US PATENT SUBCLASS 331 / 171
.~ Grid to cathode coupled or connected resonant circuit

Current as of: June, 1999
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331 /   HD   OSCILLATORS

167  DF  L-C TYPE OSCILLATORS {4}
171.~ Grid to cathode coupled or connected resonant circuit

DEFINITION

Classification: 331/171

(under subclass 167) Subject matter wherein the inductance-capacitance circuit is effectively coupled or connected between the control electrode (grid) and the common electrode (cathode) of the active element.

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164, for crystal oscillators with crystal circuit connected between grid and cathode.