Method and apparatus for using a touch screen display on a portable intelligent communications device
US6433801B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1997 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Sep 26, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/724
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A portable intelligent communications device is provided which includes a cellular telephone and a computer-controlled touch screen display. The touch screen display is a high-resolution graphics display which acts as a graphical user interface. Since the touch screen display is smaller in size than a standard laptop computer's display, the information boxes and menu selections are re-sized so as to fit on the smaller screen, however, each of the choices is made large enough in surface area so that a human finger can tactilely operate the touch screen display without the need of a more precise pointing device. Instead of using pull-down menus or drop down lists, the graphical user interface provides a selection list based upon virtual control buttons and virtual “image buttons” in which each image button is labeled to describe the option that can be selected by pressing that button. In situations where touching a control button opens a second level of the menu, this second level of menu choices (or “image buttons”) is either docked adjacent to the display's work area, or is launched as a floating window on top of the work area. The user also may reconfigure …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.