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AssigneeYamaha Corporation
InventorsTomoyuki Ura, Tsutomu Sasaki
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A keyboard musical instrument includes an acoustic piano for generating acoustic tones, a silent system for rebounding the hammer assemblies between the escape from the key action mechanisms and strikes against strings and automatic playing system for actuating the key action mechanisms without fingering, and the automatic playing system generates electronic tones on the basis of the key motions monitored by associated key sensors, wherein the space between the rest position and the end position is divided into plural sections, and a controller calculates a key velocity in each of the plural sections so as to exactly determine the key motion, thereby improving the fidelity of the electronic sounds to the key motion.
A keyboard musical instrument comprising
An information processing system for categorizing a motion of a manipulator into one of predetermined kinds of motions, comprising:
Dependencies are inferred from the claim text.