Patent ID: 8565788
Filing Date: 2013-10-22
Classification: G01S

Abstract:
1. A method for providing the location of any one of a plurality of first mobile devices to any one of a plurality of second devices, comprising: generating a query at any one of the plurality of second devices for the location of any one of the plurality of first devices; creating a message at the second device from the generated query, the step of creating the message from the generated query comprising incorporating a predetermined code or term into the message; directing the message, created at the second device from the generated query, from the second device to the first device using a message transmission system; monitoring incoming messages at the first device for a message with the predetermined code or term to thereby detect any messages with the predetermined code or term; interpreting a detected message with the predetermined code or term as a request for determining the location of the first device such that, in response to receipt by the first device of the message with the predetermined code or term that was created at the second device and directed from the second device to the first device, a location determination of the first device is initiated whenever the message with the predetermined code or term is received by the first device; thereafter determining, in response to and only after initiation of the location determination of the first device, the location of the first device, the location determining step comprising: directing the determined location of the first device or a message related to the determined location of the first device from the first device or from the central server to the second device; and removing a detected message with the predetermined code or term from a queue of incoming messages at the first device before indicating receipt of such messages by the first device.