Cellular telephone having a touch screen user interface
US6775560B2 · kind B2 · utility
61Cited by
38References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2002 |
| Grant date | Aug 10, 2004 |
| Priority date | — |
| Expiry date | Dec 2, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A cellular telephone having a touch screen user interface is disclosed. The cellular telephone comprises a touch screen element positioned on a surface of the cellular telephone; display positioned above the touch screen element; and a keypad positioned below the touch screen element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.