Touch control method and electronic device

• US 9,857,896 B2
• Filed: 12/05/2011
• Issued: 01/02/2018
• Est. Priority Date: 12/09/2010
• Status: Active Grant

• Current Assignee: Lenovo (Beijing) Limited (Lenovo Group Ltd.), Lenovo Company Limited (Lenovo Group Ltd.)
• Original Assignee: Lenovo (Beijing) Limited (Lenovo Group Ltd.), Lenovo Company Limited (Lenovo Group Ltd.)
• Inventors: Liu, Junfeng
• Primary Examiner(s): EARLES, BRYAN E
• Application Number:
  US13/992,494
• Publication Number:
  US 20130271416A1
• Time in Patent Office: 2,220 Days
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

A touch control method and electronic apparatus are described. The method includes a touch sensing unit on which an operational body carries out a continuous touch operation. The method includes determining a first coordinate of a first touch point on the touch sensing unit corresponding to the operational body at a first moment; determining a first operational area including the first coordinate on the touch sensing unit according to the first coordinate; determining a second coordinate of a second touch point on the touch sensing unit corresponding to the operational body at a second moment; obtaining a moving vector from the first touch point to the second touch point according to the first coordinate and the second coordinate; deciding whether the second coordinate is within the first operational area to generate a decision result; and executing a command corresponding to the moving vector according to the decision result.

Claims

1. A touch control method applied to an electronic apparatus comprising a touch sensing unit on which an operational body carries out a continuous touch operation, the method comprising:

determining a first coordinate of a first touch point on the touch sensing unit corresponding to the operational body at a first moment;

determining a first operational region including the first coordinate on the touch sensing unit according to the first coordinate;

determining a second coordinate of a second touch point on the touch sensing unit corresponding to the operational body at a second moment, wherein during a roll movement of the operational body from the first touch point to the second touch point, the first operational region remains unchanged;

obtaining a moving vector from the first touch point to the second touch point according to the first coordinate and the second coordinate;

deciding whether the second coordinate is within the first operational region to generate a decision result; and

executing a command corresponding to the moving vector according to the decision result,

wherein when the decision result indicates that the second coordinate is within the first operational region, selecting a predetermined type of command from at least a first type of command and a second type of command according to a direction of the moving vector, and executing different commands of the selected predetermined type of command to the content data according to a length of the moving vector and when the decision result indicates that the second coordinate is not within the first operational region, executing a third type of command to the content data according to direction of the moving vector such that functions of the first type of command, the second type of command, and the third type of command are different from each other.

2. The method according to claim 1, wherein the first moment is a start moment of the continuous touch operation;

and the second moment is a multiple of a predetermined time interval.

3. The method according to claim 1, wherein, determining the first coordinate of the first touch point on the touch sensing unit corresponding to the operational body comprises:

obtaining a sensing region on the touch sensing unit corresponding to the operational body at the first moment;

selecting one point in the sensing region as the first touch point according to a presetting; and

obtaining the first coordinate of the first touch point.

4. The method according claim 3, wherein

obtaining the sensing region on the touch sensing unit corresponding to the operational body at the first moment comprises:

obtaining area of the sensing region,

determining the first operational region of the first coordinate on the touch sensing unit according to the first coordinate comprises;

determining the first operational region including the first coordinate on the touch sensing unit according to the first coordinate and the area of the sensing region, wherein the area of the first operational region is determined according to the area of the sensing region.

5. The method according claim 3, wherein

obtaining the sensing region on the touch sensing unit corresponding to the operational body at the first moment comprises:

obtaining shape of the sensing region,

determining the first operational region of the first coordinate on the touch sensing unit according to the first coordinate comprises;

determining the first operational region including the first coordinate on the touch sensing unit according to the first coordinate and the shape of the sensing region, wherein the shape of the first operational region is determined according to the shape of the sensing region.

6. The method according to claim 1, wherein, the electronic apparatus further comprises a display unit configured to display content data to the user.

7. The method according to claim 6, wherein, the first type of command or the second type of command comprises at least one of the following commands:

magnifying the content data, reducing the content data, moving the content data, and rotating the content data.

8. The method according to claim 7, wherein executing the selected type of command to the content data comprises:

obtaining length and direction of the moving vector;

determining a command parameter according to the length and the direction of the moving vector; and

executing the selected type of command according to the command parameter.

9. The method according to claim 7, wherein the selected type of command is magnifying the content data or reducing the content data, and the method further comprises:

displaying the content data to which the selected type of command is executed with the data in the content data corresponding to the first coordinate as center when the continuous touch operation ends.

10. An electronic apparatus, comprises:

at least one touch sensing unit, each touch sensing unit being configured to accept a continuous touch operation of an operational body, determine a first coordinate of a first touch point of the operational body at a first moment during the continuous touch operation, and determine a second coordinate of a second touch point of the operational body at a second moment during the continuous touch operation;

a processing unit configured to determine a first operational region including the first coordinate in the corresponding touch sensing unit according to the first coordinate determined by each touch sensing unit, and obtain a moving vector from the first touch point to the second touch point in the corresponding touch sensing unit according to the first coordinate and the second coordinate determined by each touch sensing unit, wherein during a roll movement of the operational body from the first touch point to the second touch point, the first operational region remains unchanged;

a deciding unit configured to decide whether the second coordinate is within the first operational region in each touch sensing unit to generate a decision result; and

a control unit configured to execute a command corresponding to the moving vector according to the decision result,

wherein when the decision result indicates that the second coordinate is within the first operational region, the control unit selects a predetermined type of command from at least a first type of command and a second type of command according to a direction of the moving vector and executes different commands of the selected predetermined type of command to the content data according to the length of the moving vector and when the decision result indicates that the second coordinate is not within the first operational region, the control unit executes a third type of command to the content data according to direction of the moving vector such that functions of the first type of command, the second type of command and the third type of command are different from each other.

11. The electronic apparatus according to claim 10, wherein

each touch sensing unit is further configured to obtain area and/or shape of a sensing region correspond to the operational body at the first moment,

the processing unit is further configured to determine the area and/or the shape of the first operational region in the corresponding touch sensing unit according to the area and/or the shape of the sensing region obtained by each touch sensing unit.

12. The electronic apparatus according to claim 10, further comprises:

a display unit configured to display content data to the user,

wherein, the first type of command or the second type of command comprises at least one of the following commands;

magnifying the content data, reducing the content data, moving the content data, and rotating the content data.

13. The electronic apparatus according to claim 12, wherein, the selected type of command is magnifying the content data or reducing the content data, wherein

the display unit is further configured to display the content data to which the selected type of command is executed with the data in the content data corresponding to the first coordinate as center when the continuous touch operation ends.