Circuit configuration for a capacitive touch switch
Circuit configuration for a capacitive touch switch
Circuit for recognizing key inputs
Circuit for sensing input conditioning of keyboard
Circuit layout arrangement for key switch signal recognition
Circuit layout arrangement for key switch signal recognition
Circular tactile keypad
Circular tactile keypad
Collapsible keyboard
Combination keyboard including plural stroke keys and plural tou
Combined keyboard and mouse employing conventional typing keys
Communication and coding system for controlling electrical actua
Communication apparatus with programmable function keys
Communication device and method for inputting and predicting...
Compact alphanumeric keyboard
Compact computing device having a compressible keyboard
Compact keyed input device
Compact keypad system and method
Compact one-handed typing keyboard having keys corresponding to
Compact stylus keyboard