发明授权
US07982713B2 Multi-pointing method using magnetic field and device therefor 有权
使用磁场的多指点法及其装置

Multi-pointing method using magnetic field and device therefor
摘要:
A multi-pointing method using a magnetic field is provided. When one or more pointing devices that generate magnetic fields move or rotate, locations and directions of rotation of the one or more pointing devices are sensed based on patterns of magnetic fields generated by the one or more pointing devices and changes in the patterns.
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