US Patent 9147191 Mobile application bar code identification method and system

Applicant's Smartphone application provides ticket-holding patrons an alternative, digital means of verifying personal identification at entry to a venue or event. The Smartphone application periodically generates a unique QR code (barcode) that contains a unique identifier (i.e., mobile device ID) which prompts the venue/event entry system to recognize the patron. No barcode (serving as a ticket, or authentication/verification, or otherwise) is downloaded from the system server to the Smartphone/mobile device client in contrast to prior art systems.