IP Library Granted Patent US 11,652,552
Granted Patent B2
US 11,652,552 · App. 17/147,379 · Granted May 16, 2023

Indoor disaster localization via hybrid ethernet/optical fiber cable

Inventors: Ming-Fang Huang (Princeton, NJ); Ting Wang (West Windsor, NJ)
Assignee: NEC Corporation
H04B10/25H04L67/12H04W4/023H04W4/90H04W84/18
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Quick Facts
Patent No.
US 11,652,552
App. No.
17/147,379
Granted
May 16, 2023
Kind
B2
Abstract

Aspects of the present disclosure describe systems, methods and structures providing detection and localization of disaster-related indoor events via hybrid ethernet/optical fiber cable.

Claims (10)

1. An integrated distributed fiber optic sensing system comprising:

a length of a hybrid ethernet/optical fiber cable including one or more optical fiber cables and one or more ethernet cables;

a distributed fiber optic sensing (DFOS) interrogator in optical communication with the one or more optical fiber cables;

one or more computing systems in electrical communication with the one or more ethernet cables; and

one or more optical switches in optical communication with the one or more optical fiber cables included in the length of hybrid cable.

2. The integrated system of claim 1 wherein the optical fiber cable comprises a length of duplex single mode fiber (SMF) cable, said duplex SMF cable including two, individual single mode optical fibers.

3. The integrated system of claim 1 wherein the DFOS provides acoustic/vibration signals monitoring.

4. The integrated system of claim 1 wherein the DFOS provides building/temperature monitoring.

5. The integrated system of claim 1 wherein the DFOS includes an optical switch interconnecting the interrogator to individual sensory areas via the one or more optical fiber cables in a tree topology.

6. The integrated system of claim 1 wherein the DFOS interrogator is interconnected to individual sensory areas via the one or more optical fiber cables in a distributed network.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 23, 2023
From: NEC LABORATORIES AMERICA, INC.
To: NEC CORPORATION
Reel/Frame 063075/0066 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 21, 2021
From: HUANG, MING-FANG; WANG, TING
To: NEC LABORATORIES AMERICA, INC.
Reel/Frame 054976/0118 →
Continuity (2)
Provisional Application 62960247 · Jan 13, 2020
Related Publication 20210258074A1 · Aug 19, 2021