发明授权
- 专利标题： Key switch
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申请号： US16745279申请日： 2020-01-16
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公开(公告)号： US11551889B2公开(公告)日： 2023-01-10
- 发明人: Yu-Chih Chang , Chin-Lung Chan , Cheng-Min Su
- 申请人： DARFON ELECTRONICS CORP.
- 申请人地址： TW Taoyuan
- 专利权人： DARFON ELECTRONICS CORP.
- 当前专利权人： DARFON ELECTRONICS CORP.
- 当前专利权人地址： TW Taoyuan
- 代理商 Winston Hsu
- 优先权： TW108122083 20190625
- 主分类号： H01H13/52
- IPC分类号： H01H13/52 ; H03K17/94 ; H01H13/20 ; H01H13/14
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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