Waveguide configurations for optical touch systems
US8674963B2 · kind B2 · utility
35Cited by
16References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2007 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Feb 5, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0421
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Waveguide structures and optical elements for use in an optical touch input device are disclosed. The disclosed waveguide structures and optical elements allow for reduced bezel width and simplified assembly of optical touch input devices, and relaxed component tolerances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.