(under subclass 524) Subject matter wherein a nonlinear circuit device includes an electron tube which performs at least two independent operations either simultaneously or selectively.
(1) Note. An example for this subclass is a circuit including a tube which may be used alternatively as a rectifier or a non-linear amplifier, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
334+, for a circuit which relates an output signal to an input signal by a mathematical operation or function.
SEE OR SEARCH CLASS
331, Oscillators,
58, for free running oscillators wherein the tube or tubes of the oscillator perform other functions simultaneously with the oscillatory function and subclass 59 for convertible oscillator systems (e.g., oscillator to amplifier, etc.).
