3463919

Information

• Patent Grant
• 3463919

• References
• Source

• Patent Number

  3,463,919

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1969
  55 years ago

• CPC

  • G01S13/931 - between land vehicles; between land vehicles and fixed obstacles
  • B60T7/128 - Self-acting brakes of different types for railway vehicles
  • B60T13/665 - the systems being specially adapted for transferring two or more command signals
  • B61K7/12 - electrically controlled
  • G01S1/72 - using ultrasonic, sonic or infrasonic waves
  • G01S13/18 - wherein range gates are used
  • G01S2013/9321 - for velocity regulation
  • G01S2013/9328 - for vehicles on rails
  • G01S2013/9346 - controlling the brakes
  • G01S2013/9353 - using own vehicle data
  • G01S2013/9364 - Alternative operation using ultrasonic waves
  • G01S2013/9375 - in the front of the vehicle

• US Classifications

  • 246 - Railway switches and signals
  • 104 - Railways