The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6965708 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 15, 2005

Filed:

Oct. 04, 2002
Applicants:

Shufang Luo, Blacksburg, VA (US);

Jennifer L. Elster, Blacksburg, VA (US);

Yongcheng Liu, Blacksburg, VA (US);

Artur Sucheta, Lebanon, NH (US);

Inventors:

Shufang Luo, Blacksburg, VA (US);

Jennifer L. Elster, Blacksburg, VA (US);

Yongcheng Liu, Blacksburg, VA (US);

Artur Sucheta, Lebanon, NH (US);

Assignee:

Luna Innovations, Inc., Blacksburg, VA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B006/00 ;
U.S. Cl.
CPC ...
Abstract

Various exemplary embodiments, devices, systems, and methods for sensing moisture are disclosed, including at least one moisture sensor that comprises an optical fiber, a long period grating formed in at least a portion of the optical fiber, and a layer of PEI bonded to the long period grating. One exemplary embodiment comprises a system for measuring humidity, the system comprising an optical fiber moisture sensor having a mono-layer of PEI covalently-bonded to an outer surface of said optical fiber, a processor coupled to said optical fiber moisture sensor, and a moisture indicator coupled to said processor.


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Luo, Shufang. (2005). Devices, systems, and methods for sensing moisture (U.S. Patent No. 6965708). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6965708

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