Modular construction element for forming devices for interaction between an operator and a data processing system

摘要

A body (2) having a square collar (3) and a cylindrical jacket (4) is mounted in the opening (6) of a board (7) and contains a hollow space (14) which accommodates a breaker (16) or a luminescent diode (45) and carries a slider (26) which is connected to an interruptor plunger (34) which is mounted on the key (43) which is provided with a window for the passage of the light and is connected to the collar by means of a flexible membrane (37). <IMAGE>