Patent ID: 8676123

Claim:
A method of establishing a connection between mobile devices, comprising: arranging a first one of the mobile devices to display a sequence of images that are received by a second one of the mobile devices; the first one of the mobile devices displaying a first sequence of images that are received by the second one of the mobile devices; the second one of the mobile devices displaying a second sequence of images that are received by the first one of the mobile devices, wherein the first and second sequences of images establish contact between the mobile devices; retrying to establish contact between the mobile devices in response to at least one of: the second one of the mobile devices not decoding the first sequence of images and the first one of the mobile devices not decoding the second sequence of images; the mobile devices exchanging images to determine mutually available data transmission techniques following establishing contact between the mobile devices; choosing one of the mutually available data transmission techniques; the mobile devices exchanging images to pair the mobile devices in response to the mobile devices not being previously authenticated to use the one of the mutually available transmission techniques that is chosen; and transferring data between the mobile devices using the one of the mutually available transmission techniques that is chosen.