Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03B
GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
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2201/00
Aspects of oscillators relating to varying the frequency of the oscillations
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H03B2201/02
Varying the frequency of the oscillations by electronic means
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H03B2201/025
the means being an electronic switch for switching in or out oscillator elements
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