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公开(公告)号：US11551890B2
公开(公告)日：2023-01-10
申请号：US16809510
申请日：2020-03-04
发明人： Jin-Long Chan , Yu-Chih Chang , Cheng-Min Su
IPC分类号： H01H13/705
摘要： A keyswitch includes a cap, first and second support members slidably connected to the cap and opposite to each other, and first and second blocks formed on the cap. The cap is movable between a non-pressed position and a pressed position. The first support member abuts against the first block when the cap is located at the non-pressed position. The first block moves away from the first support member at a first gap when the cap moves downward from the non-pressed position. The first support member abuts against the cap when the cap is located at the non-pressed position, and abuts against the second block when the cap continues moving downward to the pressed position.
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公开(公告)号：US20210012982A1
公开(公告)日：2021-01-14
申请号：US16880920
申请日：2020-05-21
摘要： A key switch includes a base, a key cap, a first support member and a second support member. The key cap is disposed with respect to the base. The first support member and the second support member are disposed between the key cap and the base. The first support member has a first linkage structure. The second support member has a second linkage structure. The first linkage structure and the second linkage structure abut against each other, such that the first support member and the second support member rotate synchronously with respect to a horizontal axis. When one of the first support member and the second support member horizontally moves with respect to the other one of the first support member and the second support member within a predetermined range along the horizontal axis, the first linkage structure and the second linkage structure keep abutting against each other.
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公开(公告)号：US11289284B2
公开(公告)日：2022-03-29
申请号：US17199461
申请日：2021-03-12
发明人： Cheng-Min Su , Chin-Lung Chan , Yu-Chih Chang
摘要： A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. The support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an opening and an indentation portion. The opening is located at an upper end of the guiding slot. The protruding shaft enters the guiding slot from the opening to rotatably fit in the indentation portion, so that the support is pivotally connected to the base plate.
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公开(公告)号：US20210202191A1
公开(公告)日：2021-07-01
申请号：US17199461
申请日：2021-03-12
发明人： Cheng-Min Su , Chin-Lung Chan , Yu-Chih Chang
摘要： A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. The support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an opening and an indentation portion. The opening is located at an upper end of the guiding slot. The protruding shaft enters the guiding slot from the opening to rotatably fit in the indentation portion, so that the support is pivotally connected to the base plate.
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公开(公告)号：US10971314B2
公开(公告)日：2021-04-06
申请号：US16880920
申请日：2020-05-21
摘要： A key switch includes a base, a key cap, a first support member and a second support member. The key cap is disposed with respect to the base. The first support member and the second support member are disposed between the key cap and the base. The first support member has a first linkage structure. The second support member has a second linkage structure. The first linkage structure and the second linkage structure abut against each other, such that the first support member and the second support member rotate synchronously with respect to a horizontal axis. When one of the first support member and the second support member horizontally moves with respect to the other one of the first support member and the second support member within a predetermined range along the horizontal axis, the first linkage structure and the second linkage structure keep abutting against each other.
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公开(公告)号：US11551889B2
公开(公告)日：2023-01-10
申请号：US16745279
申请日：2020-01-16
发明人： Yu-Chih Chang , Chin-Lung Chan , Cheng-Min Su
摘要： A key switch is provided, which includes a base, a cap, a first linkage rod, a second linkage rod, an elastic contraction element, at least one activate member and a thin film circuit unit. The base includes a plurality of first connection portions and a plurality of second connection portions. The first linkage rod is movably connected to the first connection portions and the cap. The second linkage rod is movably connected to the second connection portions and the cap. One end of the elastic contraction element is connected to the first linkage rod, and the other end thereof is connected to the second linkage rod. The activate member is disposed on one of the first linkage rod, the second linkage rod and the cap. The thin film circuit unit includes an activate portion.
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公开(公告)号：US10984968B2
公开(公告)日：2021-04-20
申请号：US16878583
申请日：2020-05-19
发明人： Cheng-Min Su , Chin-Lung Chan , Yu-Chih Chang
摘要： A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. In an embodiment, the support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an indentation portion and can guide the protruding shaft to fit in the indentation portion. In another embodiment, the support includes a support body connected to the base plate, and an abutting arm extending from the support body. The base plate structurally constrains the support through a hook and a limitation post thereof. The abutting arm of one support extends under the other support, so that the two supports can move each other through the abutting arms.
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公开(公告)号：US20200373105A1
公开(公告)日：2020-11-26
申请号：US16878583
申请日：2020-05-19
发明人： Cheng-Min Su , Chin-Lung Chan , Yu-Chih Chang
摘要： A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. In an embodiment, the support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an indentation portion and can guide the protruding shaft to fit in the indentation portion. In another embodiment, the support includes a support body connected to the base plate, and an abutting arm extending from the support body. The base plate structurally constrains the support through a hook and a limitation post thereof. The abutting arm of one support extends under the other support, so that the two supports can move each other through the abutting arms.
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公开(公告)号：US20210175028A1
公开(公告)日：2021-06-10
申请号：US16809510
申请日：2020-03-04
发明人： Jin-Long Chan , Yu-Chih Chang , Cheng-Min Su
IPC分类号： H01H13/705
摘要： A keyswitch includes a cap, first and second support members slidably connected to the cap and opposite to each other, and first and second blocks formed on the cap. The cap is movable between a non-pressed position and a pressed position. The first support member abuts against the first block when the cap is located at the non-pressed position. The first block moves away from the first support member at a first gap when the cap moves downward from the non-pressed position. The first support member abuts against the cap when the cap is located at the non-pressed position, and abuts against the second block when the cap continues moving downward to the pressed position.
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公开(公告)号：US20190237279A1
公开(公告)日：2019-08-01
申请号：US16248794
申请日：2019-01-16
发明人： Tsai-Jung Hu , Yu-Chih Chang
CPC分类号： H01H13/83 , G06K9/00053 , H01H2221/024 , H01R35/02 , H05K1/189 , H05K2201/10053 , H05K2201/10128 , H05K2201/10151
摘要： A cap structure is combined with a lifting mechanism to be movable between a pressed position and a non-pressed position. The cap structure includes a first circuit, a second circuit, a flexible circuit board and a cap having a top surface, a bottom surface and an engaging structure. The engaging structure protrudes from the bottom surface for engaging with the lifting mechanism. The first circuit is laid out on the top surface for connecting to a sensing device or a display device attached on the top surface. The second circuit is laid out on the bottom surface and avoids the engaging structure. The second circuit passes through the cap to be connected to the first circuit. The flexible circuit board is connected to the second circuit for performing signal transmission of the sensing device or the display device via the first and second circuits.
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