Patent ID: 8249526

Claim:
A safety monitoring method using a mobile device, the method comprising: setting monitor parameters, wherein the monitor parameters comprise a preset acceleration and a preset gravity gradient of the mobile device, and a preset contact; obtaining an acceleration and a gravity gradient of the mobile device using a gravity sensor (G-sensor) of the mobile device, the gravity gradient being an angle between a sensitive axis of the G-sensor and an acceleration of a Y-axis of the G-sensor; obtaining positional data of the mobile device using a global positioning system (GPS) unit of the mobile device if the obtained acceleration is greater than the preset acceleration and the obtained gravity gradient is greater than the preset gravity gradient; packing the positional data into short message service/multimedia message service (SMS/MMS) message; and searching for the preset contact in the mobile device, and sending a safety monitor report to the preset contact by the SMS/MMS message.