A method and apparatus for use with a keypad for an electronic device including at least one plunger associated with a key, wherein the plunger is moveable between a first position and a second position relative to the electronic device. The apparatus is an electrical assembly including a light guide,...http://www.google.com/patents/US6369800?utm_source=gb-gplus-sharePatent US6369800 - Method and apparatus for use with a keypad of an electronic device
