METHOD AND APPARATUS FOR SCROLLING A SCREEN IN A DISPLAY APPARATUS

• US 20130222243A1
• Filed: 02/25/2013
• Published: 08/29/2013
• Est. Priority Date: 02/24/2012
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: HONG, Hyun-Su, JUNG, Yung-Keun, LEE, Jae-Myeon
• Granted Patent: US 9,092,070 B2
• Time in Patent Office: Days
• US Class Current: 345/158
• CPC Class Codes: G06F 1/1694 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
• CPC Class Codes: G06F 2200/1637 Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer
• CPC Class Codes: G06F 3/033 Pointing devices displaced or positioned by the user , e.g. mice, trackballs, pens or joysticks; Accessories therefor digitisers characterised by the transducing means G06F3/041
• CPC Class Codes: G06F 3/0346 with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0416 Control or interface arrangements specially adapted for digitisers
• CPC Class Codes: G06F 3/0482 Interaction with lists of selectable items, e.g. menus
• CPC Class Codes: G06F 3/0485 Scrolling or panning
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text

Abstract

A method of scrolling a screen in a display apparatus includes initiating a screen-scroll according to a speed of a currently generated flick input when the flick input is generated, comparing a tilt of an axis of a corresponding apparatus with an initial location at a time of generation of the flick input to determine whether a change amount of a change is within a reference value, maintaining a current screen-scroll speed if the change amount deviates from the reference value, and stopping a screen-scroll operation when a scroll stop condition is met.

Claims

1. A method of scrolling a screen in a display apparatus, the method comprising:

initiating a screen-scroll according to a speed of a currently generated flick input when the flick input is generated;

comparing a tilt of an axis of a corresponding apparatus with an initial location at a time of generation of the flick input to determine whether a change amount of a change is within a reference value; and

maintaining a current screen-scroll speed if the change amount deviates from the reference value and stopping a screen-scroll operation when a scroll stop condition is met.

2. The method of claim 1, wherein, when the screen-scroll speed is maintained, an operation of changing a scroll speed according to a change of a tilt of the corresponding apparatus is performed.

3. The method of claim 2, wherein, when the current screen-scroll speed is maintained, if the tilt of the corresponding apparatus returns to the initial location at the time of the generation of the flick input, the screen-scroll speed is gradually changed to 0.

4. The method of claim 3, wherein the scroll stop condition is a touch input or the current screen-scroll speed is 0.

5. The method of claim 2, wherein, when the current screen-scroll speed is maintained, the method further comprises:

identifying a tilt section corresponding to the current screen-scroll among a plurality of preset tilt sections;

changing a tilt section coordinate system such that a reference tilt for a corresponding tilt section matches a current tilt;

identifying a reference tilt section of the changed coordinate system according to the current tilt to perform the screen-scroll operation according to a reference scroll speed for the identified tilt section, and when no change is made in the identified tilt section, maintaining the current screen-scroll speed; and

stopping the screen-scroll operation when the scroll stop condition is met.

6. The method of claim 5, wherein, when the current screen-scroll speed is maintained, if the tilt of the corresponding apparatus returns to the initial location at the time of the generation of the flick input, the screen-scroll speed is gradually changed to 0.

7. The method of claim 6, wherein the scroll stop condition is a touch input or the current screen-scroll speed is 0.

8. A non-transitory computer-readable recording medium having recorded thereon a computer program for executing a method of scrolling a screen in a display apparatus, the method comprising:

initiating a screen-scroll according to a speed of a currently generated flick input when the flick input is generated;

comparing a tilt of an axis of a corresponding apparatus with an initial location at a time of generation of the flick input to determine whether a change amount of a change is within a reference value; and

maintaining a current screen-scroll speed if the change amount deviates from the reference value and stopping a screen-scroll operation when a scroll stop condition is met.