Vibrato arm and system
AssigneeTechnology Connections International Pty Ltd
InventorPeter Joseph WALKER
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Abstract
A manual vibrato control device, system and processing arrangement are disclosed. A manual vibrato includes a rotatable shaft, a raised cam section on the shaft, first and second biased collars received on the shaft either side of the cam section, the bias of the first collar being rotationally opposite to the bias of the second collar such that as the shaft rotates in one direction, it receives a return force from the first collar but does not rotate the second collar, and vice versa. Also disclosed are processing techniques to take the rotational data from rotational sensors, preferably Hall Effect, on the shaft and generate pitch change instructions for a pitch modification device. The mapping is user controllable to produce desired effects and performance.
Claims59
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A manual vibrato system, including a manually operated vibrato control device comprising an arm, a rotation sensor to sense rotation of the arm and produce rotation data, and a processor receiving said rotation data, and in response to the rotation data generating pitch change instructions for communication to a pitch modification device.
A manual vibrato control device for use with an electronic pitch modification device, wherein the device includes a rotatable shaft, a raised cam section on the shaft, first and second collars received on the shaft either side of the cam section, each collar being rotatable relative to the shaft and having a resilient bias urging it towards a central position, the bias of the first collar being rotationally opposite to the bias of the second collar, the first and second collars and the cam section engaging at respective surfaces such that as the shaft rotates in one direction, it receives a return force from the first collar but does not rotate the second collar, and that as the shaft rotates in the second, opposite direction, it receives a return force from the second collar but does not rotate the first collar.
A manual vibrato control device, including a rotatable shaft, an arm received on the shaft, two magnets arranged in or adjacent to the shaft and having oppositely directed polarities, and a Hall effect sensor positioned stationary relative to the rotation of the shaft, such that magnets rotate with the shaft, and the sensor measures changes in the value and polarity of the magnetic field to produce rotation data indicative of the rotational position of the shaft.
Dependencies are inferred from the claim text.