Here's Apple's summary of the invention: "The invention relates, in one embodiment, to a peripheral input device for controlling movements on a display screen. The peripheral input device includes a housing and an optical touch pad carried by the housing. The optical touch pad is configured to translate finger motion into movements on the display screen.
"The invention relates, in another embodiment, to a mouse having a finger actuated scrolling region that is integrated into a housing of the mouse. The scrolling region represents the working area of an optical system disposed inside the housing. The optical system is configured to detect finger movement across the scrolling region.
"The invention relates, in another embodiment, to a mouse for use in a computer system having a display screen. The mouse includes a first position detection mechanism configured to track the position of a finger moving across an outer surface of the mouse and to generate signals for controlling movements on the display screen. The mouse also includes a second position detection mechanism configured to track the position of the mouse moving across a surface and to generate signals for controlling movements on the display screen.
The inventors are Wing Kong Low, Brian H. Berkley and Benjamin Bendix Lyon. The graphic below is a perspective diagram of a peripheral input device, in accordance with one embodiment of the present invention.
A peripheral input device for controlling movements on a display screen. The peripheral input device includes a housing and an optical touch pad carried by the housing. The optical touch pad is configured to translate finger motion into movements on the display screen.
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