Data input
US6812940B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2001 |
| Grant date | Nov 2, 2004 |
| Priority date | — |
| Expiry date | Apr 18, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/673
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention is a method and an apparatus for selecting a character from a predetermined set of characters. An apparatus for selecting a character from a predetermined set of characters includes a means for presenting to a user a first plurality of selectable choices, at least one of which represents a sub-set of said set of characters; input means for selecting one of said first plurality of selectable choices; wherein the means for presenting further presents to a user a second plurality of selectable choices, at least one of which represents a character of said selected choice; and wherein the input means further functions for selecting a character from said second plurality of selectable choices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.