CPC Subgroup
H04L 12/50 Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
Full Title
Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F13/00) > Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
1 direct subcode
Child Classifications
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- H04L 12/52 using time division techniques (in digital transmission systems H04L5/22)