Function key will always occupy keyboard area, especially we have special key function or layout in
different platform. if we can remove it, keyboard can have more space to design more function or
keyboard layout for user to be more friendly. Also, we can reduce Keyboard complexity and can be
easier to design water protect. The idea is we add extra/ special function on C‐deck. When user
doesn’t want to use key function, user won’t see icon on C‐deck. When user touch function position,
icon will be lighting and sensor user touch position. Then user can feel haptic force feedback to
confirm right contact and key function works after user press function icon.
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INC, HP, "NEW FUNCTION KEY ON C-DECK DESIGN", Technical Disclosure Commons, (April 14, 2021)