Method and system for dynamically defining scroll-wheel functionality on a touchpad
US9176652B1 · kind B1 · utility
33Cited by
2References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2011 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Sep 8, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04883
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method is provided for providing scroll-wheel functionality on a touchpad without the touchpad predefining a scroll-wheel. The method includes receiving data corresponding to progressive movement of a touch point on the touchpad, determining from the received data that the progressive movement is substantially elliptical, defining an ellipse around an ellipse center. The method further includes detecting, based on the determined movement, continued angular movement of the touch point around the ellipse center, and registering the continued angular movement as one or more scroll events in the computing system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.