抄録
3D pointing system is required not only for measuring merely the position in 3D space but also giving information and instructions to the information system. Various types of pointing devices have been developed and used; they are fundamentally based on the position detecting function. The authors invented a new type of 3 D pointing system composed of an elastic string and three non stretchable strings with tension sensors; then proposed a calibration method for the system. They proved the functions of the device and the effectiveness of the calibration methodby manifacturing trial device based on the proposed principle.
