Matrix code-based accessibility
US8931031B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 24, 2011 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8133
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of presenting a matrix code for providing accessibility content includes receiving, at a content receiver, a signal carrying accessibility content, generating, at the content receiver, a matrix code from the accessibility content, and transmitting the matrix code as part of a content presentation to a presentation device for display, wherein the content presentation includes at least one of audio and visual content and the accessibility content includes an alternative form of at least one of the audio and the visual content for allowing a user to more fully comprehend the content presentation. Systems for implementing the method are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.