3541445

Information

• Patent Grant
• 3541445

• References
• Source

• Patent Number

  3,541,445

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G01R19/257 - using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current
  • H03M2201/01 - First edition
  • H03M2201/14 - Scale factor modification
  • H03M2201/192 - Measuring systems
  • H03M2201/2241 - using a single stage
  • H03M2201/2266 - in which the reference is modified at each step or stage
  • H03M2201/2291 - with auxiliary D/A converter
  • H03M2201/2305 - in which a reference signal sweeps through the range of possible values
  • H03M2201/2333 - in which the reference signal is produced from the digital generator using an auxiliary D/A converter
  • H03M2201/3115 - Simultaneous addition or subtraction of selected values
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/3168 - Resistors
  • H03M2201/4135 - Momentary value
  • H03M2201/417 - Amplitude modulated pulses
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4279 - Pure
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6114 - Manual
  • H03M2201/6121 - Automatic
  • H03M2201/712 - at input
  • H03M2201/715 - Electrical
  • H03M2201/847 - Switches

• US Classifications

  • 324 - Electricity: measuring and testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 340 - Communications: electrical
  • 341 - Coded data generation or conversion