Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03K
PULSE TECHNIQUE
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3/00
Circuits for generating electric pulses; Monostable, bistable or multistable circuits
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H03K3/02
Generators characterised by the type of circuit or by the means used for producing pulses
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H03K3/04
by the use, as active elements, of vacuum tubes only, with positive feedback
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H03K3/05
using means other than a transformer for feedback
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H03K3/06
using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator
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