Portable terminal capable of sensing proximity touch and method for controlling screen in the same

• US 9,189,142 B2
• Filed: 03/11/2009
• Issued: 11/17/2015
• Est. Priority Date: 03/20/2008
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Jong Hwan, Kwon, Kwi Suk
• Primary Examiner(s): Young, Wayne
• Assistant Examiner(s): BUTCHER, BRIAN M
• Application Number:
  US12/402,435
• Publication Number:
  US 20090237372A1
• Time in Patent Office: 2,442 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: G06F 2203/04104 Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
• CPC Class Codes: G06F 2203/04108 Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
• CPC Class Codes: G06F 2203/04806 Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
• 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 3/0421 by interrupting or reflecting a light beam, e.g. optical touch-screen
• CPC Class Codes: G06F 3/044 by capacitive means
• CPC Class Codes: G06F 3/0444 using a single conductive element covering the whole sensing surface, e.g. by sensing the electrical current flowing at the corners
• CPC Class Codes: G06F 3/04817 using icons graphical or visual programming using iconic symbols G06F8/34
• CPC Class Codes: G06F 3/0482 Interaction with lists of selectable items, e.g. menus
• CPC Class Codes: G06F 3/04842 Selection of displayed objects or displayed text elements G06F3/0482 takes precedence
• CPC Class Codes: G06F 3/04855 Interaction with scrollbars
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

A portable terminal for sensing a touch input, including a direct touch input and a proximity touch input, includes a touch screen configured to receive the touch input via a touching object and responsively displaying at least a first portion of a page and a controller configured to recognize the direct touch input when the touching object contacts the touch screen and recognize the proximity touch input when the touching object is located within a threshold distance relative to the touch screen for a period of time, the proximity touch input being effective as long as the touching object remains within the threshold distance, wherein in response to the proximity touch input, a size of the displayed page is changed from a first size to a second size, or a second portion of the page is displayed on the touch screen, the second portion being different from the first portion.

Claims

1. A portable terminal for sensing a touch input comprising a direct touch input and a proximity touch input, the terminal comprising:

a touch screen configured to display at least a first portion of a page and to receive the proximity touch input via a touching object; and

a controller configured to recognize the proximity touch input when the touching object is located within a threshold distance relative to the touch screen for a threshold period of time,

wherein;

a size of the displayed page is changed from a first size to a second size in response to the proximity touch input; and

the touch screen displays at least one control window in response to the proximity touch input, the at least one control window being configured to receive a control input for at least one of;

changing the size of the displayed page;

or

turning the displayed page from a current page to a next or previous page,

wherein the control input is received when the touching object is located within the threshold distance,

wherein the at least one control window includes a scroll box indicating a portion of the page currently displayed on the touch screen, and the scroll box is configured to move in a direction of movement of the touching object relative to the touch screen, and

wherein the second size of the displayed page is adjustable according to a distance between the touching object and the touch screen while the touching object is located within the threshold distance, and the second size of the displayed page is displayed while the touching object is located within the threshold distance and the first size of the displayed page is redisplayed when the touching object is no longer located within the threshold distance relative to the touch screen.

2. The terminal of claim 1, wherein the page comprises a web page or a page of a document.

3. The terminal of claim 1, wherein:

the second size of the displayed page is increasingly magnified as the distance between the touching object and the touch screen decreases; and

a portion of the page that is magnified substantially corresponds to a position on the touch screen to which the proximity touch input is received.

4. The terminal of claim 1, wherein the size of the displayed page is changed from the first size to the second size in response to the control input and the size of the displayed page returns to the first size when the touching object is no longer located within the threshold distance relative to the touch screen.

5. The terminal of claim 1, wherein the displayed page is turned to the next or previous page in response to the control input and returns to the current page when the touching object is no longer located within the threshold distance relative to the touch screen.

6. The terminal of claim 1, wherein the controller is further configured to:

recognize the direct touch input received at the at least one control window and controls the touch screen to display a second portion of the page corresponding to a position of the scroll box such that the second portion of the page remains to be displayed when the touching object no longer contacts the touch screen.

7. The terminal of claim 1, wherein at least a portion of the at least one control window is displayed near a position on the touch screen to which the proximity touch input is received.

8. A method for controlling display of a page in a portable terminal having a touch screen capable of sensing a touch input comprising a direct touch input and a proximity touch input, the method comprising:

displaying at least a first portion of the page;

receiving the proximity touch input at the touch screen via a touching object, the proximity touch input recognized when the touching object is located within a threshold distance relative to the touch screen for a threshold period of time;

changing a size of the displayed page from a first size to a second size in response to the proximity touch input; and

redisplaying the first size of the displayed page when the touching object is no longer located within the threshold distance relative to the touch screen,

wherein the touch screen displays at least one control window in response to the proximity touch input, the at least one control window being configured to receive a control input for at least one of;

changing the size of the displayed page;

or

turning the displayed page from a current page to a next or previous page,

wherein the control input is received when the touching object is located within the threshold distance,

wherein the at least one control window includes a scroll box indicating a portion of the page currently displayed on the touch screen, and the scroll box is configured to move in a direction of movement of the touching object relative to the touch screening, and

wherein the second size of the displayed page, which is displayed while the touching object is located within the threshold distance, is adjustable according to a relative distance between the touching object and the touch screen while the touching object is located within the threshold distance.

9. The method of claim 8, wherein the page comprises a web page or a page of a document.

10. The method of claim 8, wherein:

the second size of the displayed page is increasingly magnified as the distance between the touching object and the touch screen decreases; and

a portion of the page that is magnified substantially corresponds to a position on the touch screen to which the proximity touch input is received.

11. The method of claim 8, wherein the size of the displayed page is changed from the first size to the second size in response to the control input and the size of the displayed page returns to the first size when the touching object is no longer located within the threshold distance relative to the touch screen.

12. A method for controlling display in a mobile terminal, the method comprising:

displaying a first object on a touchscreen of the mobile terminal, the first object including at least one first sub-object;

receiving a first proximity touch input over the first object by a touch medium for a prescribed time; and

displaying at least one preview image corresponding to the at least one first sub-object on the touchscreen while the touch medium maintains the first proximity touch input, the at least one preview image comprising a first preview image and a second preview image,

wherein the at least one preview image is displayed on an area adjacent to the first object while the first object is displayed, and

wherein the at least one preview image is displayed by moving at a predetermined time interval to be previewed such that the first preview image is changed to the second preview image according to the predetermined time interval.

13. The method of claim 12, wherein the at least one preview image is displayed such that the at least one preview image overlaps the first object on the touchscreen.

14. The method of claim 12, further comprising:

receiving a second proximity touch input over a second object on the touchscreen, the touch medium being moved from the first object to the second object while maintaining a distance from the touchscreen, the second object including at least one second sub-object; and

displaying at least one preview image corresponding to the at least one second sub-object on the touchscreen while the touch medium maintains the second proximity touch input.

15. The method of claim 13, wherein each of the first object and the second object includes an icon corresponding to a prescribed web-page, and each of the first sub-object and the second sub-object includes a browser to the prescribed web-page.

16. The method of claim 12, further comprising:

receiving a first touch input on one of the at least one preview image; and

displaying the first sub-object whose preview image receives the first touch input on the touchscreen.

17. The method of claim 16, wherein the first sub-object whose preview image receives the first touch input is displayed on an entire area of the touchscreen.

18. The method of claim 12, further comprising:

recognizing that the first proximity touch input is being released; and

terminating display of the at least one preview image corresponding to the at least one first sub-object.

19. The method of claim 12, further comprising:

receiving a second touch input on one of the at least one preview image which receives a third proximity touch input; and

displaying the first sub-object whose preview image receives the second touch input as a wallpaper on the touchscreen.

20. The method of claim 12, wherein the first object includes an image folder and the first sub-object includes an image in the image folder.

21. A method for controlling display in a mobile terminal, the method comprising:

displaying a plurality of icons on a touchscreen of the mobile terminal, the plurality of icons being displayed such that the plurality of icons overlaps one another;

receiving a proximity touch input over the icon for a prescribed time by a touch medium;

displaying a first portion of the plurality of icons for a predetermined time on the touchscreen while the touch medium maintains the proximity touch input; and

displaying a second portion of the plurality of icons for the predetermined time on the touchscreen after displaying the first portion of the plurality of icons,

wherein the first portion and the second portion of the plurality of icons are displayed by moving at a predetermined time interval to be previewed such that the second portion is displayed according to the predetermined time interval following the displaying of the first portion, and

wherein the first portion and the second portion of the plurality of icons are displayed on an area where the overlapped plurality of icons is displayed.

22. The method of claim 21, further comprising:

receiving a touch input by the touch medium on the area where the overlapped plurality of icons is displayed; and

displaying the plurality of icons on a portion of the touchscreen.

23. A mobile terminal comprising:

a touchscreen configured to display a first object including at least one first sub-object; and

a controller configured to;

recognize a first proximity touch input received over the first object by a touch medium for a prescribed time;

control the touchscreen to display at least one preview image corresponding to the at least one first sub-object while the touch medium maintains the first proximity touch input, the at least one preview image comprising a first preview image and a second preview image; and

control the touchscreen to display the at least one preview image by moving at a predetermined time interval to be previewed such that the first preview image is changed to the second preview image according to the predetermined time interval,

wherein the at least one preview image is displayed on an area adjacent to the first object while the first object is displayed.

24. The mobile terminal of claim 23, wherein the controller is further configured to control the touchscreen to display such that the at least one preview image overlaps the first object.

25. The mobile terminal of claim 23, wherein the controller is further configured to:

recognize a second proximity touch input received over a second object on the touchscreen, the touch medium being moved from the first object to the second object while maintaining a distance from the touchscreen, the second object including at least one second sub-object; and

control the touchscreen to display at least one preview image corresponding to the at least one second sub-object while the touch medium maintains the second proximity touch input.

26. The mobile terminal of claim 25, wherein each of the first object and the second object includes an icon corresponding to a prescribed web-page, and each of the first sub-object and the second sub-object includes a browser to the prescribed web-page.

27. The mobile terminal of claim 23, wherein the controller is further configured to:

recognize a first touch input received on one of the at least one preview image; and

control the touchscreen to display the first sub-object whose preview image receives the first touch input.

28. The mobile terminal of claim 27, wherein the controller is further configured to control the touchscreen to display the first sub-object whose preview image receives the touch input on an entire area of the touchscreen.

29. The mobile terminal of claim 23, wherein the controller is further configured to:

recognize that the first proximity touch input is being released; and

control the touchscreen to terminate display of the at least one preview image corresponding to the at least one first sub-object.

30. The mobile terminal of claim 23, wherein the controller is further configured to:

recognize a second touch input received on one of the at least one preview image which receives a third proximity touch input; and

control the touchscreen to display the first sub-object whose preview image receives the second touch input as a wallpaper.

31. The mobile terminal of claim 23, wherein the first object includes an image folder and the first sub-object includes an image in the image folder.

32. A mobile terminal comprising:

a touchscreen configured to display a plurality of icons overlapping one another; and

a controller configured to;

recognize a proximity touch input received over the icon folder for a prescribed time by a touch medium;

control the touchscreen to display a first portion of the plurality of icons for a predetermined time on the touchscreen while the touch medium maintains the proximity touch input; and

control the touchscreen to display a second portion of the plurality of icons for the predetermined time on the touchscreen after displaying the first portion of the plurality of icons,

wherein the first portion and the second portion of the plurality of icons are displayed by moving at a predetermined time interval to be previewed such that the second portion is displayed according to the predetermined time interval following the displaying of the first portion, and

wherein the first portion and the second portion of the plurality of icons are displayed on an area of the touchscreen where the overlapped plurality of icons is displayed.

33. The mobile terminal of claim 32, wherein the controller is further configured to:

recognize a touch input by the touch medium on the area where the overlapped plurality of icons is displayed; and

control the touchscreen to display the plurality of icons on a portion of the touchscreen.