3480859

Information

• Patent Grant
• 3480859

• References
• Source

• Patent Number

  3,480,859

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1969
  55 years ago

• CPC

  • G01P3/46 - by measuring amplitude of generated current or voltage
  • G01P1/103 - by comparing the value of the measured signal with one or several reference values
  • G01P1/122 - Speed recorders
  • G01P3/58 - by measuring or comparing amplitudes of generated currents or voltage

• US Classifications

  • 324 - Electricity: measuring and testing
  • 361 - Electricity: electrical systems and devices