Weekly Tech Roundup | Mar 22, 2019

Weekly tech roundup: sensor technology edition

This week’s tech roundup includes some of the latest, advanced sensor technologies available at the moment. All of them are opportunities for entrepreneurs and businesses to license, develop, and bring to market.

Also read: Business Innovation is Risky: How Technology Transfer Can Help

If none of these featured inventions interest you, we have many more to browse. Click through to our full list of sensor technologies.

Here’s the roundup:

Trace vapor generator for explosives detector verification

The Navy has built a compact trace vapor generator for explosives and narcotics (TV-Gen) for testing and calibrating trace chemical detectors used by law enforcement officials.

The trace vapor detection of explosives and narcotics is critical to guarding borders and high-value targets.

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Enhanced motion detection

Motion detection is generally accomplished with a fixed field-of-view sensor utilizing a focal plane array. Currently, most change detection algorithms use straight frame-to-frame differencing (sometimes multiple times over) to achieve the desired effect of detecting a moving object. This approach can have a high degree of sensitivity but often suffers from degraded noise rejection capabilities.

As an alternative to frame-to-frame differencing, the Navy has developed a statistically based algorithm approach to motion detection.

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Surface-to-air missile detection system for commercial and rural airports

In response to the threat of missile-armed terrorists, the Navy has developed a cost-effective, reliable and user-friendly anti-missile system to protect aircraft, which makes use of available sensor technology and is relatively easy to deploy at large airports as well as smaller rural airfields.

The Distributed Ground-Based Threat Detection System is an automated missile warning system, which is designed to provide a reliable, timely and accurate missile location of a shoulder-launched surface-to-air missile within an area under surveillance by using a network of sensor nodes.

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Improved antipodal vivaldi antenna with elliptical loading

The Army has invented a novel Vivaldi antenna that is optimized for the 0.5 to 3 Ghz frequency band, which is a popular band for sensing applications such as ground-penetrating radar and through-wall imaging.

This new design is attractive because it extends the lower frequency limit down to 0.5 GHz while maintaining a small footprint.

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Sensor network with signal fusion center

To address synchronization of weak signals and enable enhanced sensing, Army scientists and engineers have developed a system using asynchronous low-cost sensors deployed in distributed locations.

This approach can be used for detecting remote weak signals from outer space, receiving low power transmission signals, demodulating a cell phone signal transmitted at a location far away from towers, military or police surveillance of hostile transmission, spectrum survey of weak signals, and other applications.

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Headshot Image of Austin Leach, PhD, CLP

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