Systems and Methods for Adaptive Interpretation of Input From a Touch-Sensitive Input Device

• US 20120194472A1
• Filed: 04/06/2012
• Published: 08/02/2012
• Est. Priority Date: 11/26/2003
• Status: Active Grant

• Current Assignee: Immersion Corporation
• Original Assignee: Immersion Corporation
• Inventors: DaCosta, Henry, Ramstein, Christophe, Grant, Danny
• Granted Patent: US 8,749,507 B2
• Time in Patent Office: Days
• US Class Current: 345/174
• CPC Class Codes: G06F 3/0418 for error correction or compensation, e.g. based on parallax, calibration or alignment

Abstract

Systems and methods for adaptively interpreting a user'"'"'s intent based on parameters supplied by a touch-sensitive input device are described. In one of the methods described, a processor is programmed for receiving contact data from an input device; determining whether to output a haptic effect based on the contact data; and outputting the haptic effect based on the contact data.

Claims

1. A method comprising:

receiving contact data from an input device;

determining whether to output a haptic effect based on the contact data; and

outputting the haptic effect based on the contact data.

2. The method of claim 1, wherein the contact data comprises an actual pressure and a pseudo pressure.

3. The method of claim 2, further comprising determining a gesture associated with the contact data.

4. The method of claim 3, wherein the determining a gesture comprises determining one of a tapping or a pressing gesture.

5. The method of claim 2, wherein the pseudo pressure is based on a change in capacitance resulting from the contact.

6. The method of claim 5, wherein the contact data is based on a contact on a specific portion of a touch-sensitive input device.

7. The method of claim 6, wherein the contact information comprises position data, and further comprising determining whether a contact is made on a softkey based on the position data.

8. The method of claim 1, further comprising:

calculating a first value associated with a speed of movement of a contact across the input device;

comparing the first value to a speed threshold value; and

outputting a signal if the first value is less than the speed threshold value.

9. The method of claim 8, further comprising applying a speed filter to the first value before comparing the speed to the speed threshold value.

10. A computer-readable medium comprising program code for causing a processor to execute a method, the program code comprising:

program code for receiving contact data from an input device;

program code for determining whether to output a haptic effect based on the contact data; and

program code for outputting the haptic effect based on the contact data.

11. The computer-readable medium of claim 10, wherein the contact data comprises an actual pressure and a pseudo pressure.

12. The computer-readable medium of claim 11, further comprising program code for determining a gesture associated with the contact data.

13. The computer-readable medium of claim 12, wherein the program code for determining a gesture comprises program code for determining one of a tapping or a pressing gesture.

14. The computer-readable medium of claim 11, wherein the pseudo pressure is based on a change in capacitance resulting from the contact.

15. The computer-readable medium of claim 14, wherein the contact data is based on a contact on a specific portion of a touch-sensitive input device.

16. A system comprising:

a computer-readable medium; and

a processor in communication with the computer-readable medium, the processor configured to;

receive contact data from an input device;

determine whether to output a haptic effect based on the contact data; and

output the haptic effect based on the contact data.

17. The system of claim 16, wherein the contact data comprises an actual pressure and a pseudo pressure.

18. The system of claim 17, wherein the processor is further configured to determine a gesture associated with the contact data.

19. The system of claim 18, wherein the processor is configured to determine a gesture by determining one of a tapping or a pressing gesture.

20. The system of claim 17, wherein the pseudo pressure is based on a change in capacitance resulting from the contact.

21. The system of claim 20, wherein the contact data is based on a contact on a specific portion of a touch-sensitive input device.