KNOB ASSEMBLY AND SHUTTLE KNOB INCLUDING THE SAME
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United States of America
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app pub date -
Apr 9, 2019
filing date -
Apr 9, 2019
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Abstract
A knob assembly includes a disk housing body and an annular base. The disk housing body includes a cover plate, a limiting structure, and a side wall structure. The cover plate and the limiting structure are disposed opposite to each other. The side wall structure is connected to the cover plate and the limiting structure to form a horizontal annular groove. The annular base is embedded in the horizontal annular groove, so that the disk housing body can rotate relative to the annular base. A shuttle knob includes the foregoing knob assembly, a substrate, a reflection layer, and a detection apparatus. The knob assembly is disposed on the substrate by using the annular base. The reflection layer is disposed between the disk housing body and the annular base, and the reflection layer includes a feature pattern. The detection apparatus is disposed on the substrate.
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