3480948

Information

• Patent Grant
• 3480948

• References
• Source

• Patent Number

  3,480,948

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1969
  55 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H04J3/18 - using frequency compression and subsequent expansion of the individual signals
  • H03M2201/01 - First edition
  • H03M2201/16 - Coarse and fine conversions
  • H03M2201/196 - Communications systems
  • H03M2201/2344 - the input signal or its derivative varying continuously
  • H03M2201/3105 - Successive addition or subtraction of selected values
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/3178 - Capacitors
  • H03M2201/32 - Intermediate conversion to time interval type
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/4135 - Momentary value
  • H03M2201/417 - Amplitude modulated pulses
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/52 - Digital conversions
  • H03M2201/521 - Bivalued/multivalued
  • H03M2201/526 - Parallel/serial
  • H03M2201/532 - Specific type of non-linearity
  • H03M2201/534 - Logarithmic, exponential
  • H03M2201/712 - at input
  • H03M2201/715 - Electrical
  • H03M2201/847 - Switches
  • H03M2201/91 - Theory

• US Classifications

  • 341 - Coded data generation or conversion
  • 375 - Pulse or digital communications
  • 708 - Electrical computers: arithmetic processing and calculating