Optical pointing device and method of detecting click event in optical pointing device
US8270677B2 · kind B2 · utility
1Cited by
4References
14Claims
0Family size
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Key dates
| Filing date | Mar 13, 2009 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Apr 5, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/0338
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of detecting a click event for sensing a motion of a finger corresponding to a click on a sensing area of an optical pointing device, the method including: obtaining an image of the finger from the sensing area; sensing a change in the image of the finger; analyzing a horizontal movement of the finger based on the change in the image of the finger; and generating a click signal when the horizontal movement of the finger is within a predetermined range is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.