抄録
Recently, people have more concern about prevention of crime and disaster, because crime, such as kidnapping and the burglar, or disaster, such as Niigata Prefecture Nakagoshi earthquakes and earthquakes of the Kanto region, happen one after another. In this research, We, under such a background, suggest ubiquitous security area that can be used to decrease and prevent disaster at the disaster, or used to prevent crime in daily life. And we announce development of the sensor unit as one element to compose the area.
