| CPC G06F 1/1632 (2013.01) | 7 Claims |

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1. An electronic device, comprising:
an input unit; and
a transmission dock, pivotally connected to the input unit, the transmission dock comprising:
at least one pivotal concave portion, having a first sidewall and a second sidewall opposite to each other;
a first wall, connected to the first sidewall and the second sidewall;
a second wall, connected to the first sidewall and the second sidewall; and
a third wall, connected to the first sidewall and the second sidewall; wherein the first wall and the second wall are connected to two opposite sides of the third wall, respectively;
wherein an inner surface of the third wall forms a plurality of sloped surfaces corresponding to the at least one pivotal concave portion,
wherein each of the at least one pivotal concave portion corresponds to two of the plurality of sloped surfaces, the two of the plurality of sloped surfaces include a first sloped surface toward the first sidewall and a second sloped surface toward the second sidewall, the first sidewall has an opening at an end of the first sloped surface, and the second sidewall has an opening at an end of the second sloped surface.
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