Burglar alarms; Card readers for magnetically encoded cards; Card reading equipment; Electric locks; Electric door bells; Magnetic coded card readers; Magnetic encoded card readers; Magnetic identifying cards; Magnetically encoded identity cards; Magnetically encoded key cards; Smoke detectors; Chip card readers; Electric buzzers; Electrical and electronic burglar alarms; Electronic card readers; Electronic key cards; Electronic memory card readers; Fire and smoke detectors; Identity cards, m...