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    • 3. 发明公开
    • 위치 검출 시스템
    • 位置检测系统
    • KR1020080043866A
    • 2008-05-19
    • KR1020087007895
    • 2006-10-06
    • 올림푸스 가부시키가이샤
    • 사또,료지우찌야마,아끼오기무라,아쯔시
    • A61B1/00
    • A61B1/041A61B1/00158A61B5/062A61B5/7257A61B34/73A61B2034/732
    • Provided is a position detection system capable of reducing the troubles to be encountered at the time of detecting a position, without any previous calibration measurement. The position detection system comprises a device having a magnetic induction coil mounted thereon, a drive coil arranged outside of the action range of the device and having a position calculation frequency in the neighborhood of the resonance frequency of the magnetic induction coil, for generating an alternating magnetic field to be made to act on the magnetic induction coil, a plurality of magnetic sensors arranged outside of the action range of the device, for detecting the induction magnetic field generated by the magnetic induction coil, amplitude component detection means (50A) for detecting an amplitude component having a phase substantially orthogonal to the alternating magnetic field, from the outputs obtained from the magnetic sensors, and position analysis means (50C) for calculating at least one of the position and the orientation of the device on the basis of the amplitude component.
    • 提供了一种位置检测系统,能够在没有任何先前的校准测量的情况下减少在检测位置时遇到的麻烦。 位置检测系统包括安装有磁感应线圈的装置,布置在装置的动作范围之外的驱动线圈,并且具有在磁感应线圈的共振频率附近的位置计算频率,用于产生交替的 磁场作用在磁感应线圈上,多个磁传感器布置在装置的动作范围之外,用于检测由磁感应线圈产生的感应磁场,用于检测磁感应线圈的振幅分量检测装置(50A) 根据从磁传感器获得的输出,具有与交变磁场基本正交的相位的振幅分量,以及用于基于振幅来计算装置的位置和取向中的至少一个的位置分析装置(50C) 零件。