 81240E
Authority
FR
France
Prior art keywords
tubes
cathode ray
filter glasses
fluorescent
ray tubes
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
FR889588A
Other languages
English (en)
Inventor
Rene Bideau
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
Priority to FR889588A priority Critical patent/FR81240E/fr
Application granted granted Critical
Publication of FR81240E publication Critical patent/FR81240E/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
    • G02B5/226—Glass filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR889588A 1962-03-01 1962-03-01 Verres filtrants pour tubes fluorescents et tubes cathodiques Expired FR81240E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR889588A FR81240E (fr) 1962-03-01 1962-03-01 Verres filtrants pour tubes fluorescents et tubes cathodiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR889588A FR81240E (fr) 1962-03-01 1962-03-01 Verres filtrants pour tubes fluorescents et tubes cathodiques

Publications (1)

Publication Number Publication Date
FR81240E true FR81240E (fr) 1963-08-16

Family

ID=8773765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889588A Expired FR81240E (fr) 1962-03-01 1962-03-01 Verres filtrants pour tubes fluorescents et tubes cathodiques

Country Status (1)

Country Link
FR (1) FR81240E (fr)

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