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'''Polhemus''' is a company that develops [[electromagnetic tracking]] devices.
'''Polhemus''' is a company that develops [[electromagnetic tracking]] devices.
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Polhemus' devices can be found in medical and flight simulator applications.
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Their trackers can be found in medical and flight simulator applications.
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Polhemus' magnetic tracking products generally have very high precision.
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Their magnetic tracking products generally have very high precision.
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Polhemus devices can be used with or without kalman filtering.
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Their trackers can be used with or without kalman filtering.
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Polhemus has filed patents on magnetic tracking technology, including [[US7873491B2]].
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They have filed patents on magnetic tracking technology, including [[US7873491B2]].
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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.
==Products==
==Products==