G11B 20/00086 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G11B 20/00086

Full Title

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

Of 17 combined children, 0 exist in both systems.

17 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.