Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Statutory Invention Registration
2007-04-03
2007-04-03
Pihulic, Dan (Department: 3662)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
Statutory Invention Registration
active
11061249
ABSTRACT:
A video controller having a processor for processing executable instructions and associated data and a number of data ports, a method of acquiring extended display identification data (EDID) by a requesting one of the data ports is described. When on-board power supply is activated, an off-board power supply is deactivated and then the now active on-board power supply provides power to a memory device used to store the EDID and the executable instructions and associated data and to an on-board clock circuit capable of providing a high frequency clock signal. The on-board clock circuit, in turn, provides the high frequency clock signal from the on-board clock circuit to the memory device and if a memory read operation had been in progress when the on-board power supply was activated, then the memory read operation is completed.
REFERENCES:
patent: 2006/0082570 (2006-04-01), Noorbakhsh et al.
Chilukuri Ram
Keene David
Lattanzi John
Noorbakhsh Ali
Beyer Weaver & Thomas LLP
Genesis Microchip Inc.
Pihulic Dan
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