Scroll control method using a touchpad

Details Scroll control method using a touchpad Scroll control method using a touchpad

2005-11-16

2009-08-18

Liang, Regina (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C345S157000

Reexamination Certificate

active

07576732

ABSTRACT:
A scroll control method using a touchpad comprises predefining a region on a touchpad, whereby a scroll function will be triggered by a landing of an object on the region, and terminated by a leaving of the object from the touchpad. During the scroll function is executed, the moving distance of the object sliding on the touchpad is calculated to determine a corresponding scrolling signal.

REFERENCES:
patent: 5327161 (1994-07-01), Logan et al.
patent: 5880717 (1999-03-01), Chan et al.

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