Infrared touch screen gated by touch force
US8130202B2 · kind B2 · utility
61Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2007 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Jan 13, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0421
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch-sensitive display device includes a display. A transparent plate is provided in front of the display. A tactile sensor senses a touch event. One or more infrared sensors are positioned in front of the transparent plate. The one or more infrared sensors identify a location of the touch event when the tactile sensor detects a touch event.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.