| 摘要 |
<p>The keyboard has a housing upper part, which has keypad area for arranging multiple keys. The housing upper part is formed in a wavy manner in the keypad area and comprises a guiding dome. A wave maxima and wave minima of the housing upper part is formed in a wavy manner in the keypad area, and run parallel to the longitudinal axis of the keyboard, and runs parallel to the sides of the keypad area in reference to the external side of the housing. The housing upper part has a constant wall thickness in the keypad area.</p> |
