Hansen; Per Krogh
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hansen; Per Krogh.The latest application filed is for "ac magnetic tracker for operation close to metallic objects".
- Hansen; Per Krogh - Colchester VT
- Hansen; Per Krogh - Burlington VT
| Patent | Date |
|---|---|
| AC magnetic tracker for operation close to metallic objects Grant 6,528,989 - Hansen March 4, 2 | 2003-03-04 |
| Sourceless orientation sensor Grant 5,953,683 - Hansen , et al. September 14, 1 | 1999-09-14 |
| Hybrid motion tracker Grant 5,831,260 - Hansen November 3, 1 | 1998-11-03 |
| Magnetic field position and orientation measurement system with dynamic eddy current rejection Grant 5,767,669 - Hansen , et al. June 16, 1 | 1998-06-16 |
| Magnetic motion tracker with transmitter placed on tracked object Grant 5,744,953 - Hansen April 28, 1 | 1998-04-28 |
| Optical 6D measurement system with two fan shaped beams rotating around one axis Grant 5,742,394 - Hansen April 21, 1 | 1998-04-21 |
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