G11B 20/00007 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G11B 20/00007

Full Title

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

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.