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. 09, 2008
Filed:
Jul. 27, 2006
Akbar Arab-sadeghabadi, Simi Valley, CA (US);
Joseph Krystkowiak, Moorpark, CA (US);
John Mansell, Thousand Oaks, CA (US);
Sanan Shaibani, Woodland Hills, CA (US);
Akbar Arab-Sadeghabadi, Simi Valley, CA (US);
Joseph Krystkowiak, Moorpark, CA (US);
John Mansell, Thousand Oaks, CA (US);
Sanan Shaibani, Woodland Hills, CA (US);
Northrop Grumman Guidance and Electronics Company, Ltd., Los Angeles, CA (US);
Abstract
A fiber optic acoustic transducer includes a mandrel having a first portion that preferably formed generally as a cylinder having a projection extending from one end. A grating collar also preferably formed in a generally cylindrical configuration. The grating collar has a passage extending therethrough so that it may mounted on the projection. An optical fiber has a sensor portion wound around the first portion of the mandrel and a second portion wound around the grating collar with a fiber Bragg grating being formed in the second portion of the optical fiber.