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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H03K 19/177

arranged in matrix form

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits > using specified components > using elementary logic circuits as components > arranged in matrix form

CPC:

Logic circuits, i.e. having at least two inputs acting on one output (circuits for computer systems using fuzzy logic G06N7/02); Inverting circuits > using specified components (, H03K19/003 - H03K19/0175 take precedence) > using elementary logic circuits as components > arranged in matrix form

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

IPC defines codes here since 2020.

Child Classifications

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