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:
Mar. 23, 2010
Filed:
Oct. 23, 2008
Applicants:
Eric Lee Goldner, Valencia, CA (US);
Gerald Robert Baker, West Hills, CA (US);
Inventors:
Eric Lee Goldner, Valencia, CA (US);
Gerald Robert Baker, West Hills, CA (US);
Assignee:
US Sensor Systems, Inc., Valencia, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fiber optic interrogator includes a broadband optical source, at least one beam splitter directing output of the optical source to an array of fiber optic gratings, at least one linear transmission or reflection filter, at least one optical receiver and at least one amplifier associated with each receiver. In one aspect of the invention, a pair of opposite-sloped linear transmission filters are utilized to normalize the received and filtered reflections with respect to total optical power.