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[140] Citation: S.C. Venema, E. Matthes, B. Hannaford, 'Flat Coil Actuator having Coil Embedded in Linkage,'
U.S. Patent #6,437,770, 20-August-2002.
Abstract
A flat-coil actuator embedded in a linkage of a mechanical interface for a force feedback device. The linkage rotates about an axis, where a flat coil is em
bedded in the linkage between two ends or connection points of the linkage. Magnets are positioned parallel to the flat coil, where a force is produced on the
linkage when a current is flowed in the coil. An embedded position sensor, such as an optical encoder, can be coupled to the linkage. A force feedback device i
ncorporating the flat-coil actuator includes a user manpulandum, where the linkage is coupled between a ground and the user manipulandum. Other linkages can al
so be coupled to the actuator to provide mechanisms such as a five-bar linkage mechanism.
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Updated: Tue Jan 6 13:41:40 2009
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