Touchscreen for detecting multiple touches
US10289250B2 · kind B2 · utility
0Cited by
25References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2016 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Sep 17, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04104
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touchscreen system comprises a touch area. At least one transmitter is positioned proximate to outer edges of the touch area for transmitting first beams in a first direction. At least one beam splitter is positioned proximate to the outer edges of the touch area for splitting the first beams into at least second and third beams that travel through the touch area in at least second and third directions, respectively. The at least one beam splitter comprises a plurality of deflecting elements. Receivers are positioned proximate to the outer edges of the touch area for receiving the at least second and third beams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.