| 摘要 |
The embodiments of the invention concern a keypad ( 120 ). The keypad can include a membrane ( 143 ), at least one key with at least one flange 150 to overlap with at least one second flange of a second key ( 146 ), and at least one audio port opening ( 107 ) in the membrane for providing a passage of air from a transducer ( 101 ) positioned behind at least one key through the keypad to a main volume area ( 112 ). For example, the audio port opening can be in a region of the membrane between the keys, and the overlapping of the flanges obscures a view of at least one audio port opening.
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