IPC Subgroup
H03K 19/0175 Coupling arrangements; Interface arrangements
Introduced: January 1990
Last revised: January 2006
Full Title
Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits > Coupling arrangements; Interface arrangements
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- PULSE TECHNIQUE
2 direct subcodes
Child Classifications
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- H03K 19/018 using bipolar transistors only
- H03K 19/0185 using field-effect transistors only