Method and apparatus for producing variable intensity in a...

Details Method and apparatus for producing variable intensity in a... Method and apparatus for producing variable intensity in a...

G - Physics

10

F

G10F 1/02 (2006.01) G10C 3/20 (2006.01) G10F 1/00 (2006.01)

Patent

CA 2071873

2071873 9203818 PCTABS00011 A piano is equipped with electromechanical actuators (12) which are individually associated with and operate the keys (14) to reproduce a piano performance. The actuators (12) are selectively energized according to the notes to be played to recreate a piano performance. When an actuator (12) is energized, individual pulses of uniform width are selected from a pulse train and applied to the actuator, with the number of selected pulses varying the overall drive energy supplied to the actuator to closely approximate a desired drive or note intensity.

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