3414818

Information

• Patent Grant
• 3414818

• References
• Source

• Patent Number

  3,414,818

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1968
  56 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H04B14/048 - Non linear compression or expansion
  • H03M2201/01 - First edition
  • H03M2201/17 - Multiplexing
  • H03M2201/196 - Communications systems
  • H03M2201/2305 - in which a reference signal sweeps through the range of possible values
  • H03M2201/2311 - using a continuously varying analogue reference signal
  • H03M2201/2322 - using a stepwise varying analogue reference signal
  • H03M2201/30 - D/A converters
  • H03M2201/3115 - Simultaneous addition or subtraction of selected values
  • H03M2201/3131 - Direct selection from all possible values
  • 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
  • H03M2201/425 - Non-denominational
  • H03M2201/4262 - Binary radix
  • H03M2201/4279 - Pure
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/52 - Digital conversions
  • H03M2201/523 - between different combination codes between different radices
  • H03M2201/526 - Parallel/serial
  • H03M2201/53 - Non-linear conversions
  • H03M2201/532 - Specific type of non-linearity
  • H03M2201/534 - Logarithmic, exponential
  • H03M2201/712 - at input
  • H03M2201/715 - Electrical
  • H03M2201/847 - Switches

• US Classifications

  • 375 - Pulse or digital communications
  • 333 - Wave transmission lines and networks
  • 341 - Coded data generation or conversion