3495219

Information

• Patent Grant
• 3495219

• References
• Source

• Patent Number

  3,495,219

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1970
  54 years ago

• CPC

  • H04Q9/12 - using combinations of frequencies

• US Classifications

  • 341 - Coded data generation or conversion
  • 340 - Communications: electrical