US Patent 9838520 Magnetic stripe attachment and application for mobile electronic devices

A mobile electronic device such as a mobile phone includes wallet application software for receiving, storing, encrypting, and transmitting selected payment card data. A tab including a programmable magnetic stripe is associated with a controller for receiving transmitted payment card data and programming the stripe with selected data. The tab is mounted directly to the electronic device or to an attachment device removably coupled to the electronic device. The attachment device may comprise a case for the mobile electronic device that allows access to a user interface and display of the mobile electronic device.