3537002

Information

• Patent Grant
• 3537002

• References
• Source

• Patent Number

  3,537,002

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1970
  54 years ago

• CPC

  • G06G7/14 - for addition or subtraction
  • G01P3/60 - by measuring or comparing frequency of generated currents or voltages
  • G01R23/10 - by converting frequency into a train of pulses, which are then counted
  • G06F7/605 - Additive or subtractive mixing of two pulse rates into one
  • G06F7/62 - Performing operations exclusively by counting total number of pulses; Multiplication, division or derived operations using combined denominational and incremental processing by counters

• US Classifications

  • 324 - Electricity: measuring and testing