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Packet based closed loop video display interface with periodic status checks

A technology of periodic state and video display, applied in the direction of static indicator, digital output to display device, TV, etc.

Inactive Publication Date: 2004-12-01
GENESIS MICROCHIP
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  • Description
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As long as the aforementioned analog systems prevail, there i

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  • Packet based closed loop video display interface with periodic status checks
  • Packet based closed loop video display interface with periodic status checks
  • Packet based closed loop video display interface with periodic status checks

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A specific embodiment of the present invention will now be described in detail, and an example of the embodiment is shown in the accompanying drawings. Although the present invention has been described in connection with specific embodiments, it should be understood that this is not intended to limit the present invention to the described embodiments, but to cover the spirit and scope of the present invention as defined in the appended claims. Substitutions, modifications and equivalents within.

The interface of the present invention is a point-to-point, packet-based, plug-and-play serial digital display interface, which is open and upgradeable, suitable for but not limited to desktop monitors, and provides a notebook / integrated PC Connectivity in LCD, and for consumer electronic display devices including HDTV displays. Unlike the traditional display interface that transmits single video raster plus timing signals such as Vsync, Hsync, DE, etc., the interface of the present invent...

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Abstract

A packet based closed loop video display interface with periodic status check capability arranged to couple a multimedia source device and a multimedia sink device that includes an adjustable, high speed main link arranged to carry a number multimedia data packets from the multimedia source device to the multimedia sink device. A bi-directional auxiliary channel arranged to provide a number of support functions useful for main link set up and supporting main link operations such as periodically sending a status check of the multimedia display device to the multimedia source device such that the closed loop created by combining the adjustable, high speed main link with a very reliable auxiliary channel allows for robust operation of the display interface over a variety of main link conditions.

Description

technical field The present invention displays a device. More particularly, the present invention relates to digital display interfaces suitable for coupling video sources to video display devices. Background technique Currently, video display technology is divided into analog-type display devices (such as cathode ray tubes) and digital-type display devices (such as liquid crystal displays or LCDs, plasma displays, etc.), each of which must be driven by a specific input signal in order to successfully Display the image. For example, a typical analog system includes an analog source (such as a personal computer, DVD player, etc.) directly coupled via a communications link to a display device (sometimes called a display sink). The communication link usually takes the form of a cable well known to those skilled in the art, such as an analog VGA cable in the case of a PC, otherwise known as a VGA DB15 cable. For example, a VGA DB15 cable includes 15 pins, each pin is assigne...

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Application Information

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IPC IPC(8): G09G3/36G06F3/14G09G3/20G09G5/00H04J1/00H04L12/66H04L12/70H04N5/765H04N7/00
CPCG09G2370/047G09G2370/042G09G5/006G06F3/14A01M29/18B06B1/02B06B2201/75
Inventor O·科巴亚施
Owner GENESIS MICROCHIP
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