Computer input device for automatically scrolling
US7859517B2 · kind B2 · utility
6Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2007 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Oct 18, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0485
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer input device includes a body and a trace-detecting module coupled to the body. The body has a micro control unit (MCU), and the trace-detecting module has at least a light pervious area, and a trace-detecting unit. The trace-detecting unit further has at least a light source and a sensor. The sensor senses a reflected light beam caused by movement of a user's digit movement on the light pervious area at a velocity which can be sensed by the sensor. If the velocity exceeds a threshold stored in the MCU, the MCU executes automatically scrolling at a predetermined scrolling speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.