Touch panel display device and touch panel controller
US9442612B2 · kind B2 · utility
1Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2014 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | Aug 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04809
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A common touch panel controller is used for performing touch detection by driving both a touch panel superimposed on a display panel of a touch panel display portion for display, and a touch sensor superimposed on a touch key pattern of a touch key input portion for buttons. A control circuit capable of switching detection characteristics of a detection circuit common to the both in accordance with detection from the touch panel display portion and detection from the touch key input portion is adopted in the touch panel controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.