Apple wins patents on ‘touch and hover’ display, heart rate monitor

The US Patent and Trademark Office has granted Apple two new patents. The first, Touch and hover signal drift compensation, documents a display panel which can register both touch inputs and someone “hovering” a finger or stylus over a part of the screen. Different versions of the same concept are already in shipping products; the best known example may be Samsung’s S Pen, which will do things like trigger a preview image when hovering over a video timeline….