发明名称 PROVISION OF ACCESSIBILITY CONTENT USING MATRIX CODES.
摘要 <p>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.</p>
申请公布号 MX2013009794(A) 申请公布日期 2014.03.27
申请号 MX20130009794 申请日期 2012.02.16
申请人 ECHOSTAR TECHNOLOGIES L.L.C. 发明人 GERMAR SCHAEFER
分类号 H04N21/81;H04N21/236;H04N21/41;H04N21/434;H04N21/435 主分类号 H04N21/81
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