G11B 2020/1075 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup Additional Only

G11B 2020/1075

Full Title

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

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.