| 摘要 |
<p>A 5-directional key operation device capable of operating five diaphragms with one button, wherein diaphragm contacts loaded with the diaphragms (4) disposed in a crossshape in conformity with a 5-directional keys are formed of a first contact (1) and a second contact (2) surrounding the first contact (1) and having band-shaped contacts (3a to 3b) installed extendedly on the opposite side of the first contact, whereby an installation space for the diaphragm contacts can be reduced, and the size and weight of the entire device can be reduced; five pusher parts (126) being installed on a key core surface opposed to the five diaphragms on a printed circuit board of a key base (127).</p> |
