In this paper, we proposed a sensor application method that can support the urgent communication when the user is in an urgent situation. This study suggested how to use sensor data to quickly recognize and transmit to the outside of the handicapped who have difficulties in using generalized communication equipment or who are difficult to communicate quickly in an emergency. If a person with a physical disability is aware of the danger and avoids the risk, or urgently needs to express his intention by urgent necessity, even if this communication can be difficult, a solution should be prepared to solve this problem. Smart devices can be used for communication network connection and information processing together with sensors. The measured values of the three-axis acceleration sensor built in the generalized smart device such as smart phone or smart watch are obtained according to the time and classified by time. By making three measurement values of the three-axis acceleration sensor and comparing them by time zone, the disabled people inferred the urgent communication intention by recognizing the behavior pattern in the urgent situation and the intelligent propagation.

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