Apple wants you to scratch and claw your iPad
The U.S. Patent and Trademark Office on Tuesday granted Apple nearly three dozen patents, including one that covers how a device responds to acoustic signals such as scratching and tapping.
Patent No. 8,441,790, or "Electronic Device Housing as Acoustic Input Device," focuses on tech that would allow a device to detect and react to sound resulting from an impact with the housing, such as dragging a finger along the surface of the device. The sensors send information to a microprocessor, which can distinguish between different types of input as well as interpret what each input … Read more