2378326

Information

• Patent Grant
• 2378326

• References
• Source

• Patent Number

  2,378,326

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1945
  79 years ago

• CPC

  • H04J7/02 - in which the polarity of the amplitude is characteristic
  • Y10T307/944 - Power circuit controlled

• US Classifications

  • 370 - Multiplex communications
  • 307 - Electrical transmission or interconnection systems
  • 340 - Communications: electrical
  • 455 - Telecommunications