3523249

Information

• Patent Grant
• 3523249

• References
• Source

• Patent Number

  3,523,249

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  53 years ago

• CPC

  • H04J7/02 - in which the polarity of the amplitude is characteristic

• US Classifications

  • 455 - Telecommunications
  • 370 - Multiplex communications