Touch sensitive screen
US9250751B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2011 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Apr 25, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0443
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
One embodiment provides a capacitive sensor for determining the presence of an object, such as a user's finger or a stylus. The sensor includes a substrate on which electrodes are deposited. A resistive drive electrode is arranged on one side of the substrate and a resistive sense electrode is arranged on the other side of the substrate. A shorting connection connects between two locations on one of the electrodes. The electrodes are connected to respective drive and sense channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.