3227952

Information

• Patent Grant
• 3227952

• References
• Source

• Patent Number

  3,227,952

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1966
  59 years ago

• CPC

  • G01R23/10 - by converting frequency into a train of pulses, which are then counted
  • C23C14/546 - using crystal oscillators
  • G05B1/08 - stepwise sensing
  • G05D5/03 - characterised by the use of electric means

• US Classifications

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