4 bit based binary encoding technique
4-way triangular-shaped alphanumeric keyboard
A/D converter with comparators and low-power detection mode...
A/D converter with comparators and low-power detection mode...
Abstraction of input mapping for keyboards
Adaptive keypad
Adjustable ergonomic keyboard for use with stationary palm...
Alarm system and kit with event recording
Alphanumerical keyboard
Analog actuation allocation structure with many actuators
Analog input device located in the primary typing area of a keyb
Analog keyboard of a video display appliance
Analog to digital converter keypad method and apparatus
Anti-surveillance device for keyboards
Apparatus and a method for keyboard encoding
Apparatus and a method for keyboard encoding
Apparatus and associated method for recovering lost break codes
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...