3470477

Information

• Patent Grant
• 3470477

• References
• Source

• Patent Number

  3,470,477

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • H04B7/2043 - Mixed mode, TDM and FDM systems
  • H03D3/241 - the oscillator being part of a phase locked loop
  • H03D3/242 - combined with means for controlling the frequency of a further oscillator
  • H04B7/216 - Code division or spread-spectrum multiple access
  • H04J1/20 - in which at least one carrier is angle-modulated

• US Classifications

  • 375 - Pulse or digital communications
  • 455 - Telecommunications