Continuous graphics display for dual display devices during...

Details Continuous graphics display for dual display devices during... Continuous graphics display for dual display devices during...

2007-07-17

2007-07-17

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural display systems

Remotely located

C345S001100, C345S003100, C345S204000, C345S212000

Reexamination Certificate

active

10640423

ABSTRACT:
The present invention provides an image/graphics data display mechanism for continuously displaying image/graphics data on dual display devices of a computer that contains a Display FIFO and a system memory directly accessed by the computer's CPU, wherein at least one of the display devices is running in a low-resolution mode, the mechanism comprising: determining which of the display devices is running in the low-resolution mode; receiving a power saving signal from the CPU; requesting an access to the system memory, and pre-storing the image/graphics data for the low-resolution device into the Display FIFO; and triggering the CPU power saving process according to a display timing scheme of the other display device.

REFERENCES:
patent: 5886689 (1999-03-01), Chee et al.
patent: 6021256 (2000-02-01), Ng et al.
patent: 2002-165134 (2002-07-01), None

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