Pocket size computer adapted for use by a visually impaired user
US7432912B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2005 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Dec 21, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B21/003
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The adaptation of a regular pocket size computer for use by a visually impaired person is provided. A framework is firstly provided for building adapted applications, having adapted input and output services, a system resources library including tools for interacting with these adapted services and an adaptation library. A tactile keyboard is further provided to allow data entry through the screen interface of the computer. The tactile keyboard includes a membrane having raised keys on one side and corresponding screen activating tips on the other. Means for mounting the keyboard above the computer with the screen activating tips positioned in contact less alignment with the corresponding selected areas of the screen interface are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.