2213855

Information

• Patent Grant
• 2213855

• References
• Source

• Patent Number

  2,213,855

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1940
  84 years ago

• CPC

  • H01J43/025 - Circuits therefor
  • H03K4/12 - in which a sawtooth voltage is produced across a capacitor
  • H03K4/18 - using a single tube exhibiting negative resistance between two of its electrodes

• US Classifications

  • 331 - Oscillators
  • 315 - Electric lamp and discharge devices: systems