Classifications

• • G—PHYSICS
  • G08—SIGNALLING
  • G08G—TRAFFIC CONTROL SYSTEMS
  • G08G1/00—Traffic control systems for road vehicles
  • G08G1/09—Arrangements for giving variable traffic instructions
  • G08G1/095—Traffic lights
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01K—ELECTRIC INCANDESCENT LAMPS
  • H01K9/00—Lamps having two or more incandescent bodies separately heated
  • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Circuit Arrangement For Electric Light Sources In General (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5857270

Family Applications (1)

Country Status (5)

Families Citing this family (2)

• 1972
  • 1972-09-25 DE DE19722246914 patent/DE2246914C3/de not_active Expired
• 1973
  • 1973-07-19 CH CH1056073A patent/CH580336A5/xx not_active IP Right Cessation
  • 1973-09-21 NL NL7313067A patent/NL7313067A/xx not_active Application Discontinuation
  • 1973-09-21 GB GB4435673A patent/GB1438134A/en not_active Expired
  • 1973-09-25 BE BE136004A patent/BE805268A/xx unknown

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