3525991

Information

• Patent Grant
• 3525991

• References
• Source

• Patent Number

  3,525,991

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1970
  54 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G01G3/147 - involving digital counting
  • H03M2201/01 - First edition
  • H03M2201/192 - Measuring systems
  • H03M2201/2241 - using a single stage
  • H03M2201/2266 - in which the reference is modified at each step or stage
  • 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
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4266 - Decimal radix
  • H03M2201/51 - Analogue conversions
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6114 - Manual
  • H03M2201/6121 - Automatic
  • H03M2201/712 - at input
  • H03M2201/715 - Electrical
  • H03M2201/72 - Computing
  • H03M2201/8128 - Diodes
  • H03M2201/8132 - Transistors
  • H03M2201/8156 - Varistors
  • H03M2201/847 - Switches

• US Classifications

  • 341 - Coded data generation or conversion
  • 177 - Weighing scales