Systems and methods for capturing screen displays from a host computing system for display at a remote terminal
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Accused Products
Abstract
The present invention provides systems and methods for monitoring a host computing system from a maintenance computing system located at a remote location. The system of the present invention includes a frame grabber that is connected the digital output of a video controller associated with the host computing system and collects sets of data output in digital form from the video controller independent of an analog to digital converter. Each collected digital data set represents a frame. of data displayed on a terminal of the host computing system by the video controller and is stored in a storage device associated with the frame grabber. Successive sets of data are also compared to each other, and the differences between the data are also stored in the storage device. During a maintenance session, a first data set representing the data currently displayed on the terminal of the host computing system is transmitted to the maintenance computing system, and thereafter, only changes between successive data sets are transmitted to update the maintenance computing system.
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Citations
56 Claims
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1-25. -25. (Canceled)
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26. An apparatus for transmitting to a remote location information related to a host computing system, said apparatus comprising:
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a video controller that simultaneously outputs digital data of a first video output representing data for display and outputs a second video signal of a second video output for display on a terminal associated with the host computing system;
a frame grabber in electrical communication with the first video output of the video controller, said frame grabber capable of collecting sets of data output in digital form from the video controller independent of an analog to digital converter, wherein each digital data set represents a frame of data for display; and
a transmission device for transmitting said data sets to a remote location for display. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method for transmitting to a remote location information related to a host computing system, where the host computing system has a video controller that outputs digital data from a first video signal output representing the data for display while simultaneously outputting a second video signal from a second video signal output for display on a terminal associated with the host computing system, said method comprising:
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while the second video signal is being output for display from the video controller, simultaneously collecting sets of data output in digital form from the first video signal output of the video controller independent of an analog to digital converter, wherein each digital data set represents a frame of data for display;
storing each of the digital data sets collected by said collecting step in a storage device; and
transmitting data sets to a remote location for display. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48)
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49. A system for transmitting to a remote location information related to a computing system, said apparatus comprising:
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a host computing system having a video controller that simultaneously outputs digital data of a first video output representing data for display and outputs a second video signal of a second video output for display on a terminal associated with the host computing system;
a frame grabber in electrical communication with the digital first video output of said video controller, said frame grabber capable of collecting sets of data output in digital form from said video controller independent of an analog to digital converter, wherein each digital data set represents a frame of data for display;
a transmission device for transmitting said data sets to a remote location so for display. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56)
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Specification