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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
mobile electronic system for monitoring residents to deter unauthorized exit from a confined area, locate individuals who have exited from confined areas, and detect when an individual has left a monitored area, comprised of a radio transmitter, electronic tags containing small transceivers, a mobile handheld computer, a radio transceiver integrated with handheld computer, an antenna, and computer software for monitoring and locating transmitters and transceivers