Vibrato arm and system
AssigneeTechnology Connections International Pty Ltd
InventorPeter Joseph Walker
Life of this patent
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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.
Claims9
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, the processor being adapted to define a null region of rotation of the arm in one or both directions, wherein if rotation data falls within said null region, no pitch change instruction is generated;
- and wherein the processor is further adapted to define a transition region of rotation of the arm, separate to the null region, wherein where the rotation data falls within the transition region and the duration of location of the rotational position of the arm, determined from the rotation data, meets predetermined criteria, the centre position of the arm is redefined in the processor to be a new position, and the null region and transition zone are redefined within the processor relative to the new centre position.
Dependencies are inferred from the claim text.