Apple was awarded a patent on Tuesday for a hover sensitive device that accepts input from finger movements above the device's display. The patent describes the usage of "real-world" gestures to control a device equipped with a touch or hover-sensitive display. Hand and finger movements include knock to inquire gestures, circle to select gestures, X to delete gestures and more. Besides performing operations, these gestures could identify users and restrict access to sensitive files, directories and applications.
Filed in 2007, The patent presents this idea as a way to expand the functionality of a touchscreen display by incorporating an advanced set of gestures that are easy for users to perform. This technology would be incorporated into a computer system with a touch sens
