2412485

Information

• Patent Grant
• 2412485

• References
• Source

• Patent Number

  2,412,485

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1946
  79 years ago

• CPC

  • H03K4/22 - combined with transitron
  • G06G7/186 - using an operational amplifier comprising a capacitor or a resistor in the feedback loop
  • H01F38/10 - Ballasts
  • H03K4/12 - in which a sawtooth voltage is produced across a capacitor
  • H03K4/20 - using a tube with negative feedback by capacitor

• US Classifications

  • 331 - Oscillators
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems