Edge treatment method for ultrasonic wave absorption
US6313829A · kind A · utility
10Cited by
7References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1998 |
| Grant date | Nov 6, 2001 |
| Priority date | — |
| Expiry date | Nov 2, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/043
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention is directed to a touch screen sensor 10 that reduces or eliminates echoes or reflections of ultrasonic waves generated by one or more transducers 12. The touch screen sensor 10 is comprised of a wave absorption material 16 positioned around at least a portion of the perimeter 35 of the touch screen sensor 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.