3176229

Information

• Patent Grant
• 3176229

• References
• Source

• Patent Number

  3,176,229

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1965
  59 years ago

• CPC

  • H02M3/3372 - of the parallel type
  • G01S1/68 - Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
  • H04B1/034 - Portable transmitters
  • H04L15/22 - Apparatus or circuits for sending one or a restricted number of signals

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 331 - Oscillators
  • 375 - Pulse or digital communications
  • 455 - Telecommunications