Class Information
Number: 335/90
Name: Electricity: magnetically operated switches, magnets, and electromagnets > Electromagnetically actuated switches > Periodic (e.g., vibrators) > With vibrating or oscillating element damping, frequency adjusting or vibration control
Description: Subject matter wherein the structure includes means whereby the amplitude of the vibrator or periodic motion, the natural resonant frequency of the vibratory element, or equalization of the periods between the engagement of the movable contact and each one of fixed contacts is controlled or set.
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