Keypads and key switches

A with of (11) and non-raises (22) that a keyboard, a switch key (12) is arranged under the length of button areas. The non-raising key area claims a corresponding output module according to the operation algorithm, the operation algorithm considers at least two increasing button region board and lower non-raising key area trigger switch. A keyboard comprises a key ring (41), a key ring crosses switch bottom (23) at the detouring is placed the extension on. The button switch comprises a metal button dome (12), wherein a to form a lower chamber (13) to the central region (212), chamber (13) on the edge of placing switch (21) is keel (214), definition keel (214) (230) and a switch contact and a second annular zone of contact.