Capacitive touch screen with conductive polymer
US7477242B2 · kind B2 · utility
49Cited by
13References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2002 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | May 23, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0444
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A capacitive touch screen is described with a touch area including a substantially transparent conductive polymer. The capacitive touch screen also includes circuitry connecting the conductive polymer of the touch area to a power source, where the circuitry is configured to determine a location of a capacitive coupling on the touch area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.