Patent attributes
An apparatus for interacting with a graphical user interface, including: a printed circuit board, a plurality of push detection elements disposed on or over the top surface of the printed circuit board, wherein four push detection elements are arranged orthogonally from each other in the cardinal directions, a flexible pad layer disposed on or over the plurality of push detection elements, a navigation key disposed over and covering the four push detection elements, wherein the bottom surface of the navigation key has an annular-shaped cavity, four plungers, each one of the four plungers disposed above a respective one of the four push detection elements and configured to actuate a respective push detection element when a corresponding plunger is actuated, and at least one post disposed in an angular region between two plungers of adjacent cardinal directions.