| 摘要 |
A portable electronic device (100) includes a keypad (e.g. 300) that may be actuated from either side of a single substrate (301, 401, 501, 601, 701, 801). The keypad includes inner actuators (103) and outer actuators (205) that provide active contact, support and tactile feel from both sides of the substrate. The electronic device gains greater operability and utility since a single keypad is operable from either side of one housing.
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