2209395

Information

• Patent Grant
• 2209395

• References
• Source

• Patent Number

  2,209,395

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1940
  84 years ago

• CPC

  • H04L13/14 - Electronic distributors
  • H03B19/10 - using multiplication only
  • H03K5/1536 - Zero-crossing detectors
  • H04M19/02 - providing ringing current or supervisory tones

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 331 - Oscillators