摘要 |
Described herein is a vandal-proof hermetically sealed keyboard (1) having a printed circuit (3), a plurality of keys (4) arranged on the printed circuit (3), and a metal plate (5) for protecting the printed circuit (3), a mat (6) made of rubbery material being set between the circuit (3) and the metal protective plate (5) and being provided with a plurality of mobile shaped portions (9), which each define the keys (4), and which engage slidably in respective guide seats (8) made through the protective plate (5). |