Communication terminal apparatus and control method thereof
US6198948A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1999 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Jun 24, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/236
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication terminal apparatus such as a portable telephone apparatus has a main body, a selection operation unit, an operation inputting unit, a display unit, and a controller. The main body has a speaker and a microphone. The selection operation unit is provided on the main body and selects one mode from a plurality of modes of the communication terminal apparatus. The control inputting unit is provided on the main body and changes functions based on the mode selected by the selection operation means. The display unit is provided on the main body and displays information required for selection operation or inputting operation by the selection operation unit and/or the operation inputting unit. The controller sets mode selected based on the input from the selection operation unit, and switches function of the operation input unit based on the input from the selection operation unit. The controller controls display operation of the display unit based on the input form the selection operation unit and/or the operation inputting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.