Invention Grant
US08946573B2 Key assembly, rotary input device using the key assembly, and electronic device using the rotary input device 有权
钥匙组件,使用钥匙组件的旋转输入装置,以及使用旋转输入装置的电子装置

Key assembly, rotary input device using the key assembly, and electronic device using the rotary input device
Abstract:
A key assembly including a base; a central button portion disposed on the base to move between a remote position and an adjacent position with respect to the base, and including a protrusion that protrudes outward along an edge of the central button portion; and a rotary button portion combined with the base, including a hole for externally exposing at least a portion of a side of the central button portion, rotatably disposed on outer side of the central button portion, and including a suppressing portion that is formed on an inner side of the hole to correspond to the protrusion to suppress movement of the central button portion in a direction away from the base. A rotary input device including the key assembly, and an electronic device including the rotary input device.
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