Patent for adding Optical Bar Code Elements to an iPad Smart Cover

On March 28, 2013, the US Patent & Trademark Office published a patent application from Apple that revealed that the iPad's Smart Cover could over time add a few sophisticated features. In August 2012 Apple revealed a mind boggling set of new possible features for the Smart Cover that ranged from inductive charging to built-in solar panels and the use of a flexible display to name a few of innovations being explored