US Patent 8199489 Handheld terminal with individually replaceable components

A handheld terminal is provided. The handheld terminal includes a housing, a component for operating the handheld terminal, and a pocket for forming, in the housing, a space for holding the component individually and separating the space from a main logic circuit. The pocket has a window for a connection between the component and the main logic circuit. The handheld terminal includes a bezel placed on the component, and a combiner for removable engaging the bezel with the housing.