FR810271A - Control device for switching on and off electric lamps - Google Patents

Control device for switching on and off electric lamps

Info

Publication number
FR810271A
FR810271A FR810271DA FR810271A FR 810271 A FR810271 A FR 810271A FR 810271D A FR810271D A FR 810271DA FR 810271 A FR810271 A FR 810271A
Authority
FR
France
Prior art keywords
switching
control device
electric lamps
lamps
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
French (fr)
Inventor
Henri Lavoisier
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
Application granted granted Critical
Publication of FR810271A publication Critical patent/FR810271A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/07Controlling traffic signals
    • G08G1/085Controlling traffic signals using a free-running cyclic timer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR810271D 1935-12-05 1935-12-05 Control device for switching on and off electric lamps Expired FR810271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR810271T 1935-12-05

Publications (1)

Publication Number Publication Date
FR810271A true FR810271A (en) 1937-03-18

Family

ID=9255094

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810271D Expired FR810271A (en) 1935-12-05 1935-12-05 Control device for switching on and off electric lamps

Country Status (1)

Country Link
FR (1) FR810271A (en)

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