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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04L 12/52

using time division techniques (in digital transmission systems H04L5/22)

Introduced: January 1990

Title

Titles differ between systems:

IPC: using time division techniques

CPC: using time division techniques (in digital transmission systems H04L5/22)

Full Title

Full titles differ between systems:

IPC:

Data switching networks > Circuit switching systems, i.e. systems in which the path is physically permanent during the communication > using time division techniques

CPC:

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 > using time division techniques (in digital transmission systems H04L5/22)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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