Mechanisms for setting frequency: by displacement of devices carried by the pendulum

Official title: {by displacement of devices carried by the pendulum or by adjusting the pendulum length (pendulums and suspension G04B17/02; self- adjustment of the regulating lever G04B18/028, G04B17/22, G04C11/007; adjusting the stroke of the pendulum G04B18/04; time indicating by acoustic means G04B21/00; synchronisation with a standard clock G04C11/007; metronome with a variable length G04F5/027)}

G04B18/003 (Mechanisms for setting frequency: by displacement of devices carried by the pendulum) appears on 3 US grants and 0 published applications in this corpus.