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US Patent 11619542 Distributed acoustic sensing based natural frequency measurement of civil infrastructures

Patent 11619542 was granted and assigned to NEC on April, 2023 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

Nec Laboratories America, Inc.

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Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Yue Tian0

Sarper Ozharar0

Ting Wang0

Yangmin Ding0

Date of Patent

April 4, 2023

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Patent Application Number

172286750

Date Filed

April 12, 2021

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Patent Citations

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US Patent 11193367 Low frequency DAS well interference evaluation

Patent Primary Examiner

Thomas A Hollweg

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CPC Code

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Aspects of the present disclosure describe distributed fiber optic sensing (DFOS)—distributed acoustic sensing (DAS) based systems, methods, and structures that advantageously enable and/or facilitate the determination of natural frequency(ies) of civil infrastructures.

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