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.:
Date of Patent:
Sep. 19, 2006
Filed:
Oct. 13, 2004
Applicant:
Woo-hu Tsai, Taipei, TW;
Inventor:
Woo-Hu Tsai, Taipei, TW;
Assignee:
Tatung Co., Ltd., , TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); G01J 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fiber optic vibration sensor is disclosed. This invention has an optical fiber of a tubular configuration that includes a cladding layer and a core, having a first end, a second end and a sensing region; a source of laser for emitting laser onto the first end of the optical fiber; an optical diode connected to the second end of the optical fiber; and an optical wave analyzer connected to the optical diode; wherein the sensing region includes at least a polished region formed by polishing a side of the optical fiber and a grating disposed in the polishing region.