2164383

Information

• Patent Grant
• 2164383

• References
• Source

• Patent Number

  2,164,383

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1939
  85 years ago

• CPC

  • H03C1/56 - comprising variable two-pole elements only
  • H03F9/00 - Magnetic amplifiers
  • H03F9/02 - current-controlled
  • H03D2200/0086 - Reduction or prevention of harmonic frequencies

• US Classifications

  • 330 - Amplifiers
  • 178 - Telegraphy
  • 246 - Railway switches and signals
  • 332 - Modulators
  • 336 - Inductor devices
  • 340 - Communications: electrical
  • 363 - Electric power conversion systems