FR666077A - Tube électrique luminescent - Google Patents

Tube électrique luminescent

Info

Publication number
FR666077A
FR666077A FR666077DA FR666077A FR 666077 A FR666077 A FR 666077A FR 666077D A FR666077D A FR 666077DA FR 666077 A FR666077 A FR 666077A
Authority
FR
France
Prior art keywords
electric tube
luminescent electric
luminescent
tube
electric
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR666077A publication Critical patent/FR666077A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/92—Lamps with more than one main discharge path
    • H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/26—Signs formed by electric discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
FR666077D 1927-12-20 1928-12-19 Tube électrique luminescent Expired FR666077A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE302701X 1927-12-20

Publications (1)

Publication Number Publication Date
FR666077A true FR666077A (fr) 1929-09-26

Family

ID=6107372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666077D Expired FR666077A (fr) 1927-12-20 1928-12-19 Tube électrique luminescent

Country Status (2)

Country Link
FR (1) FR666077A (fr)
GB (1) GB302701A (fr)

Also Published As

Publication number Publication date
GB302701A (en) 1930-06-20

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