Musical instrument performing artistic visual expression and...

Details Musical instrument performing artistic visual expression and... Musical instrument performing artistic visual expression and...

2007-09-11

2007-09-11

Fletcher, Marlon (Department: 2837)

Music

Instruments

Electrical musical tone generation

C084S718000, C084S743000, C084S744000

Reexamination Certificate

active

11032190

ABSTRACT:
A set of formation data codes, which includes action event codes and duration codes, is loaded in an automatic player piano, and a controller interprets the action event codes for driving the solenoid-operated key actuators; since the solenoid-operated key actuators slowly push the associated keys, the hammers do not reach the strings, and any piano tone is not produced; the plungers make the keys sunk to different depth so that the keys are laid on a artistic pattern; the controller sequentially changes the artistic pattern, and offers an artistic visual expression to the audience.

REFERENCES:
patent: 5627333 (1997-05-01), Stahnke et al.
patent: 6380469 (2002-04-01), Uehara
patent: 6380472 (2002-04-01), Sugiyama et al.
patent: 2001/0007219 (2001-07-01), Uehara et al.
patent: 2001/0054346 (2001-12-01), Uehara
patent: 0747876 (1996-12-01), None
patent: 1172796 (2002-01-01), None
patent: 9-62255 (1997-03-01), None

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