(under subclass 524) Subject matter wherein a particular circuit includes a circuit capable of maintaining sustained oscillations or a resonant circuit capable of oscillating freely upon having an impulse of energy applied thereto.
SEE OR SEARCH THIS CLASS, SUBCLASS:
32, for pulse width selecting systems with shock excited circuit.
100+, for non-free running signal generation.
SEE OR SEARCH CLASS
331, Oscillators,
128, and 165+ for shock excited resonant circuit oscillators.