FR941961A - Luminescent signs - Google Patents

Luminescent signs

Info

Publication number
FR941961A
FR941961A FR941961DA FR941961A FR 941961 A FR941961 A FR 941961A FR 941961D A FR941961D A FR 941961DA FR 941961 A FR941961 A FR 941961A
Authority
FR
France
Prior art keywords
luminescent signs
luminescent
signs
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
William Jack Browner
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.)
ELECTRIC POWER Inc
Original Assignee
ELECTRIC POWER Inc
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 ELECTRIC POWER Inc filed Critical ELECTRIC POWER Inc
Application granted granted Critical
Publication of FR941961A publication Critical patent/FR941961A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
FR941961D 1946-02-20 1947-02-18 Luminescent signs Expired FR941961A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US941961XA 1946-02-20 1946-02-20

Publications (1)

Publication Number Publication Date
FR941961A true FR941961A (en) 1948-01-26

Family

ID=22243725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941961D Expired FR941961A (en) 1946-02-20 1947-02-18 Luminescent signs

Country Status (1)

Country Link
FR (1) FR941961A (en)

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