3459892

Information

• Patent Grant
• 3459892

• References
• Source

• Patent Number

  3,459,892

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1969
  55 years ago

• CPC

  • H04L25/4917 - using multilevel codes
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H04L5/04 - the signals being represented by different amplitude or polarities
  • H04L27/00 - Modulated-carrier systems
  • H04L27/02 - Amplitude-modulated carrier systems
  • H04L27/32 - Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
  • H03M2201/01 - First edition
  • H03M2201/196 - Communications systems
  • H03M2201/2208 - with separate comparision for each quantization level
  • H03M2201/3115 - Simultaneous addition or subtraction of selected values
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/3136 - Specific network arrangement
  • H03M2201/3168 - Resistors
  • H03M2201/415 - Amplitude modulated carrier
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/4279 - Pure
  • H03M2201/4287 - Combination code other than those forming a straight power series
  • H03M2201/52 - Digital conversions
  • H03M2201/521 - Bivalued/multivalued
  • H03M2201/523 - between different combination codes between different radices
  • H03M2201/526 - Parallel/serial

• US Classifications

  • 375 - Pulse or digital communications
  • 341 - Coded data generation or conversion