Modular keyboard assembly

摘要

A key-board assembly (10) is described that has a key-mat and a keyboard PCB (3) aligned with respect to each other instead of first to a housing of an input device. First, such alignment is achieved by adding pins (6) to the key-mat that fit tightly in holes (5) of the PCB. Secondly the key-mat has hooks (14) that can be clicked around the PCB and/or ribs (4) around the edges/carve-outs of the PCB that hold to the PCB with tight tolerances.