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US 8,799,828 B2Granted
Scrolling method and apparatus for electronic device
AssigneeSamsung Electronics Co., Ltd.
InventorHyun-Keun Song
Life of this patent
Estimating the term…
Abstract
A method and apparatus scroll a screen in a device with a touchscreen. A method for scrolling a device with a touchscreen includes determining whether a current touch input is a circular drag touch; if the current touch input is the circular drag touch, determining whether a current page is a scrollable screen; and if the current page is a scrollable screen, scrolling the current page according to a circle drawing action of the circular drag touch.
Claims20
A method for scrolling a device with a touchscreen, the method comprising:
- determining whether a current touch input is a continuous circular drag touch after a straight-line drag touch to form a circular drag touch;
- responsive to the current touch input being the circular drag touch, determining whether a current page is scrollable;
- responsive to the current page being scrollable, scrolling the current page according to a circle drawing action of the circular drag touch;
- and
- determining a scroll direction according to a direction of the straight-line drag touch.
2 more elements
A device, comprising:
- a touchscreen configured for data input and data output;
- a touch event processing unit configured to calculate a coordinate value input to the touchscreen and detect a continuous circular drag touch after a straight-line drag touch to form a circular drag touch;
- and
- a control unit configured to perform a control to scroll a scrollable page displayed by the touchscreen based on the circular drag touch detected by the touch event processing unit and to determine a scroll direction according to a direction of the straight-line drag touch.
1 more element
Dependencies are inferred from the claim text.