DIFF Subgroup
H03J 3/12 Electrically-operated arrangements for indicating correct tuning
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Continuous tuning > Details > Electrically-operated arrangements for indicating correct tuning
CPC:
Continuous tuning (H03J7/00, H03J9/00 take precedence; combination of continuous and discontinuous tuning other than for bandspreading H03J5/00) > Details > Electrically-operated arrangements for indicating correct tuning
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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