2163403

Information

• Patent Grant
• 2163403

• References
• Source

• Patent Number

  2,163,403

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1939
  85 years ago

• CPC

  • H03B5/14 - frequency-determining element connected via bridge circuit to closed ring around which signal is transmitted
  • H03B5/16 - active element in amplifier being vacuum tube
  • H04B3/08 - in negative-feedback path of line amplifier

• US Classifications

  • 331 - Oscillators
  • 333 - Wave transmission lines and networks