SIGNAL MONITORING METHOD, WANDER/THEFT PREVENTING SYSTEM, WANDERING PERSON/STOLEN PROPERTY TRACKING SUPPORT SYSTEM, CARE SUPPORTING SYSTEM, SIGNAL MONITORING TERMINAL, SIGNAL MONITORING PROGRAM, RADIO COMMUNICATION TERMINAL AND RADIO COMMUNICATION PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a technology for preventing a person having wandering habit from starting wandering and preventing a child or a pet from being get lost. SOLUTION: A person 22 having wandering habit in a house 2 is caused to carry a small signal originating means 23. A signal monitoring terminal 21 always monitors the short distance radio signal of a specified frequency, which the means 23 emits. When the radio signal cannot be received, it is considered that the person carrying the signal originating means goes out of the house or a facility and is deviated to a place where the radio signal does not reach the signal monitoring terminal. An alarm is emitted and effect is informed to a family and a helper 9.