Method and apparatus for detecting key actuations

Method and apparatus for differentiating simultaneous and sequen

Method and apparatus for dynamically configuring device...

Method and apparatus for entering alpha-numeric data

Method and apparatus for generating directional and force vector

Method and apparatus for high performance key detection with...

Method and apparatus for high performance key detection with...

Method and apparatus for increasing the number of keys of a...

Method and apparatus for inputting an alphabet character in...

Method and apparatus for keyboard control with programmable...

Method and apparatus for modifying characters entered on a compu

Method and apparatus for operating a capacitive tactile keyboard

Method and apparatus for optically detecting selections made...

Method and apparatus for pre-identification of keys and switches

Method and apparatus for providing an integrated membrane...

Method and apparatus for providing backlighting for keypads and

Method and apparatus for recognizing key

Method and apparatus for scanning a key or button matrix

Method and apparatus for scanning a key or button matrix

Method and apparatus for scanning keyboard and diode option