3798637

Information

• Patent Grant
• 3798637

• References
• Source

• Patent Number

  3,798,637

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  50 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/16 - Coarse and fine conversions
  • H03M2201/17 - Multiplexing
  • H03M2201/196 - Communications systems
  • H03M2201/2208 - with separate comparision for each quantization level
  • H03M2201/2241 - using a single stage
  • H03M2201/2283 - with scaling between the steps or stages
  • H03M2201/2291 - with auxiliary D/A converter
  • H03M2201/3115 - Simultaneous addition or subtraction of selected values
  • H03M2201/3168 - Resistors
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/4135 - Momentary value
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/4291 - Unit distance code
  • H03M2201/52 - Digital conversions
  • H03M2201/522 - Non-denominational/denominational Pure/combination code
  • H03M2201/525 - Normal/reflected
  • H03M2201/534 - Logarithmic, exponential
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6121 - Automatic
  • H03M2201/712 - at input
  • H03M2201/715 - Electrical
  • H03M2201/716 - Mechanical
  • H03M2201/72 - Computing
  • H03M2201/8128 - Diodes
  • H03M2201/8132 - Transistors
  • H03M2201/8156 - Varistors

• US Classifications

  • 341 - Coded data generation or conversion
  • 367 - Communications, electrical: acoustic wave systems and devices
  • 375 - Pulse or digital communications