Patent ID: 8766796
Filing Date: 2014-07-01
Classification: G01S,H04W

Abstract:
1. A method for reading current position data from a plurality of portable electronic devices through a signal switching network system, the plurality of portable electronic devices being divided into a plurality of groups, each portable electronic device having a group identification according to the group to which it belongs, the signal switching network system comprising a server and a signal transmission network, the method comprising the steps of: (a) a plurality of remote portable electronic devices obtaining at least a current position data thereof; (b) each remote portable electronic device sending the current position data through a signal transmission interface and the signal transmission network of the signal switching network system to a position database of the server; (c) a requesting portable electronic device logging into the server through the signal transmission network of the signal switching network system; and (d) the requesting portable electronic device reading the current position data of a specific remote portable electronic device from the position database of the server when the requesting portable electronic device and the specific remote portable electronic device have the same group identification, wherein each portable electronic device can read the current position data of each other portable electronic device in the same group.