Integrated wireless linear motor
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United States of America Patent
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Sep 19, 2006
Issued Date -
N/A
app pub date -
Feb 13, 2004
filing date -
Mar 17, 2003
priority date (Note) -
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Abstract
A wireless linear motor comprising: a stationary stator having permanent magnets; a movable stage having coils and a controller with a transceiver for wirelessly communicating with an external data processing system, the controller adapted to energize the coils to position the stage over the stator in response to control signals from the external system; and, a frame having first and second electrically conductive linear guides for slideably mounting the stage over the stator, wherein each linear guide has a stage portion attached to the stage through a first electrical insulator, a frame portion attached to the frame through a second electrical insulator, a plurality of ball bearings disposed between and electrically coupling the stage and frame portions, and a conductor coupling the stage portion to the controller for providing electrical power from an external power supply to the controller through the frame portion of each guide.
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