It's been a busy week for Apple's patent activity, with the US Patent and Trademark Office has granting the company 48 patents, and publishing several patent applications including vibration functionality for future iPads, iBooks Author and more.
The design patents won by Apple this week cover the sixth-generation iPod nano, a battery design and an iPhone interface element, plus an iPhone cover plate patent which credits the late Apple CEO Steve Jobs as an inventor.
In total, Apple was granted 48 patents this week, which include the augmented reality patents we reported on yesterday.
The US Patent and Trademark Office also published several Apple patent applications this week, including one that that covers an audio codec chip that could drive a vibrator for the iPad, allowing users to set vibration notification alerts for the tablet like they can for the iPhone, reports Patently Apple.
Additionally, Apple also applied for patents describing an iPhone protecting mechanism and collaboration system.