2466804

Information

• Patent Grant
• 2466804

• References
• Source

• Patent Number

  2,466,804

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1949
  76 years ago

• CPC

  • G08C15/10 - the signals being represented by frequencies or phase of current or voltage in transmission link

• US Classifications

  • 340 - Communications: electrical
  • 346 - Recorders