Secure video card in computing device having digital rights management (DRM) system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Jan 31, 2002
app pub date -
Jun 28, 2001
filing date -
Mar 27, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A computing device includes a digital rights management (DRM) system thereon for allowing rendering of protected digital content on the computing device. The content includes video content to be displayed on a monitor coupled to the computing device. The computing device also includes a video section therein for receiving the content and for producing a video signal to be sent to the monitor based on the received content. The video section includes video memory for storing the received content, and the video memory is configured to be write-only except with regard to the video section. The video section further includes an authentication device for authenticating to the DRM system that the video memory is configured to be write-only except with regard to the video section.
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