MOBILE POSITIONING STRUCTURE FOR AN AXIAL ROD MOTOR
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United States of America Patent
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Issued Date -
Mar 25, 2010
app pub date -
Sep 25, 2008
filing date -
Sep 25, 2008
priority date (Note) -
Abandoned
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Abstract
A mobile positioning structure for an axial rod motor comprises a base on which being disposed a stator, and on the stator is disposed a mover on which being mounted an optical signal reader. The stator is provided with a plurality of measurement marks. The position of the mover on the stator is read by the cooperation of an optical reader and measurement marks, such an optical signal reading method is not affected by the magnetic field. Hence, the data detected will be more accurate with less error.
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