Piano-like keyboard musical instrument for automatically playing

Details Piano-like keyboard musical instrument for automatically playing Piano-like keyboard musical instrument for automatically playing

1994-12-09

1996-06-25

Stanzione, Patrick J.

Music

Instruments

Automatic

84 22, G10F 102

Patent

active

055301983

ABSTRACT:
An automatic player piano is implemented by a combination of an acoustic piano and an automatic playing system, and a velocity feedback loop and an acceleration feedback loop control solenoid-operated key actuator units for reproducing a performance so that the acceleration feedback loop cancels the undesirable increment of the resistances of the solenoid coils and aged deterioration.

REFERENCES:
patent: 4135428 (1979-01-01), Cambell
patent: 4593592 (1986-06-01), Stahnke
patent: 4913026 (1990-04-01), Kaneko et al.

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