3021488

Information

• Patent Grant
• 3021488

• References
• Source

• Patent Number

  3,021,488

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  62 years ago

• CPC

  • H03D3/04 - by counting or integrating cycles of oscillations
  • H03K3/04 - by the use, as active elements, of vacuum tubes only, with positive feedback
  • H03K9/06 - of frequency- or rate-modulated pulses

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 324 - Electricity: measuring and testing