Multipoint touch surface controller
US8279180B2 · kind B2 · utility
1,000Cited by
175References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2006 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Jan 21, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04104
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A multipoint touch surface controller is disclosed herein. The controller includes an integrated circuit including output circuitry for driving a capacitive multi-touch sensor and input circuitry for reading the sensor. Also disclosed herein are various noise rejection and dynamic range enhancement techniques that permit the controller to be used with various sensors in various conditions without reconfiguring hardware.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.