Electromagnetic tracking system and method using a...

Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating

Reexamination Certificate

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C342S463000

Reexamination Certificate

active

07015859

ABSTRACT:
Certain embodiments of the present invention provide a system and method for electromagnetic tracking using a three-coil wireless transmitter. The electromagnetic tracking system includes an instrument manipulated by a user to perform a task, a wireless transmitter for broadcasting a wireless signal, a receiver assembly for receiving the wireless signal, and electronics for determining positioning information for the instrument based on a relationship between the receiver assembly and the wireless transmitter. In an embodiment, the wireless transmitter includes a wireless transmitter coil trio. In an embodiment, the receiver assembly includes two receiver coil trios.

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