Stringed instrument with active string termination motion control
OwnerPaul F. Ierymenko, Edgar Joseph Berdahlinventors
Life of this patent
Estimating the term…
Abstract
A system for controlling for at least one string of a musical instrument by selectively exciting or damping vibration of the string is provided. The system includes at least one transducer configured to sense a lateral vibration of the string and/or to apply an actuating force to the string. A controller is configured to determine an actuating signal for driving the actuator to apply a longitudinal actuating force to the string at a termination point of the string. The longitudinal actuating force are operable to modulate a tension of the string that increases and/or damps the lateral vibration and/or selected harmonics thereof.
Claims5
A circuit for sensing motion of a musical instrument string, the circuit comprising:
- an ultrasonic emitter configured to emit ultrasonic vibrations of a wavelength smaller than a diameter of the string so that ultrasonic vibrations from the ultrasonic emitter impinge upon and are reflected by the string;
- and
- at least one ultrasonic sensor configured to receive the ultrasonic vibrations reflected by the string.
Dependencies are inferred from the claim text.