Character input device and method for a mobile terminal
US7190349B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2003 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | Feb 22, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/018
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A character input device and method for a mobile terminal, which enables users to quickly and conveniently input mixed characters from various character types such as Korean “Hangeul” characters, upper and lower case English characters, and different fonts and symbols. The mobile terminal includes a plurality of keys, each key being assigned characters of at least two character types, and is previously set in a character input mode of one of the character types, while characters of another of the character types can be selectively input. The character input device comprises at least one temporary mode conversion key mounted on the mobile terminal and a memory for storing character codes of each of the character types assigned to each of the plurality of keys. A controller selects one of the previously set character input mode and a temporary character mode, based on an input of the temporary mode conversion key, and reads out and recognizes character codes of each character types from the memory according to the plurality of keys input and the selected character input mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.