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Electronic security, surveillance, and intrusion alert systems, namely, electronic components for sensing and detecting vibrations and other physical disturbances, the electronic components including fiber optic sensors; Electronic sensors for perimeter security; electronic sensors and detectors for sensing and detecting vibrations and other physical disturbances; Electronic sensor systems comprised of electronic sensors based on fiber optics for determining changes in the behavior of light in fiber optic fibers and other conduits; [ Electronic mats with integrated electronic sensors for detecting vibrations and other physical disturbances; ] Electronic sensors in the nature of network security sensors for use with data networks to detect physical intrusions into data cables and conduits; electrical controllers and central processing units for use in electronic security and intrusion detections systems; software for the operation and use of electronic security, surveillance, and intrusion alert systems; electronic component parts for electronic security, surveillance, and intrusion alert systems