Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03K
PULSE TECHNIQUE
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2217/00
Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
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H03K2217/94
characterised by the way in which the control signal is generated
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H03K2217/94005
activated by voice or sound
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