PORTABLE ELECTRONIC DEVICE INCLUDING TOUCH-SENSITIVE DISPLAY AND METHOD OF CHANGING TACTILE FEEDBACK

• US 20110304559A1
• Filed: 06/11/2010
• Published: 12/15/2011
• Est. Priority Date: 06/11/2010
• Status: Abandoned Application

• Current Assignee: Malikie Innovations Limited (Key Patent Innovations Limited)
• Original Assignee: Blackberry Limited
• Inventors: PASQUERO, Jerome
• Application Number:
  US12/814,187
• Publication Number:
  US 20110304559A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/016 Input arrangements with force or tactile feedback as computer generated output to the user
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display

Abstract

A method includes detecting touches on a touch-sensitive display, determining force values for the touches, and changing tactile feedback based on the force values.

Claims

1. A method comprising:

detecting touches on a touch-sensitive display;

determining force values for the touches;

changing tactile feedback based on an average of the force values.

2. The method according to claim 1, wherein changing tactile feedback comprises changing an intensity of the tactile feedback.

3. The method according to claim 1, wherein changing tactile feedback comprises changing amplitude of the tactile feedback.

4. The method according to claim 1, wherein changing tactile feedback comprises changing based on a comparison of the average to a target value.

5. The method according to claim 1, wherein changing tactile feedback comprises increasing amplitude of the tactile feedback when the average exceeds the target value.

6. The method according to claim 1, wherein changing tactile feedback comprises decreasing amplitude of the tactile feedback when the average is less than the target value.

7. The method according to claim 1, wherein changing tactile feedback comprises changing amplitude by an amount based on a difference between the average and the target value.

8. The method according to claim 1, wherein the average comprises an average of the force values that meet a threshold.

9. The method according to claim 1, comprising providing tactile feedback for each of the force values that meets a threshold.

10. The method according to claim 9, wherein the tactile feedback simulates depression of a dome switch.

11. The method according to claim 1, wherein changing comprises changing when the force values for a threshold number of touches are collected.

12. A computer-readable medium having computer-readable code executable by at least one processor of a portable electronic device to perform the method according to claim 1.

13. An electronic device comprising:

a touch-sensitive display;

at least one force sensor arranged to determine a force value for a touch detected on the touch-sensitive display;

an actuator arranged to impart a force on the touch-sensitive display to provide tactile feedback;

at least one processor, operably coupled to the touch-sensitive display, the at least one force sensor, and the actuator, and configured to change the tactile feedback based on an average of a plurality of force values, the plurality of force values including the force value for the touch.

14. The electronic device according to claim 13, wherein the actuator comprises at least one piezo actuator.

15. The electronic device according to claim 13, wherein the processor is configured to change the tactile feedback by changing amplitude of the tactile feedback.

16. The electronic device according to claim 13, wherein the change comprises a change by an amount based on a difference between the average and a target value.