Keyboard instrument

Details Keyboard instrument Keyboard instrument

2006-07-18

2006-07-18

Donels, Jeffrey W (Department: 2837)

Music

Instruments

Electrical musical tone generation

C084S177000, C084SDIG017

Reexamination Certificate

active

07078611

ABSTRACT:
An instrument main body has a keyboard including a plurality of keys and sound generators (for example, speakers) at a rear of the keyboard. At the rear of the keyboard, an upper surface cover portion composed of an upper panel, a operating panel, and so on is provided to cover an upper portion of the instrument main body. In the operating panel, tone escape portions are provided at right and left regions separated in a direction in which the keys of the instrument main body are arranged. Further, a rear panel is erected on the upper panel at a rear of the tone escape portions and having a width equal to or larger than the entire width of the keyboard in the direction in which the keys are arranged and a height larger than the length of the key in its longitudinal direction.

REFERENCES:
patent: 4635521 (1987-01-01), Bellini
patent: 5031500 (1991-07-01), Koike et al.
patent: 5086686 (1992-02-01), Misawa et al.
patent: 5248846 (1993-09-01), Koike et al.
patent: 6828497 (2004-12-01), Yataka et al.
patent: 6916980 (2005-07-01), Ishida et al.
patent: 2003/0051594 (2003-03-01), Ishihara et al.
patent: 2720459 (1997-11-01), None
patent: 2002-244661 (2001-02-01), None
patent: 2002-297141 (2002-10-01), None

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