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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G06K 21/08

Apparatus or tools for correcting punching or slotting errors

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting > Apparatus or tools for correcting punching or slotting errors

CPC:

Information retrieval from punched cards designed for manual use or handling by machine (G06K19/00 takes precedence; detection or correction of errors by rescanning patterns G06V10/98; checking correct operation of card-conveying mechanisms G06K13/06); Apparatus for handling such cards, e.g. marking or correcting > Apparatus or tools for correcting punching or slotting errors

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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