3811112

Information

• Patent Grant
• 3811112

• References
• Source

• Patent Number

  3,811,112

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1974
  50 years ago

• CPC

  • B61L17/00 - Switching systems for classification yards
  • B61L7/088 - Common line wire control using series of coded pulses
  • G05D1/0265 - using buried wires
  • G08C19/28 - using pulse code
  • G08C25/00 - Arrangements for preventing or correcting errors Monitoring arrangements
  • G05D1/028 - using a RF signal
  • G05D2201/0213 - Road vehicle

• US Classifications

  • 340 - Communications: electrical
  • 180 - Motor vehicles