Controlling broadcast content processing using display state...

Details Controlling broadcast content processing using display state... Controlling broadcast content processing using display state...

2011-08-02

2011-08-02

Nguyen-Ba, Hoang-Vu A (Department: 2421)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S320000, C713S340000, C725S040000, C340S007320, C455S127500, C381S124000

Reexamination Certificate

active

07992026

ABSTRACT:
Controlling supplementary data channels using display state information involves processing, at a user device, a first broadcast signal having a content channel and a second signal having a supplementary data channel. The supplementary data channel is related to the content channel. The broadcast channel and supplementary channel are rendered to a user via the user device. The supplementary channel is at least partially rendered on a display of the user device. An event is determined that causes the display to be no longer viewable by the user. In response to determining the event, processing and rendering the supplementary data channel is ceased. The action of ceasing to process the supplementary data channel results in lowering power consumption of the user device.

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