A Hand-held Underground Personal Search and Rescue Device Based on GIS

Aiming at the coal industry present situation of many accidents, complex scene of accidents, difficult rescue due to interrupted communication, inconvenient rescue equipments and incorrect position, we designed a new underground personal research and rescue device based on GIS position display.This rescue device can send image, positioning and the voice three kinds of information together to the ground, so as to realize the communication within the shortest time and to strive for the time for rescue work.