Patent 7324757 was granted and assigned to British Telecommunications Public Limited Company on January, 2008 by the United States Patent and Trademark Office.
An optical version of USB is provided to enable PDAs and digital cameras to download data and media files to remote network servers. The PDA is plugged into an optical transceiver that communicates with a complementary transceiver located in a network terminal (for example a payphone) that is in communication with the network server.