Patent ID: 9473917
Filing Date: 2016-10-18
CPC Classification: G06Q,G08B,H04W

Claim Text:
1. An address-based social safety network system of a smart grid infrastructure device, comprising: a portable location information terminal which is configured to transmit an emergency signal through a RF modem, when an emergency signal generation command is inputted; a digital energy meter which is configured to calculate an average value of a wireless receiving strength of the emergency signal received from the portable location information terminal and transmit the average value to an upper end; a collection device which is configured to collect the emergency signals received from the digital energy meter and transmit to the upper end; and a positioning server which is configured to collect the emergency signals received from the collection device and recognize a location information of the portable location information terminal using the average value of a wireless receiving strength of the emergency signal transmitted by the portable location information terminal and an intrinsic identification address of the digital energy meter, wherein the emergency signal transmitted from the portable location information terminal contains an ID for identifying the portable location information terminal and a message type.