3919476

Information

• Patent Grant
• 3919476

• References
• Source

• Patent Number

  3,919,476

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • H04L25/4923 - using ternary codes
  • H04N1/4135 - in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded

• US Classifications

  • 358 - Facsimile and static presentation processing
  • 375 - Pulse or digital communications