METHOD OF IDENTIFYING A GESTURE AND DEVICE USING THE SAME

• US 20120249448A1
• Filed: 01/20/2012
• Published: 10/04/2012
• Est. Priority Date: 03/31/2011
• Status: Abandoned Application

• Current Assignee: BYD Company Limited
• Original Assignee: BYD Company Limited
• Inventors: LIU, Xiaoning, Cai, Tiejun, He, Bangjun, Yang, Yun, Liu, Tingting
• Application Number:
  US13/355,307
• Publication Number:
  US 20120249448A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/04166 Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally G06F3/04184
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text

Abstract

A method of identifying gestures on a touchpad comprises determining a first time interval between receipt and drop in a first contact signal induced by a first contact with the touchpad, recording a first start touch point and a first end touch point associated with the receipt and drop in the first contact signal, determining a gesture according to the first time interval, the first start touch point and the first end touch point and generating a control signal associated with the determined gesture.

Claims

1. A method of identifying gestures on a touchpad comprising:

determining a first time interval between receipt and drop in a first contact signal induced by a first contact with the touchpad;

recording a first start touch point and a first end touch point associated with the receipt and drop in the first contact signal;

determining a gesture according to the first time interval, the first start touch point and the first end touch point; and

generating a control signal associated with the determined gesture.

2. The method of claim 1, further comprises:

determining a first displacement between the first start touch point and the first end touch point associated with the first contact signal;

determining a first reference interval according to the first time interval and the first displacement; and

comparing the first reference interval to a first reference and a second reference, wherein the first reference is less than the second reference, and the first reference and second reference are predefined.

3. The method of claim 2, furthering comprising:

In an instance in which the first reference interval is larger than the first reference and less than the second reference, outputting a single click signal in the absence of receiving a second contact signal induced by a second contact with the touchpad.

4. The method of claim 2, furthering comprising:

receiving a second contact signal induced by a second contact with the touchpad; and

recording a second time interval between the drop in the first contact signal and receipt of the second contact signal.

5. The method of claim 4, furthering comprising:

determining a second displacement between a second start touch point associated with the second contact signal and the first end touch point associated with the first contact signal;

determining a second reference interval according to the second time interval and the second displacement; and

comparing the second reference interval to a third reference and a fourth reference, wherein the third reference is less than the fourth reference, and the third reference and fourth reference are predefined.

6. The method of claim 5, in an instance in which the second reference interval is larger than the third reference and less than the fourth reference, furthering comprising:

determining a third time interval between receipt and drop in the second contact signal;

determining a third displacement between the second start touch point and an second end touch point associated with the second contact signal;

determining a third reference interval according to the third time interval and the third displacement; and

comparing the third reference interval to a fifth reference and a sixth reference, wherein the fifth reference is less than the sixth reference, and the fifth reference and sixth reference are predefined.

7. The method of claim 6, further comprises:

outputting a double click signal in an instance in which the third reference interval is greater than the fifth reference and less than the sixth reference.

8. The method of claim 6, further comprising:

outputting a drag signal in an instance in which the third reference interval is larger than the sixth reference.

9. A touch gesture identifying device of identifying a gesture on a touchpad, comprising:

a touch screen configured to receive a first contact signal induced by a first contact with the touchpad;

an identifying module, configured to

determine a first time interval between receipt and drop in the first contact signal;

record a first start touch point associated with receipt of the first contact signal and a first end touch point associated with drop in the first contact signal; and

determine a gesture according to the first time interval, the first start touch point and the first end touch point; and

a data storage medium, configured to store data output from the touch screen and the identifying module.

10. The device of claim 9, wherein the identifying module is further configured to

determine a first displacement between the first start touch point and the first end touch point associated with the first contact signal;

determine a first reference interval according to the first time interval and the first displacement; and

compare the first reference interval to a first reference and a second reference, wherein the first reference is less than the second reference, and the first reference and second reference are predefined.

11. The device of claim 10, wherein the identifying module is further configured to

output a single click signal in the absence of receiving a second contact signal induced by a second contact with the touchpad in an instance in which the first reference interval is larger than the first reference and less than the second reference,.

12. The device of claim 10, wherein the touch screen is configured to receive a second contact signal induced by a second contact with the touch screen;

and wherein the identifying module is further configured to determine a second time interval between the drop in the first contact signal and receipt of the second contact signal.

13. The device of claim 12, the identifying module is further configured to

determine a second displacement between a second start touch point associated with the second contact signal and the first end touch point associated with the first contact signal.

14. The device of claim 13, the identifying module is further configured to

determine a second reference interval according to the second time interval and the second displacement;

and

compare the second reference interval to a third reference and a fourth reference, wherein the third reference is less than the fourth reference, and the third reference and fourth reference are predefined

15. The device of claim 14, wherein in an instance in which the second reference interval is larger than the third reference and less than the fourth reference, the identifying module is further configured to

determine a third displacement between the second start touch point and an second end touch point associated with the second received contact signal;

determine a third time interval between receipt and drop in the second received contact signal;

determine a third reference interval according to the third time interval and the third displacement; and

compare the third reference interval to a fifth reference and a sixth reference, wherein the fifth reference is less than the sixth reference, and the fifth reference and sixth reference are predefined.

16. The device of claim 15, wherein the identifying module is further configured to

output a double click signal in an instance in which the third reference interval is greater than the fifth reference and less than the sixth reference.

17. The device of claim 15, wherein the identifying module is further configured to

output a drag signal in an instance in which the third reference interval is larger than the sixth reference.

18. The device of claim 9, wherein the identifying module further comprises a counter, configured to record the time in receipt of a contact signal and in detecting a drop in the received contact signal.

19. The device of claim 9, wherein the identifying module further comprises a sensing module, configured to sense a contact signal induced by a contact with the touchpad.

20. The device of claim 9, wherein the identifying module further comprises a displacement measurement module, configured to record a start touch point and/or an end touch point of a received contact signal.