FI-MainGroup/Facet-Choice

  • H04J1/00
  • Frequency-division multiplex systems () [5] HB CC 5K022
  • H04J3/00
  • Time-division multiplex systems () [4,5] HB CC 5K028
  • H04J4/00
  • Combined time-division and frequency-division multiplex systems (H04J 13/00 takes precedence) [2] HB CC 5K022
  • H04J7/00
  • Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels HB CC 5K022
  • H04J9/00
  • Multiplex systems in which each channel is represented by a different type of modulation of the carrier HB CC 5K022
  • H04J11/00
  • Orthogonal multiplex systems (H04J 13/00 takes precedence) [2] HB CC 5K022
  • H04J13/00
  • Code division multiplex systems (for frequency hopping H04B 1/713) HB CC 5K022
  • H04J14/00
  • Optical multiplex systems [5] HB CC 5K102
  • H04J99/00
  • Subject matters not provided for in other groups of this subclass [2009.01] HB CC 5K022
    TOP