Actuator and robot arm apparatus
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United States of America Patent
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May 8, 2018
Issued Date -
N/A
app pub date -
Feb 19, 2015
filing date -
Mar 6, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
[Object] To detect a rotational angle accurately and also to drive more safely. [Solution] Provided is an actuator (300) including: a reduction gear (320) that reduces, by a certain reduction ratio, a rotational velocity of an input shaft joined to a rotary shaft of a motor (360), and transmits the reduced rotational velocity to an output shaft (350); a first absolute angle encoder (330) that detects a rotational angle of the input shaft; and a second absolute angle encoder (340) that detects a rotational angle of the output shaft.
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