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	Reflective apparatus and method for optically sensing relative torque employing Moirè fringes
	CHEN, BO SU
	2004-11-16
著作权人	HONEYWELL INTERNATIONAL INC.
专利号	US6817528
国家	美国
文献子类	授权发明
其他题名	Reflective apparatus and method for optically sensing relative torque employing Moirè fringes
英文摘要	Systems and methods analyze the performance of a mechanical system having two identical rotating members therein. Light is directed from two identical light sources to intercept encoded portions of the rotating members. A portion of the light is reflected from the encoded portions of each rotating member. The reflected portion of the light can be then detected to recover performance data maintained therein, wherein the performance data contains performance characteristics of the mechanical system. A reflected portion of the light can be detected to recover performance data. The light sources can be configured as Vertical Cavity Surface Emitting Lasers (VCSEL). The encoded portions of rotating members thereof can include a bar code. Images from a first encoded surface may interact with an image from a second encoded surface after the light beams are reflected off the first and second rotating surfaces to produce Moirè fringes.
公开日期	2004-11-16
申请日期	2001-07-17
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/48557]
专题	半导体激光器专利数据库
作者单位	HONEYWELL INTERNATIONAL INC.
推荐引用方式 GB/T 7714	CHEN, BO SU. Reflective apparatus and method for optically sensing relative torque employing Moirè fringes. US6817528. 2004-11-16.

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