FR965954A - Automatic device for signaling failure of light signaling lamps - Google Patents

Automatic device for signaling failure of light signaling lamps

Info

Publication number
FR965954A
FR965954A FR965954DA FR965954A FR 965954 A FR965954 A FR 965954A FR 965954D A FR965954D A FR 965954DA FR 965954 A FR965954 A FR 965954A
Authority
FR
France
Prior art keywords
signaling
automatic device
failure
lamps
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
French (fr)
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR965954A publication Critical patent/FR965954A/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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/10—Circuits providing for substitution of the light source in case of its failure
FR965954D 1948-04-30 1948-04-30 Automatic device for signaling failure of light signaling lamps Expired FR965954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR965954T 1948-04-30

Publications (1)

Publication Number Publication Date
FR965954A true FR965954A (en) 1950-09-27

Family

ID=9499667

Family Applications (1)

Application Number Title Priority Date Filing Date
FR965954D Expired FR965954A (en) 1948-04-30 1948-04-30 Automatic device for signaling failure of light signaling lamps

Country Status (1)

Country Link
FR (1) FR965954A (en)

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