.~.~ Crystal having three or more electrodes in circuit
DEFINITION
Classification: 331/163
(under subclass 158) Subject matter wherein the crystal has three or more electrodes for establishing two or more separate resonant paths through the crystal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
37, for single beat frequency oscillators of the crystal controlled type which utilize single crystals of the plural resonant path type and wherein each path may be resonant to a different frequency the two frequencies being beat together in the active element of the oscillator.
162, for crystal oscillators having plural separate crystals in circuit.
