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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.
alarm and security systems, which also provide access control, for residential and commercial buildings comprised of a central controller computer which monitors electrical, electronic, and mechanical sensors, and fire and smoke detectors, automatic lighting, appliance and timing controls, open and closed circuit monitors, switches and sensors, electronic magnetic contacts, relays, transmitters, receivers and processors of electronic signals