TREA

using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

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Industry

  • CPC
  • H04Q1/38
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Parent Industries

HELECTRICITY H04Electric communication H04QSELECTING H04Q1/00Details of selecting apparatus or arrangements for establishing connections among stations for the purpose of transferring information via these connections

Current Industry

H04Q1/38using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
Industries