Data input terminal
Data manipulation operation keypad for use with a pointing devic
Data processing device with a keyboard having pop-up keys
Data processing terminal with removable keyboard module
Data processor with a hardware keyscan circuit, hardware keyscan
Data storage apparatus
Depression judgment device
Detachable keyboard
Detachable tamper resistant security module
Detecting key actuation in a keyboard
Detection circuit for matrix touch pad
Device and method for evaluating a useful signal originating...
Device and method for improved text entry on an alphanumeric...
Device for activating an electronic control unit
Device for detecting the position of a control member on a touch
Device for inputting alphanumeric and special symbols
Device for locating an object situated close to a detection area
Digital displacement encoding system and method
Digitally encoded keyless entry keypad switch
Direction code for encoding Chinese characters using English alp