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US 6,288,313 B1Granted
Keyboard musical instrument having split rear top board and/or visual display unit
AssigneeYamaha Corporation
InventorsShigeaki Sato, Atsushi Matsumura
Life of this patent
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Abstract
A grand piano has a split top board, i.e., plural sub-boards selectively opened by a pianist for emphasizing higher registered sounds or lower registered sounds and a visual display, which teaches the pianist how to tune the grand piano in the desired mode for selectively emphasizing the higher/lower registered sounds.
Claims29
An acoustic keyboard musical instrument in the category of a grand piano comprising
- a housing having an upper opening,
- a front cover board turnable with respect to said housing and assigned a front part of said upper opening,
- plural music strings stretched inside of said housing and assigned notes of a scale, respectively,
- a sound board supported by said housing and extending under said plural music strings,
- a bass bridge mounted on said sound board and giving tension to the music strings serving as a part of said plural music strings and assigned to lower registered acoustic sounds,
- a treble bridge mounted on said sound board and giving tension to the music strings serving as another part of said plural music strings and assigned to other lower registered acoustic sounds and to higher registered acoustic sounds,
- a keyboard exposed to a player and having plural keys assigned said notes of said scale, respectively,
- plural vibration generating mechanisms respectively linked with said keys and selectively actuated by the associated keys manipulated by said player for producing acoustic sounds through vibrations of said associated music strings, and
- a split top board having plural sub-boards respectively assigned parts of said upper opening and independently changed between open positions where associated parts of said plural music strings are open to the ambience and closed positions where said associated parts are covered with the associated plural sub-boards.
6 more elements
A keyboard musical instrument comprising:
- a housing defining an inner space;
- a keyboard supported by said housing, and including plural keys respectively assigned notes of a scale and selectively depressed by a player;
- a sound generating system accommodated in said housing, and generating sounds having the notes identical with the notes assigned to the depressed keys;
- a desk board supported by said housing, and keeping a document standing there against for providing a piece of information to said player;
- and
- an image producing system including a video display independent of and adjacent to the side of said desk board, supported by said housing and responsive to an image-carrying signal for producing visual images on a screen thereof and a controller responsive to instructions of said player for generating said image-carrying signal.
3 more elements
An acoustic keyboard musical instrument comprising
- a housing having an upper opening,
- plural music strings stretched inside of said housing and assigned notes of a scale, respectively,
- a keyboard exposed to a player and having plural keys assigned said notes of said scale, respectively,
- plural vibration generating mechanisms respectively linked with said keys and selectively actuated by the associated keys manipulated by said player for producing acoustic sounds through vibrations of said associated music strings,
- a split top board having plural sub-boards respectively assigned parts of said upper opening and independently changed between open positions where associated parts of said plural music strings are open to the ambience and closed positions where said associated parts are covered with the associated sub-boards, and
- an information providing means supported by said housing and including
- a document stand directing a document to said player for providing a first piece of information and
- a visual display adjacent to said document stand and producing visual images on a screen thereof for providing a second piece of information together with said first piece of information.
5 more elements
Dependencies are inferred from the claim text.