Method and apparatus for processing input using touch screen

• US 9,965,096 B2
• Filed: 12/23/2014
• Issued: 05/08/2018
• Est. Priority Date: 01/16/2014
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Jeon, Sung-Won
• Primary Examiner(s): Cheng, Joe H
• Application Number:
  US15/111,686
• Publication Number:
  US 20160334935A1
• Time in Patent Office: 1,232 Days
• CPC Class Codes: G06F 3/0418 for error correction or compensation, e.g. based on parallax, calibration or alignment
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
• 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

Various exemplary embodiments of the present disclosure relate to a method and apparatus for processing an input using a touch screen, and an operation method of an electronic device includes: determining whether a surrounding environment of a touch screen panel has changed from a first surrounding environment to a second surrounding environment or not; and, when the surrounding environment has changed to the second surrounding environment, changing a reference voltage of the touch screen panel from a first reference voltage to a second reference voltage. Other embodiments are possible.

Claims

1. An operation method of an electronic device, the operation method comprising:

in response to detecting a change in a coupling voltage, determining whether a surrounding environment of a touch screen panel has changed from an air environment to a water environment based on an area of the coupling voltage change and a maintain time which the coupling voltage changes; and

if the surrounding environment has changed to the water environment, changing a reference voltage of the touch screen panel from a first reference voltage corresponding to the air environment to a second reference voltage corresponding to the water environment.

2. The operation method of claim 1, wherein the determining comprises detecting a falling coupling voltage based on the first reference voltage corresponding to the air environment, and determining whether the air environment has changed to the water environment based on an area of the falling coupling voltage and a maintain time which the falling coupling voltage.

3. The operation method of claim 2, wherein the determining comprises, if the falling coupling voltage is continuously detected on the area of the touch screen panel greater than or equal to a predetermined area during a predetermined time, determining that the air environment has changed to the water environment.

4. The operation method of claim 1, further comprising, if the surrounding environment has changed to the water environment, widening a space between icons to be displayed on the touch screen panel.

5. The operation method of claim 4, wherein the icons includes at least one of a camera icon, a light icon, a temperature icon, a pressure icon.

6. The operation method of claim 1, further comprising, if the surrounding environment has changed to the water environment, displaying one or more of a text and an image for informing of the water environment on the touch screen panel, or changing one or more of brightness and color of the touch screen panel.

7. The operation method of claim 1, further comprising detecting a rising coupling voltage based on the second reference voltage corresponding to the water environment, and determining whether the water environment has changed to the air environment based on an area of the rising coupling voltage and a maintain time which the rising coupling voltage.

8. The operation method of claim 7, wherein further comprising:

if the rising coupling voltage is continuously detected on the area of the touch screen panel greater than or equal to a predetermined area during a predetermined time, determining that the water environment has changed to the air environment.

9. An electronic device comprising:

a touch screen panel; and

a processor configured to control the touch screen panel,

wherein the processor is configured to;

in response to detecting a change in a coupling voltage, determine whether a surrounding environment of the touch screen panel has changed from an air environment to a water environment based on an area of the coupling voltage change and a maintain time which the coupling voltage changes, and,

if the surrounding environment has changed to the water environment, change a reference voltage of the touch screen panel from a first reference voltage corresponding to the air environment to a second reference voltage corresponding to the water environment.

10. The electronic device of claim 9, wherein the processor is further configured to detect a falling coupling voltage based on the first reference voltage corresponding to the air environment, and determine whether the air environment has changed to the water environment based on an area of the falling coupling voltage and a maintain time which the falling coupling voltage.

11. The electronic device of claim 10, wherein the processor is further configured to, if the falling coupling voltage is continuously detected on the area of the touch screen panel greater than or equal to a predetermined area during a predetermined time, determine that the air environment has changed to the water environment.

12. The electronic device of claim 9, wherein, if the surrounding environment has changed to the water environment, the processor is configured to widen a space between icons to be displayed on the touch screen panel.

13. The electronic device of claim 12, wherein the icons includes at least one of a camera icon, a light icon, a temperature icon, a pressure icon.

14. The electronic device of claim 9, wherein, if the surrounding environment has changed to the water environment, the processor is configured to control to the touch screen panel to display one or more of a text and an image for informing of the water environment, or change one or more of brightness and color of the touch screen panel.

15. The electronic device of claim 9, wherein the processor is further configured to detect a rising coupling voltage based on the second reference voltage corresponding to the water environment, and, determining whether the water environment has changed to the air environment based on an area of the rising coupling voltage and a maintain time which the rising coupling voltage.

16. The electronic device of claim 15, wherein the processor is further configured to, if the rising coupling voltage is continuously detected on the area of the touch screen panel greater than or equal to a predetermined area during a predetermined time, determining that the water environment has changed to the air environment.

17. A non-transitory computer readable storage medium which stores a program for performing a method comprising:

in response to detecting a change in a coupling voltage, determining whether a surrounding environment of a touch screen panel has changed from an air environment to a water environment based on an area of the coupling voltage change and a maintain time which the coupling voltage changes; and

if the surrounding environment has changed to the water environment, changing a reference voltage of the touch screen panel from a first reference voltage corresponding to the air environment to a second reference voltage corresponding to the water environment.