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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04L 1/20

using signal quality detector

Introduced: January 1980

Title

Titles differ between systems:

IPC: using signal-quality detector

CPC: using signal quality detector

Full Title

Full titles differ between systems:

IPC:

Arrangements for detecting or preventing errors in the information received > using signal-quality detector

CPC:

Arrangements for detecting or preventing errors in the information received > using signal quality detector

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Child Classifications

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