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1. 发明申请

US20150077092A1 MAGNETIC ENCODER APPARATUS 有权
标题翻译：磁性编码器装置
公开(公告)号：US20150077092A1
公开(公告)日：2015-03-19
申请号：US14382629
申请日：2013-03-06
申请人： RENISHAW PLC , RLS MERILNA TEHNIKA D.O.O.
发明人： Peter Kogej , Aljaz Ogrin , Gregor Dolsak , Blaz Hajdinak
IPC分类号： G01D5/12
CPC分类号： G01D5/12 , G01D5/24409 , G01D5/2458
摘要： A magnetic encoder apparatus is presented that includes a plurality of magnetic sensor elements (e.g. Hall sensors) for reading an associated magnetic scale that produces a periodically repeating magnetic pattern. The plurality of magnetic sensor elements produce a plurality of sensor signals and an analyzer is provided for analyzing the plurality of sensor signals to provide a measure of the position of the magnetic sensor elements relative to the associated magnetic scale. The analyzer is arranged to use the plurality of sensor signals to assess the period of the periodically repeating magnetic pattern sensed by the plurality of magnetic sensor elements. In this manner, the requirement to carefully match the period of the sensor elements with the periodically repeating magnetic pattern of the associated magnetic scale is avoided.
摘要翻译：提出了一种磁性编码器装置，其包括用于读取产生周期性重复的磁性图案的相关磁标度的多个磁性传感器元件（例如霍尔传感器）。多个磁传感器元件产生多个传感器信号，并且提供分析器用于分析多个传感器信号以提供磁传感器元件相对于相关磁标尺的位置的量度。分析器布置成使用多个传感器信号来评估由多个磁传感器元件感测到的周期性重复磁图案的周期。以这种方式，避免了将传感器元件的周期与相关磁标度的周期性重复的磁性图案仔细地匹配的要求。

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