Apparatus and method for an accelerated thumbwheel on a...

Apparatus and method for character entry in a portable terminal

Apparatus and method for decoding a key press

Apparatus and method for determining output signals...

Apparatus and method for input of ideographic Korean...

Apparatus and method for input of ideographic Korean...

Apparatus and method for inputting characters in portable...

Apparatus and method for inputting ideographic characters

Apparatus and method for scanning a key matrix

Apparatus and method for scanning a key matrix

Apparatus and method for scanning a key matrix

Apparatus and method for scanning a switch array

Apparatus and method of communicating using three digits of a ha

Apparatus and method using color-coded or pattern-coded keys...

Apparatus and method using color-coded or pattern-coded keys...

Apparatus for and method of inputting alphabets using a...

Apparatus for controlling a video game

Apparatus for controlling an operational panel

Apparatus for converting scan data of a keyboard

Apparatus for data input and key detection method thereof