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Their trackers can be used with or without kalman filtering.
Their trackers can be used with or without kalman filtering.
−They have filed patents on magnetic tracking technology, including [[US7873491B2]].
+They have filed patents on magnetic tracking technology.
Polhemus' systems are comprised of a system electronics unit (SEU), a source, and at least one sensor. The SEU connects to a computer and plugs in to the source(s) and sensors.
Polhemus' systems are comprised of a system electronics unit (SEU), a source, and at least one sensor. The SEU connects to a computer and plugs in to the source(s) and sensors.