Key input device combined with key display unit and digital...

Details Key input device combined with key display unit and digital... Key input device combined with key display unit and digital...

2006-02-06

2008-09-09

Wong, Albert K. (Department: 2612)

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

C345S170000, C341S020000, C379S433040, C379S433070

Reexamination Certificate

active

07423557

ABSTRACT:
A key input device combined with a key display unit and a digital appliance having the same are disclosed. The key input device includes a key display unit for displaying a character or an image that identifies a key, a touch sensing unit that moves down and up by a pressure applied to this key, and a signal generation unit for generating an electric signal in accordance with the pressure applied to the key, wherein the character or the image displayed on the key display unit can be changed.

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