3647957

Information

• Patent Grant
• 3647957

• References
• Source

• Patent Number

  3,647,957

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • 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