3075129

Information

• Patent Grant
• 3075129

• References
• Source

• Patent Number

  3,075,129

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1963
  62 years ago

• CPC

  • H04L27/08 - Amplitude regulation arrangements
  • H04J1/14 - Arrangements providing for calling or supervisory signals
  • H04L25/24 - Relay circuits using discharge tubes or semiconductor devices
  • H04L27/06 - Demodulator circuits Receiver circuits
  • H04Q1/4465 - the same frequency being used for all signalling information

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 329 - Demodulators