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PCE
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DIFF Subgroup
G06F 11/1479

Generic software techniques for error detection or fault masking

Introduced: January 2026

Full Title

Full titles differ between systems:

IPC:

Error detection; Error correction; Monitoring > Responding to the occurrence of a fault, e.g. fault tolerance > Error detection or correction of the data by redundancy in operations > Generic software techniques for error detection or fault masking

CPC:

Error detection; Error correction; Monitoring (error detection, correction or monitoring in information storage based on relative movement between record carrier and transducer G11B20/18; monitoring, i.e. supervising the progress of recording or reproducing G11B27/36; in static stores G11C29/00) > Responding to the occurrence of a fault, e.g. fault tolerance > Error detection or correction of the data by redundancy in operations (error detection or correction of the data by redundancy in hardware G06F11/16) > Generic software techniques for error detection or fault masking

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 2026.

Child Classifications

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  • G06F 11/1487 using N-version programming since 2026 IPC+CPC Available in IPC and CPC
  • G06F 11/1489 using recovery blocks since 2026 IPC+CPC Available in IPC and CPC