FR1178628A - Safety light signal - Google Patents

Safety light signal

Info

Publication number
FR1178628A
FR1178628A FR1178628DA FR1178628A FR 1178628 A FR1178628 A FR 1178628A FR 1178628D A FR1178628D A FR 1178628DA FR 1178628 A FR1178628 A FR 1178628A
Authority
FR
France
Prior art keywords
light signal
safety light
safety
signal
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.)
OUVRARD ET VILLARS
Original Assignee
OUVRARD ET VILLARS
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 OUVRARD ET VILLARS filed Critical OUVRARD ET VILLARS
Application granted granted Critical
Publication of FR1178628A publication Critical patent/FR1178628A/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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2821—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1178628D 1957-07-03 1957-07-03 Safety light signal Expired FR1178628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1178628T 1957-07-03

Publications (1)

Publication Number Publication Date
FR1178628A true FR1178628A (en) 1959-05-13

Family

ID=9660803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1178628D Expired FR1178628A (en) 1957-07-03 1957-07-03 Safety light signal

Country Status (1)

Country Link
FR (1) FR1178628A (en)

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