2835739

Information

• Patent Grant
• 2835739

• References
• Source

• Patent Number

  2,835,739

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1958
  66 years ago

• CPC

  • H04J1/14 - Arrangements providing for calling or supervisory signals
  • H01J1/14 - characterised by the material
  • H04J1/00 - Frequency-division multiplex systems
  • H04J1/06 - Arrangements for supplying the carrier waves Arrangements for supplying synchronisation signals
  • H04J1/18 - in which all the carriers are amplitude-modulated

• US Classifications

  • 370 - Multiplex communications
  • 332 - Modulators