PROBLEM TO BE SOLVED: To provide a simple and low-cost simplified crime prevention system and simplified crime prevention device, allowing a user to directly and actively perform an instruction for relief to the crime prevention device from own cellphone.;SOLUTION: The simplified crime prevention system is achieved by the compact simplified crime prevention device, capable of being attached to the cellphone of the user and a possession of the user, and in the simplified crime prevention system, when receipt from the cellphone side of the user is performed, establishment of a call is performed; and sounding of alarm guidance is performed with the call establishment as a trigger to request the relief of the neighborhood, and information about a present location is sent to the cellphone.;COPYRIGHT: (C)2011,JPO&INPIT
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