US PATENT SUBCLASS 331 / 176
.~ Temperature or current responsive means in circuit


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331 /   HD   OSCILLATORS

175  DF  FREQUENCY STABILIZATION {1}
176.~ Temperature or current responsive means in circuit


DEFINITION

Classification: 331/176

(under subclass 175) Subject matter wherein the oscillator circuit or structure is modified by the addition of a current or temperature responsive element thereto to compensate for the undesirable drift in oscillator frequency caused by the effect of current flow on the circuit parameters or that due to temperature changes (internal or ambient).

SEE OR SEARCH THIS CLASS, SUBCLASS:

69, for an oscillator with outer casing or housing and including a temperature modifier, which modifier may act to stabilize the oscillator frequency with changes in ambient temperature.

70, for an oscillator provided with means for modifying or controlling the temperature of the oscillator or elements thereof.