| 摘要 |
A folder type mobile communication system and a hinge apparatus installed thereto are provided. The mobile communication system includes a folder part including a display module, a main part including a main module electrically grounding the display module, and a hinge module, installed to the folder part and pivotally coupled to the main part, for rotating the folder part towards or away from the main part and electrically grounding the display module via the main module.
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