US Patent 7974503 Fiber grating sensor

Patent 7974503 was granted and assigned to National Chiao Tung University on July, 2011 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

National Chiao Tung University

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

79745030

Patent Inventor Names

Sheng-Chiang Kao0

An-Bin Huang0

Date of Patent

July 5, 2011

Patent Application Number

124582330

Date Filed

July 6, 2009

Patent Primary Examiner

‌

Air Flow Company, Inc.

Patent abstract

A fiber grating sensor including an elastic circular plate and one or two FBG'ss attached to the bottom surface of the elastic circular plate. Two ends of the FBG are connected to an optic fiber for signal transmission. The fiber grating sensor readouts are independent of temperature variation. The fiber grating sensor mechanism according to the present invention may be applied in a variety of sensors such as gauge pressure transducer, differential pressure transducer, load cell and displacement transducer with a distributive design, and for various purposes.