Freent Technologies, Inc.

Michael C Zari

Michael J Guthrie

Herbert U Fluhler

Apparatus for detecting high speed hits on a target is disclosed. A first set of detection lines are would in one direction around a target, and a second set of detection lines is wound orthogonal or diagonal to the first set of lines around a target. Where the detection lines are light-transmissive fibers, cutting of a fiber by a high-speed projectile or fragment causes a flash of photons that are detected by a detector attached to that line. Materials the lines are embedded in may also cause bursts of photons when pierced that is detected by detectors. The lines may be laid in prefabricated panels, or attached to an exterior or interior skin of a target. Moldings may be used to ensure that a bend radius of the light-transmissive fibers is not exceeded.

Multiple energic penetration and damage progression sensor improvements

A multiple energetic penetration and damage progression sensor is disclosed. A grid of sensing lines, such as passive optical fibers, is formed by laying the sensing lines in a crossing pattern to form a 2-Dimensional or 3-Dimensional coordinate grid. Signal receivers such as photo-detectors are connected to one or both ends of the sensing lines, and a data processor interprets received signals. When an impact or energetic penetration occurs at a location on or near a sensing line, energy passes down the sensing line in both directions away from the point of impact or penetration. Each pair of 'X-Y' or 'X-Y-Z' recordings from receivers receiving the energy is processed to determine a location, penetration volume and progression in time of the impact or penetration. This sensor can be made conformal to any regular and continuous surface geometry, volume geometry, or surfaces or volumes of physical objects of interest.

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Madison, AL, United States of America

Michael C Zari