H03L 7/143 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H03L 7/143

Full Title

Automatic control of frequency or phase; Synchronisation > using a reference signal applied to a frequency- or phase-locked loop > Details of the phase-locked loop > for assuring constant frequency when supply or correction voltages fail

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →