3761890

Information

• Patent Grant
• 3761890

• References
• Source

• Patent Number

  3,761,890

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1973
  51 years ago

• CPC

  • G09F21/04 - by land vehicles
  • G08B5/22 - using electric transmission using electro-magnetic transmission
  • G08G1/096716 - where the received information does not generate an automatic action on the vehicle control
  • G08G1/096758 - where no selection takes place on the transmitted or the received information
  • G08G1/096783 - where the origin of the information is a roadside individual element
  • G08G1/096791 - where the origin of the information is another vehicle
  • G09F11/29 - of a band other than endless
  • G09F13/16 - Signs formed of or incorporating reflecting elements or surfaces
  • G09F2013/0472 - Traffic signs
  • Y10S40/902 - Circuit control

• US Classifications

  • 340 - Communications: electrical
  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators
  • 362 - Illumination