(under subclass 144) Subject matter wherein the multivibrator includes an additional network for coupling to the oscillator a source, usually periodic of synchronizing or triggering potential to drive or lock the period of the freely running multivibrator to the period of the source or to some multiple or submultiple thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
18+, for oscillators of the automatic frequency controlled type wherein the oscillator frequency is synchronized with a standard or reference frequency source.
41, for beat frequency oscillators that are locked to or synchronized with a standard or reference frequency.
55, for plural oscillators which are synchronized relative to each other or to another source.
87, for magnetron type oscillators with means to pulse the oscillator.
149, for blocking oscillators with sync, trigger or pulsing circuit. 153, for relaxation oscillators in general with synchronizing, triggering or pulsing circuit.
172+, for oscillators in general with synchronizing, triggering or pulsing means.
