System for transmission and recovery of digital data using video graphics display processor and method of operation thereof
First Claim
1. A computer system comprising:
- a computer system memory which stores digital data;
a video monitor which displays information;
a graphics display processor, coupled to the computer system memory, which processes the digital data stored in the computer system memory to produce at least one data stream including the digital data and which outputs information to be displayed by the video monitor;
a video channel, coupling the video monitor to the graphics display processor, which outputs the information to be displayed to the video monitor and which outputs the at least one data stream including the digital data; and
a system, coupled to the video channel, which processes the at least one data stream including the digital data outputted from the video channel.
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Abstract
A system (30) for outputting digital data stored in a memory of a computer (12) in accordance with the invention includes a graphics display processor (20), coupled to the memory, for processing the digital data stored in the memory to produce at least one serial data stream including clock information, which is a function of a clock signal representative of a rate at which the at least one display formatted serial data stream is outputted, and display information for use in controlling a video monitor; a video channel (24), coupled to the display processor, for outputting the at least one serial data stream produced by the graphics display processor; a data processing memory (52); and a data processing system (40, 44 and 50) for processing the at least one serial data stream in response to the clock information and for removing at least the display information and controlling storing of the at least one of the at least one serial data stream with the display information removed which contains the digital data read from the memory of the computer system.
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Citations
27 Claims
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1. A computer system comprising:
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a computer system memory which stores digital data; a video monitor which displays information; a graphics display processor, coupled to the computer system memory, which processes the digital data stored in the computer system memory to produce at least one data stream including the digital data and which outputs information to be displayed by the video monitor; a video channel, coupling the video monitor to the graphics display processor, which outputs the information to be displayed to the video monitor and which outputs the at least one data stream including the digital data; and a system, coupled to the video channel, which processes the at least one data stream including the digital data outputted from the video channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. In a computer system including a computer system memory which stores digital data, a video monitor which displays information, a graphics display processor, coupled to the computer system memory, which processes the digital data stored in the computer system memory to produce at least one data stream including the digital data and which outputs information to be displayed by the video monitor, a video channel, coupling the video monitor to the graphics display processor, which outputs the information to be displayed to the video monitor and which outputs the at least one data stream including the digital data, and a system, coupled to the video channel, which processes the at least one data stream including the digital data, a method comprising:
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outputting digital data stored in the computer system memory to the graphics display processor; processing the outputted digital data with the graphics display processor to produce at least one data stream containing the digital data; and outputting the at least one data stream from the video channel to the system. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification