3491295

Information

• Patent Grant
• 3491295

• References
• Source

• Patent Number

  3,491,295

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  54 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G01R19/03 - using thermoconverters
  • G01R19/252 - using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
  • H03M2201/01 - First edition
  • H03M2201/1109 - Servo-systems for A/D conversion
  • H03M2201/1136 - with auxiliary A/D conversion of the error signal
  • H03M2201/1163 - the counter being a reversible one
  • H03M2201/14 - Scale factor modification
  • H03M2201/192 - Measuring systems
  • H03M2201/24 - Intermediate conversion to pulse frequency type
  • H03M2201/4135 - Momentary value
  • H03M2201/415 - Amplitude modulated carrier
  • H03M2201/4185 - Frequency modulated pulses
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4266 - Decimal radix
  • H03M2201/51 - Analogue conversions
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6114 - Manual
  • H03M2201/6121 - Automatic
  • H03M2201/847 - Switches

• US Classifications

  • 324 - Electricity: measuring and testing
  • 341 - Coded data generation or conversion
  • 702 - Data processing: measuring, calibrating, or testing