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The authors propose a new system for sensing the position of a slim marker using phase detection to enhance position accuracy. A slim wireless LC resonated marker (1.2 mm in diameter and 10 mm long) was fabricated and a detector was formed by connecting high-speed AD converters. The system has a position accuracy of around 1 mm, and it can be used for highly accurate position sensing without magnetic...
A wireless multi-motion capture system using five LC resonant magnetic markers has been developed and is demonstrated. Each marker has an individual resonant frequency, 157, 201, 273, 323, and 440 kHz, respectively. A new measuring technique is applied in order to reduce the acquisition time. In this new technique the markers are excited by a superposed wave corresponding to the all resonant frequencies,...
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