Dual mode input device
Dual mode touch system
Dual orientation display handheld computer devices
Dual pen system
Dual pointing device
Dual pointing device and method based on 3-D motion and...
Dual purpose handle and controller for handheld computer
Dual screen display device
Dual sensor touchscreen utilizing projective-capacitive and...
Dual sided input device for a handheld computer
Dual sided input device for a handheld computer
Dual-dimension cursor control pad
Dual-mode hand-held game controller
Dual-mode rotatable input device
Dual-positioning controller and method for controlling an...
Duplicate objects
Dustless mouse
Dwell time indication method and apparatus
Dynamic adaptation of gestures for motion controlled...
Dynamic control of zoom operation in computer graphics