External electromagnetic shielding device
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United States of America Patent
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Jul 28, 2022
Grant Date -
Jul 28, 2022
app pub date -
May 17, 2021
filing date -
Jan 27, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
An external electromagnetic shielding device is provided. The external electromagnetic shielding device includes a bottom shield, a conductive cover being in a grid-like shape and arranged above the bottom shield, and a rolling module. The conductive cover includes a top shield spaced apart from the bottom shield, a lateral shield connected to the top shield, and a plurality of supports that are fixed to the lateral shield. The supports include a bottom support in an annular arrangement, and any two of the supports are spaced apart from each other. The rolling module includes a rolling unit and a linkage unit that is connected to the rolling unit and the bottom support. When the linkage unit is coiled on or released from the rolling unit, the bottom support can be moved to allow the lateral shield to fold or unfold between the bottom shield and the top shield.
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