Slim-type keyboard
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United States of America Patent
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Dec 26, 2017
Grant Date -
Dec 14, 2017
app pub date -
Sep 6, 2016
filing date -
Jun 8, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A slim-type keyboard includes a first flexible layer, a pressed frame and a circuit board assembly. The first flexible layer includes plural pressed regions. The pressed frame includes plural cantilever strips. The circuit board assembly includes plural dome switches. The plural cantilever strips are covered by the first flexible layer. The pressed regions are aligned with the cantilever strips and the dome switches, respectively. When one of the pressed regions is pressed, the cantilever strip is pushed down to trigger the corresponding dome switch. Each cantilever strip includes a U-shaped groove and a suspension end. The U-shaped groove opens to the suspension end. Consequently, the tactile feel of pressing the cantilever strip is improved.
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