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Device and method of display process

A technology of display processing and display head, which is applied in the field of effective capture and redirection of frames, and can solve the problems of reducing the frame rate and image quality of redirected video

Inactive Publication Date: 2009-09-02
WINBOND ELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In many cases, the available memory access bandwidth (i.e., the rate at which memory is accessed) is the bottleneck of the system, and lack of sufficient memory bandwidth will reduce the frame rate and image quality of the redirected video

Method used

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  • Device and method of display process
  • Device and method of display process
  • Device and method of display process

Examples

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Embodiment Construction

[0045] In some computing applications, graphics information generated by a computer is forwarded to another computer, whether or not the graphics information is displayed on the client side. Such applications are often referred to as video redirection applications. The video redirection method is used, for example, in various remote control and remote access applications, such as for controlling server clusters from a remote control computer. In some applications, commonly referred to as keyboard-video-mouse (KVM) applications, keyboard and mouse input from the controlling computer is transmitted to the remote (controlled) computer, in addition to redirecting the video in the opposite direction. The KVM application enables the user to control and operate the remote computer from the control computer. The term "video redirection" and KVM are often used interchangeably to describe both applications with remote control capabilities using a mouse and keyboard and video-only appli...

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Abstract

The invention relates to a device and a method of display process. The device comprising a host interface which can be used for receiving graphical information from a first computer. A first display head can be used for generating a first digital video signal which denotes the graphical information at a first frame rate, wherein the first digital video signal comprises a first frame. The first digital video signal displays the graphical information on a client display of the first computer. A second display head can be used for generating a second video signal which denotes the graphical information and comprises a second frame at a second frame rate which is less than the first frame rate. A video-reorienting module can adjust the transmission speed of the second digital video signal from the second display head, retrieve the second frame generated from the second display head and transmit the retrieved frame to a second computer.

Description

technical field [0001] The present invention relates generally to remote control of computing platforms, and in particular to methods and systems for efficient capture and redirection of frames in remote computer control applications. Background technique [0002] A computing platform usually uses a graphics card or a graphics processor to generate graphics information and display the graphics information on a client monitor. Several manufacturers offer graphics display devices and modules that include dual display heads that drive two displays simultaneously. [0003] Some graphics processors integrate graphics processing functions with remote control and remote management functions called keyboard-video-mouse (KVM, Keyboard-Video-Mouse) functions. [0004] KVM applications typically store the pixel values ​​of the redirected frames in one or more memory devices of the controlled computer. The storage and retrieval of these frames involves large memory access operations. ...

Claims

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Application Information

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IPC IPC(8): G06F3/14G06F3/038G06F3/023
Inventor 黑洋·裘尔皮尔·约岚崔特·巫里欧茲·欧费德
Owner WINBOND ELECTRONICS CORP
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