3164802

Information

• Patent Grant
• 3164802

• References
• Source

• Patent Number

  3,164,802

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1965
  59 years ago

• CPC

  • B61L13/047 - controlling inductively or magnetically
  • G01V3/101 - by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
  • G08G1/042 - using inductive or magnetic detectors

• US Classifications

  • 340 - Communications: electrical
  • 246 - Railway switches and signals
  • 331 - Oscillators
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems