Infrared sensor integrated in a touch panel
US8466902B2 · kind B2 · utility
51Cited by
42References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2011 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Mar 11, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1318
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An infrared source is configured to illuminate the underside of one or more objects on or above a touchable surface of a touch panel. Infrared light reflected from the underside of the object(s) is detected by an infrared sensor integrated in the touch panel below the touchable surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.