ACTUATOR CONTROL IN AUTOMATIC PERFORMANCE OF MUSICAL INSTRUMENT
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United States of America Patent
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Nov 22, 2016
Grant Date -
Nov 24, 2016
app pub date -
May 17, 2016
filing date -
May 17, 2016
priority date (Note) -
Granted
status (Latency Note)
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Abstract
An actuator includes a movable member that, when moving, abuts against a key (performance operator) to move the key. A first sensor detects motion of the key. A second sensor detects motion of the movable member. A processor determines, based on outputs of the sensors, whether or not the key and the movable member are currently in a mutually separated state. When the key and the movable member are in the mutually separated state, the processor controls the actuator in such a manner that the key and the movable member are in contact with each other. When the key and the movable member are not in the mutually separated state, the processor controls the actuator by use of feedback information based on the output of the first sensor, whereas, in the mutually separated state, the actuator is controlled by feedback information based on at least the second sensor output.
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