Automatic player piano equipped with mute lock system for reprod

Details Automatic player piano equipped with mute lock system for reprod Automatic player piano equipped with mute lock system for reprod

1993-02-04

1995-09-19

Shoop, Jr., William M.

Music

Instruments

Automatic

84 21, 84221, G10F 102, G10C 326

Patent

active

054517060

ABSTRACT:
An automatic player piano largely comprises mechanical components such as a keyboard, key action mechanisms, hammer mechanisms, damper mechanisms and pedal mechanisms and electrical components such as solenoid operated actuators associated with the keyboard and the pedal mechanism, a controller and sensors, and the pedal mechanism for a soft pedal is further associated with a mute lock mechanism so that the pedal mechanism can cause the hammers closer to the associated music wires for producing faint sounds.

REFERENCES:
patent: 762489 (1904-06-01), Norris
patent: 901906 (1908-10-01), Ives
patent: 945850 (1910-01-01), Mayer
patent: 954043 (1910-04-01), Norcross
patent: 4756223 (1988-07-01), Murakami
patent: 4924742 (1990-05-01), Numata et al.
patent: 5335574 (1994-08-01), Matsunaga et al.

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