G11B 20/10305 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G11B 20/10305

Full Title

Signal processing not specific to the method of recording or reproducing; Circuits therefor > Digital recording or reproducing

Of 10 combined children, 0 exist in both systems.

10 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.