Nanomagnet-based magnetic anomaly detector

Details Nanomagnet-based magnetic anomaly detector Nanomagnet-based magnetic anomaly detector

2008-12-04

2011-11-08

Phan, Huy Q (Department: 2858)

Electricity: measuring and testing

Magnetic

Magnetometers

C324S260000, C324S365000

Reexamination Certificate

active

08054070

ABSTRACT:
A field distributed array of a plurality of underwater sensors are used to detect, preferably using a nanomagnet, slight changes in magnetic fields caused by passing metallic structures, such as submarines. Each sensor is preferably configured to communicate with, e.g., an Unmanned Underwater Vehicle (UUV), which then passes raw or aggregated information to a user (person or computing device). In one possible embodiment, an aircraft deploys hundreds of sensors on the “battlefield” (i.e., in the ocean). Some of the sensors are controlled to sink and anchor to the bottom, while others are controlled to float at a predetermined depth, from which they transmit data about their magnetic environs, such that a map of the geomagnetic field in the area can be generated. This type of distributed sensor system is particularly effective for antisubmarine warfare (ASW) operations across a wide area of a zone of operations.

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