Techniques for selectively changing display refresh rate

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United States of America Patent

PATENT NO 8842111
SERIAL NO

12885708

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Abstract

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Techniques are described that can be used to adjust a refresh rate of a display device. For example, the refresh rate change can be triggered by a user application for a variety of circumstances such as a change in power source from AC to DC or display of 24 frames per second (fps) video. Contents of a primary buffer can be copied to a dummy buffer and a display engine can read video from the dummy buffer to provide video to a display. The clock rate of a clock used to read out pixels can be adjusted using software commands. Video is written to another buffer and during a vertical blanking interval, the display engine reads frames from the another buffer instead of the dummy buffer.

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Patent Owner(s)

  • INTEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agrawal, Santosh K Bangalore, IN 2 16
Kambhatla, Srikanth Portland, US 54 432
Perazhi, Sameer Kalathil Bangalore, IN 1 15
Satyanantha, Rama Gopal M Bangalore, IN 1 15

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