DIFF Subgroup
F15C 1/10 for digital operation, e.g. to form a logical flip-flop, OR-gate, NOR-gate
Introduced: September 1968
Full Title
Circuit elements having no moving parts > Boundary-layer devices, e.g. wall-attachment amplifiers > for digital operation, e.g. to form a logical flip-flop, OR-gate, NOR-gate
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- F15C 1/12 Multiple arrangements thereof for performing operations of the same kind, e.g. majority gates, identity gates IPC+CPC Available in IPC and CPC