Loudspeaker system for electronic piano
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 4, 1998
Grant Date -
N/A
app pub date -
Jan 15, 1997
filing date -
Jan 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic piano, comprises: a sound box having a configuration as in a stringed piano; an electronic keyboard carried by the sound box; an amplifying system; and, a control system for the electronic keyboard and the amplifying system. In a configuration corresponding to an upright piano, the sound box has first and second tweeters mounted through the top and directed upwardly, first and second mid-range speakers mounted through the rear wall and directed rearwardly, and first and second woofers directed angularly toward respective front-bottom corners of the sound box. The front wall has two openings through which sound reverberating inside the sound box is emitted. In a configuration corresponding to a grand piano, the sound box has first and second tweeters mounted on the bottom and directed upwardly, first and second mid-range speakers mounted through the bottom and directed downwardly, third and fourth mid-range speakers mounted on the bottom and directed upwardly, first and second woofers mounted through the bottom and directed downwardly, and third and fourth woofers mounted on the bottom and directed upwardly.
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