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1. 发明授权

US06429652B1 System and method of providing a resonant micro-compass 失效
标题翻译：提供谐振微罗盘的系统和方法
公开(公告)号：US06429652B1
公开(公告)日：2002-08-06
申请号：US09598621
申请日：2000-06-21
申请人： Mark G. Allen , Thierry C. Leichle
发明人： Mark G. Allen , Thierry C. Leichle
IPC分类号： G01R3302
CPC分类号： G01R33/02 , G01C17/28
摘要： A resonant micro-compass for detecting the Earth's magnetic field while requiring minimal power is disclosed Generally, the micro-compass comprises a resonant structure that is driven at its resonant frequency, which requires minimal power. The resonant frequency of the resonant structure is then measured and the resonant structure is caused to oscillate. A magnet is located on the resonant structure such that introduction of the Earth's magnetic field to the oscillating resonant structure causes a reaction by the magnet which, in turn, changes the resonant frequency of the resonant structure to shift. This shift of resonant frequency is then measured, thereby allowing the micro-compass to detect the direction of the magnetic field with extreme accuracy.
摘要翻译：公开了一种用于在需要最小功率的情况下检测地球磁场的共振微罗盘。通常，微罗盘包括以其谐振频率驱动的谐振结构，其需要最小的功率。然后测量谐振结构的谐振频率并使谐振结构振荡。磁体位于谐振结构上，使得将地球磁场引入振荡谐振结构引起磁体的反应，磁体又使谐振结构的谐振频率发生变化。然后测量谐振频率的偏移，从而允许微罗盘以极高的精度检测磁场的方向。

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