Method for operating emergency transmitter used by worker in construction site, transmitting alarm signal comprising identification number, timestamp and position information of transmitter to control center, by transmitter

摘要

The method involves transmitting an alarm signal comprising identification number, timestamp and position information of an emergency transmitter (TAG) to a control center (NSL) through a global system for mobile communication (GSM) module of the emergency transmitter. The input of signal to the emergency transmitter is indicated by vibrations or activation of LED displays in the transmitter. Independent claims are included for the following: (1) emergency transmitter; and (2) control center.