Patent ID: 8224354
Filing Date: 2012-07-17
Classification: H04L,H04M

Abstract:
1. A method of identifying proximate mobile devices, the method comprising: providing a sensory identifier (ID) comprising two consecutive signals, when a first and second mobile device are proximate to each other; the first mobile device detecting said providing of the sensory identifier (ID), said detecting producing a time stamp comprising a time interval between two consecutive signals; the second mobile device detecting said providing of the sensory identifier (ID), said detecting producing a time stamp comprising a time interval between the two consecutive signals; the first mobile device sending a request message (Q(ID)) associated with detection of the providing of the sensory identifier (ID) to the second mobile device; and the second mobile device, upon receipt of the request message, sending an acknowledgement message (A(ID)) to the first mobile device so as to establish mutual identification when both the first and second mobile device have detected the same providing of the sensory identifier (ID).