Acoustic keyboard musical instrument
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 10, 1990
Issued Date -
N/A
app pub date -
Nov 3, 1988
filing date -
Feb 6, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An acoustic keyboard musical instrument such as a piano includes a keyboard, a mechanical musical tone generating mechanism, a fallboard, and an operation panel for an external electronic musical tone generating unit. The keyboard includes a plurality of keys aligned on a musical instrument body. The fallboard is pivotally supported by the musical instrument body and to be closed/opened so as to cover/uncover the keyboard. The musical tone generating unit electrically generates a musical tone signal in response to a key depression on the keyboard under the control of control information which is provided by switches on the operation panel. The operation panel is located at a position opposite to a performer in the inner surface of the fallboard when the fallboard is open so that the performer can operate the operation panel during his performance at the keyboard.
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