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公开(公告)号：US20220165520A1
公开(公告)日：2022-05-26
申请号：US17136988
申请日：2020-12-29
Applicant: Primax Electronics Ltd.
Inventor： Liu-Bing Cai , Rui-Qing Xiao , Xiao-Ping Wang , Jin-Chun Zhang
Abstract: A keyboard device includes a bottom cover, a supporting plate, a flexible circuit board and plural key structures. The supporting plate is installed on the bottom cover. The supporting plate has a curved arc-shaped profile that is bent upwardly in a direction away from the bottom cover. The supporting plate includes plural perforations. The flexible circuit board is arranged between the bottom cover and the supporting plate. The plural key structures are installed on the supporting plate. The plural key structures are penetrated through the corresponding perforations and contacted with the flexible circuit board.
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公开(公告)号：US11557445B2
公开(公告)日：2023-01-17
申请号：US17136988
申请日：2020-12-29
Applicant: Primax Electronics Ltd.
Inventor： Liu-Bing Cai , Rui-Qing Xiao , Xiao-Ping Wang , Jin-Chun Zhang
Abstract: A keyboard device includes a bottom cover, a supporting plate, a flexible circuit board and plural key structures. The supporting plate is installed on the bottom cover. The supporting plate has a curved arc-shaped profile that is bent upwardly in a direction away from the bottom cover. The supporting plate includes plural perforations. The flexible circuit board is arranged between the bottom cover and the supporting plate. The plural key structures are installed on the supporting plate. The plural key structures are penetrated through the corresponding perforations and contacted with the flexible circuit board.
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