Since the terrorist attacks of September 11, 2001, in the United States, various steps have been taken around the world to raise the level of security, including anti-terrorist steps, at key facilities and public places where people gather. In that context, the needs are increasing for physical security systems and related equipment. Centered on security systems it developed in the past, Hitachi, Ltd. is now developing new products such as detectors for detecting dangerous objects, personal authentication systems, and inspection equipment using X-ray equipment. The discussion in this paper is centered on security systems Hitachi previously developed but it also presents a summary of the current situation concerning sensors for detecting unauthorized facility access, personal authentication systems, and surveillance cameras, all used in security systems.
security system, access control system, physical security, IC card, ITV, RFID
