Smartphone capable of detecting touch position and pressure
US9578148B2 · kind B2 · utility
2Cited by
2References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2015 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Jul 6, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A smartphone may be provided that includes: a cover layer; an LCD panel; a backlight unit which is located under the LCD panel; a pressure electrode which is located under the backlight unit; a shielding member which is located under the pressure electrode; and a converter which converts a signal comprising information for a capacitance change amount outputted from the pressure electrode to a digital signal. A magnitude of a touch pressure is detected from the digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.