METHOD FOR ZOOMING IMAGE ON TOUCH SCREEN

• US 20060290681A1
• Filed: 06/19/2006
• Published: 12/28/2006
• Est. Priority Date: 06/24/2005
• Status: Abandoned Application

• Current Assignee: BenQ Corporation (Qisda Corporation)
• Original Assignee: BenQ Corporation (Qisda Corporation)
• Inventors: Ho, Liang-Wei, Shih, Po-Yu, Chung, Yuen-Lin
• Application Number:
  US11/424,884
• Publication Number:
  US 20060290681A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 2203/04806 Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
• CPC Class Codes: G06F 3/04886 by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus

Abstract

The invention provides a method for switching the size of an image displayed on a touch screen between a full-screen size and a normal size. A user can selectivity display the image on the touch screen in the full-screen size or the normal size by use of the method according to the invention. A user interface is previously defined. The user interface includes a first level, where a plurality of application icons are previously defined, and a second level wherein the image is previously defined. When the image is displayed on the touch screen in the full-screen size, the image covers the application icons which are not closed.

Claims

1. A method for switching a size of an image displayed on a touch screen between a first size and a second size, said method comprising the steps of:

(a) displaying the image on the touch screen in one of the first size and the second size;

(b) receiving a signal induced by an external force imposed on the touch screen;

(c) determining, according to the signal, a position of the external force imposed on the touch screen, and judging if the position is located within a region of the touch screen covered by the image being displayed; and

(d) if YES in step (c), displaying the image on the touch screen in the other of the first size and the second size.

2. The method of claim 1, wherein the first size is a normal size, and the second size is a full-screen size.

3. The method of claim 2, wherein step (d) is implemented by the steps of:

(d1) if YES in step (c), judging if the size of the image being displayed is the normal size; and

(d2) if YES in step (d1), closing the image being displayed on the touch screen, and renewedly displaying the image on the touch screen in the full-screen size.

4. The method of claim 3, wherein step (d) also comprises the step of:

(d3) if NO in step (d1), closing the image being displayed on the touch screen, and renewedly displaying the image on the touch screen in the normal size.

5. The method of claim 4, wherein after step (d3), step (d) also comprises the step of:

(d4) displaying a plurality of application icons on the touch screen.

6. The method of claim 5, wherein the plurality of application icons are previously defined on a first level of a user interface, the image is previously defined on a second level of the user interface higher than the first level, and when the image is displayed on the touch screen in the full-screen size, the image covers the application icons which are not closed.