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1. 发明授权

US5373857A Head tracking apparatus 失效
标题翻译：头跟踪装置
公开(公告)号：US5373857A
公开(公告)日：1994-12-20
申请号：US079466
申请日：1993-06-18
申请人： Paul J. Travers , Ying S. Yee
发明人： Paul J. Travers , Ying S. Yee
IPC分类号： G01C17/30 , G06F3/00 , G06F3/01 , G09B9/30 , A61B5/103
CPC分类号： G06F3/012 , G01C17/30 , G09B9/307
摘要： A low cost head tracker for a virtual reality head set for determining the orientation of the head set relative to the earth's magnetic field includes a magnetic sensor responsive to the earth's magnetic field, and disposed on the head set and arranged with respect to a vertical axis of rotation of the head set to produce a displacement signal relative to the angular displacement of the head set with respect to a calibration orientation relative to the earth's magnetic field, and a signal processor connected to the magnetic sensor, and responsive to the electrical displacement signal for producing an output signal proportional to the orientation of the head set relative to the calibration orientation.
摘要翻译：用于确定磁头组相对于地球磁场的取向的虚拟现实头部的低成本磁头跟踪器包括响应于地球磁场的磁传感器，并且设置在磁头组上并相对于垂直轴线布置头部的旋转以相对于相对于地球磁场的校准定向相对于头组的角位移产生位移信号，以及连接到磁传感器的信号处理器，并且响应于电位移信号用于产生与头组相对于校准取向的取向成比例的输出信号。

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