Acoustic touch apparatus
US8681128B2 · kind B2 · utility
48Cited by
2References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2011 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Mar 10, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0418
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An improved acoustic touch apparatus that has a logo or application icon applied on the back surface of a propagating substrate which can be viewed through the substrate and an acoustic element situated adjacent the logo or application icon that can compensate for phase velocity shifts of surface acoustic waves in propagating over the logo or application icon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.