Keyboard-type tone plate percussion instrument and resonance tube and resonance box for tone plate percussion instrument
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United States of America Patent
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Jul 6, 2010
Grant Date -
Jun 21, 2007
app pub date -
Dec 13, 2006
filing date -
Dec 13, 2005
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Abstract
A keyboard-type tone plate percussion instrument which is simple in construction and light in weight and capable of easily unifying key-operation feelings and efficiently outputting well-balanced sounds. Percussion units are arranged to respectively correspond to keys and tone plates and each strike a corresponding tone plate when driven by a key depressing operation. A resonance box has resonance chambers corresponding to the tone plates and each having an opening side thereof close to a corresponding tone plate. The tone plates are constructed into a single-stage structure where they are arranged in an order of tone pitch in a direction of array of the keys so that tone plates neighboring in specific tone pitch are arranged adjacent to each other. The percussion units are constructed into a single-stage structure where they are arranged to correspond to array of the tone plates.
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