Device and method of controlling a computer using centroids
US9063593B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2011 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Jul 16, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/0338
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer control system and a method of controlling a computer are disclosed. One such system includes an area-array sensor and a processor. The processor may have a navigation mode, and when set to this mode, the processor is configured to execute certain tasks. Those tasks may include acquiring a first information set and acquiring a second information set from the sensor. The first information set may represent reflected energy received by the sensor at the first time and the second information set may represent reflected energy received by the sensor at the second time. The first information set indicates a first contact area corresponding to that portion of an indicator object (such as a finger or stylus) which contacts the platen at the first time, and the second information set indicates a second contact area corresponding to that portion of the indicator object which contacts the platen at the second time. Centroids of the contact areas are used to determine a navigation control measurement that may be used to control a computer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.