2173239

Information

• Patent Grant
• 2173239

• References
• Source

• Patent Number

  2,173,239

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1939
  85 years ago

• CPC

  • H03K4/12 - in which a sawtooth voltage is produced across a capacitor
  • H03K4/10 - using as active elements vacuum tubes only

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 333 - Wave transmission lines and networks