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A new tracking system of jaw movement using two magnets

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7 Author(s)
S. Yabukami ; Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan ; H. Kanetaka ; N. Tsuji ; A. Itagaki
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We have developed a new tracking system of jaw movement. The system consists of two permanent NdFeB magnets and 32 elements of a two-axial fluxgate sensor array. The magnets are attached to a portion of the head and front tooth. This system does not need any attachments to the head portion or mouth, such as a clutch or magnetic field sensor, except magnets. The proposed system is applicable for five degrees of freedom. Positional accuracy within 2 mm was achieved.

Published in:

IEEE Transactions on Magnetics  (Volume:38 ,  Issue: 5 )