KEYBOARD SWITCH ASSEMBLY WITH CONDUCTIVE PLASTIC CONTACTOR AND ACTUATOR SPRING SLEEVE BIASING MEANS

摘要

An encoded switch array having a keyboard comprising a plurality of buttons, each button when depressed adapted to force a conductive contactor against a conductive wiring pattern supported on a board or the like, the contactor preferably being of a conductive plastic normally held away from the wiring pattern by resilent biasing means.