2797403

Information

• Patent Grant
• 2797403

• References
• Source

• Patent Number

  2,797,403

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1957
  68 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
  • 324 - Electricity: measuring and testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 346 - Recorders