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. 15, 2026
Filed:
Sep. 12, 2024
Applicant:
California Institute of Technology, Pasadena, CA (US);
Inventors:
Zhongwen Zhan, Arcadia, CA (US);
Valey Kamalov, Gainesville, FL (US);
Assignee:
CALIFORNIA INSTITUTE OF TECHNOLOGY, Pasadena, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/353 (2006.01); G08B 13/186 (2006.01); G08B 21/10 (2006.01); G01L 11/02 (2006.01); H04B 10/29 (2013.01);
U.S. Cl.
CPC ...
G01D 5/353 (2013.01); G01D 5/35383 (2013.01); G08B 13/186 (2013.01); G08B 21/10 (2013.01); G01D 5/35358 (2013.01); G01L 11/025 (2013.01); H04B 10/29 (2013.01);
Abstract
The invention describes a tsunami warning system utilizing properties of light in optical fibers within submarine telecommunication cables. Enhanced by microwave frequency modulation and High-Loss Loop Back (HLLB) techniques, this system measures photoelastic changes for more stable, long-period tsunami wave detection.