3668428

Information

• Patent Grant
• 3668428

• References
• Source

• Patent Number

  3,668,428

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • G06G7/20 - for evaluating powers, roots, polynomes, mean square values, standard deviation
  • G01R19/03 - using thermoconverters
  • G01R19/225 - by means of thermocouples or other heat sensitive elements

• US Classifications

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