Display device suited for a blind person
US6712613B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 30, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Mar 17, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B21/003
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A display device which displays image information in a form perceivable by a blind person. For this purpose, the display device has a plurality of areally arranged elements (1), which are individually actuatable, and an actuation device for actuation of the elements (1), whereby through the elements (1), electronic image information (7) fed into the evaluation device (16) is tangibly represented through the elements (1). The actuator elements may be arranged areally on a flexible substrate (13), which are individually actuatable, whereby through the actuator elements (11), vibrations and/or heat and/or electrical impulses can be generated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.