IPC Subgroup
H03K 3/04 by the use, as active elements, of vacuum tubes only, with positive feedback
Introduced: September 1968
Last revised: January 2006
Full Title
Circuits for generating electric pulses; Monostable, bistable or multistable circuits > Generators characterised by the type of circuit or by the means used for producing pulses > by the use, as active elements, of vacuum tubes only, with positive feedback
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- PULSE TECHNIQUE
2 direct subcodes
Child Classifications
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