2451858

Information

• Patent Grant
• 2451858

• References
• Source

• Patent Number

  2,451,858

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1948
  77 years ago

• CPC

  • H03B5/28 - active element in amplifier being vacuum tube
  • H03B23/00 - Generation of oscillations periodically swept over a predetermined frequency range
  • H03C3/28 - using variable impedance driven mechanically or acoustically

• US Classifications

  • 331 - Oscillators