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Keyboard assemblies having reduced thicknesses and method of forming keyboard assemblies

  • US 10,128,064 B2
  • Filed: 09/12/2016
  • Issued: 11/13/2018
  • Est. Priority Date: 05/13/2015
  • Status: Active Grant
First Claim
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1. A keyboard assembly, comprising:

  • a key cap configured to receive a user input;

    a collapsible dome positioned below the key cap and having a peripheral portion and a top portion;

    a membrane pad positioned below the collapsible dome and coupled to the peripheral portion, the membrane pad comprising a center conductor separated from the top portion when the dome is in an uncollapsed state;

    a switch housing having an opening in which the collapsible dome is positioned;

    a hinge mechanism surrounding the switch housing and supporting the key cap above the collapsible dome; and

    a printed circuit board (PCB) connected to the switch housing and the membrane pad, wherein;

    the user input received at the key cap causes the top portion of the dome to displace the center conductor such that the center conductor contacts the PCB.

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