Assignee
POLHEMUS INC
US·8 granted patents·1,470 citations·filing 1992–2003
Top patents by PatentIndex Score
8 records- 0198US5640170APosition and orientation measuring system having anti-distortion source configurationPOLHEMUS INC·Filed 1995·Granted Jun 17, 1997·281 cites·33 claims
- 0297US5307072ANon-concentricity compensation in position and orientation measurement systemsPOLHEMUS INC·Filed 1992·Granted Apr 26, 1994·388 cites·21 claims
- 0396US5453686APulsed-DC position and orientation measurement systemPOLHEMUS INC·Filed 1993·Granted Sep 26, 1995·377 cites·43 claims
- 0494US6369564B1Electromagnetic position and orientation tracking system with distortion compensation employing wireless sensorsPOLHEMUS INC·Filed 2001·Granted Apr 9, 2002·118 cites·26 claims
- 0582US6762600B2Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing a modulated signalPOLHEMUS INC·Filed 2003·Granted Jul 13, 2004·45 cites·35 claims
- 0677US6377041B1Method and apparatus for determining electromagnetic field characteristics within a volumePOLHEMUS INC·Filed 1998·Granted Apr 23, 2002·62 cites·40 claims
- 0774US6624626B2Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signalPOLHEMUS INC·Filed 2002·Granted Sep 23, 2003·63 cites·2 claims
- 0864US6400139B1Methods and apparatus for electromagnetic position and orientation tracking with distortion compensationPOLHEMUS INC·Filed 1999·Granted Jun 4, 2002·136 cites·28 claims
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