Portable radio terminal
US6539243B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1999 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Oct 4, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/724
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A portable radio terminal includes a radio communication section, radio terminal body, display screen, input buttons, and control section. The performs radio communication of a signal through a radio channel. The radio terminal body incorporates the radio communication section. The display screen is formed on the front surface of the radio terminal body to display functions. The input buttons include a plurality of operation buttons arranged near the display screen. The operation buttons have functions displayed at corresponding positions within the display screen. The control section executes a function in accordance with operation of the operation button.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.