Touch input control method and device

• US 9,671,911 B2
• Filed: 12/22/2014
• Issued: 06/06/2017
• Est. Priority Date: 05/22/2014
• Status: Active Grant

• Current Assignee: Xiaomi Inc. (Xiaomi Corp.)
• Original Assignee: Xiaomi Inc. (Xiaomi Corp.)
• Inventors: Yang, Kun, Zhang, Bo, Zhu, Ling
• Primary Examiner(s): Johnson, Gerald
• Application Number:
  US14/578,715
• Publication Number:
  US 20150338954A1
• Time in Patent Office: 897 Days
• CPC Class Codes: G06F 3/04186 Touch location disambiguation
• CPC Class Codes: G06F 3/044 by capacitive means
• 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

A method for use in a device having a touch screen, includes: identifying touch information at a fringe area of the touch screen as fringe touch information; determining, according to a touch shape corresponding to the fringe touch information, whether the fringe touch information includes palm touch information generated from a palm touch by any part of a user'"'"'s palm; and blocking the palm touch information if it is determined that the fringe touch information includes the palm touch information.

Claims

1. A method for use in a device having a touch screen, comprising:

identifying touch information at a fringe area of the touch screen as fringe touch information;

determining, according to a touch shape corresponding to the fringe touch information, whether the fringe touch information includes palm touch information generated from a palm touch by any part of a user'"'"'s palm; and

blocking the palm touch information if it is determined that the fringe touch information includes the palm touch information, wherein the blocking includes;

determining a subarea in the fringe area corresponding to the fringe palm touch information; and

disabling a touch input function of the subarea.

2. The method of claim 1, wherein the identifying comprises:

obtaining the touch information when the user performs a touch operation on the touch screen;

judging, according to a position coordinate included in the touch information, whether the touch operation is performed in the fringe area of the touch screen; and

determining the touch information as the fringe touch information if the touch operation is performed in the fringe area of the touch screen.

3. The method of claim 1, wherein the determining whether the fringe touch information includes the touch information comprises:

obtaining the touch shape corresponding to the fringe touch information based on a distribution of touch spots in the fringe area;

judging whether the obtained touch shape corresponding to the fringe touch information matches a preset palm touch shape; and

determining that the fringe touch information includes the palm touch information if the obtained touch shape corresponding to the fringe touch information matches the preset palm touch shape.

4. The method of claim 1, wherein the determining of the corresponding subarea comprises:

comparing a position coordinate included in the fringe palm touch information with a coordinate range of each subarea in the fringe area; and

determining a first subarea corresponding to the coordinate range including the position coordinate as the corresponding subarea.

5. The method of claim 4, further comprising:

determining a second subarea in the fringe area associated with the first subarea as the corresponding subarea, the second subarea receiving a finger touch corresponding to the palm touch for the user to hold the device.

6. The method of claim 1, wherein the determining of the subarea in the fringe area comprises:

judging whether a time duration of the palm touch on the touch screen exceeds a preset time duration; and

determining that the subarea corresponds to the palm touch information if the time duration of the palm touch exceeds the preset time duration.

7. The method of claim 1, further comprising:

removing palm touch information generated from a central area of the touch screen.

8. The method of claim 1, further comprising:

detecting a finger touch operation area on the touch screen when the device is held; and

outputting a virtual touch control interface in the finger touch operation area.

9. A device, comprising:

a processor;

a touch screen; and

a memory configured to store instructions executable by the processor;

wherein the processor is configured to;

identify touch information at a fringe area of the touch screen as fringe touch information;

determine, according to a touch shape corresponding to the fringe touch information, whether the fringe touch information includes palm touch information generated from a palm touch by any part of a user'"'"'s palm; and

block the palm touch information if it is determined that the fringe touch information includes the palm touch information, wherein, in blocking the palm touch information, the processor is further configured to;

determine a subarea in the fringe area corresponding to the fringe palm touch information; and

disable a touch input function of the subarea.

10. The device of claim 9, wherein the processor is further configured to:

obtain the touch information when the user performs a touch operation on the touch screen;

judge, according to a position coordinate included in the touch information, whether the touch operation is performed in the fringe area of the touch screen; and

determine the touch information as the fringe touch information if the touch operation is performed in the fringe area of the touch screen.

11. The device of claim 9, wherein the processor is further configured to:

obtain the touch shape corresponding to the fringe touch information based on a distribution of touch spots in the fringe area;

judge whether the obtained touch shape corresponding to the fringe touch information matches a preset palm touch shape; and

determine that the fringe touch information includes the palm touch information if the obtained touch shape corresponding to the fringe touch information matches the preset palm touch shape.

12. The device of claim 9, wherein the processor is further configured to:

compare a position coordinate included in the fringe palm touch information with a coordinate range of each subarea in the fringe area; and

determine a first subarea corresponding to the coordinate range including the position coordinate as the corresponding subarea.

13. The device of claim 12, wherein the processor is further configured to:

determine a second subarea in the fringe area associated with the first subarea as the corresponding subarea, the second subarea receiving a finger touch corresponding to the palm touch for the user to hold the device.

14. The device of claim 9, wherein the processor is further configured to:

judge whether a time duration of the palm touch on the touch screen exceeds a preset time duration; and

determine that the subarea corresponds to the palm touch information if the time duration of the palm touch exceeds the preset time duration.

15. The device of claim 9, wherein the processor is further configured to:

remove palm touch information generated from a central area of the touch screen.

16. The device of claim 9, wherein the processor is further configured to:

detect a finger touch operation area on the touch screen when the device is held; and

output a virtual touch control interface in the finger touch operation area.

17. A non-transitory computer-readable storage medium having stored therein instructions that, when executed by a processor of a device having a touch screen, cause the device to perform a touch input control method, the method comprising:

identifying touch information at a fringe area of the touch screen as fringe touch information;

determining, according to a touch shape corresponding to the fringe touch information, whether the fringe touch information includes palm touch information generated from a palm touch by any part of a user'"'"'s palm; and

blocking the palm touch information if it is determined that the fringe touch information includes the palm touch information, wherein the blocking includes;

determining a subarea in the fringe area corresponding to the fringe palm touch information; and

disabling a touch input function of the subarea.