3737891

Information

• Patent Grant
• 3737891

• References
• Source

• Patent Number

  3,737,891

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1973
  51 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/14 - Scale factor modification
  • H03M2201/192 - Measuring systems
  • H03M2201/24 - Intermediate conversion to pulse frequency type
  • H03M2201/3115 - Simultaneous addition or subtraction of selected values
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/3168 - Resistors
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/4135 - Momentary value
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4266 - Decimal radix
  • H03M2201/4279 - Pure
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6121 - Automatic
  • H03M2201/8112 - Gaseous tubes
  • H03M2201/8116 - Counting tubes Beam switching tubes
  • H03M2201/8132 - Transistors
  • H03M2201/8156 - Varistors

• US Classifications

  • 341 - Coded data generation or conversion