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Computer, dual-mode dp and hdmi transmission device and its use

A transmission device and dual-mode technology, applied in the field of data transmission, can solve the problems of expensive, huge traditional architecture, and hardware space consumption, and achieve the effect of saving costs and reducing hardware space.

Active Publication Date: 2010-02-17
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This conventional architecture is bulky and expensive since the level shifter 114 consumes valuable hardware space

Method used

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  • Computer, dual-mode dp and hdmi transmission device and its use
  • Computer, dual-mode dp and hdmi transmission device and its use
  • Computer, dual-mode dp and hdmi transmission device and its use

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Embodiment Construction

[0021] The benefits, features and advantages of the present invention will become better understood with reference to the following description and drawings.

[0022] The following examples illustrate to enable those of ordinary skill in the art to make and use the present disclosure. Modifications to the preferred embodiment will be readily apparent to those skilled in the art, and the general principles described herein may be applied to other embodiments. Therefore, the present invention is not limited to the specific embodiments shown and described herein, but is to be given the widest scope consistent with the principles and novel features disclosed herein.

[0023] The present invention discloses a dual-mode DP and HDMI transmission device and method. The dual-mode DP and HDMI transmission device is integrated in the integrated circuit of the graphic processing chip. The dual-mode DP and HDMI transmission device can perform DP mode or HDMI mode transmission according t...

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Abstract

The invention provides a computer, a dual-mode DP and HDMI transmission device and its use. The dual-mode DP and HDMI transmission device includes a driver circuit and a control circuit. The driver circuit is controlled by a data signal, and the control circuit is coupled to on the drive circuit. The control circuit transmits the data signal in DP mode or HDMI mode according to a mode signal. Theuse of the dual-mode DP and HDMI transmission device includes receiving a mode signal; according to the mode signal, determining whether to configure the dual-mode DP and HDMI transmission device to transmit the data in DP mode or HDMI mode; and configuring the dual-mode DP and HDMI transmission device based on the determined mode. The present invention can reduce the hardware space required in the calculating device and saves the corresponding cost.

Description

technical field [0001] The present invention relates to data transmission, in particular to a dual-mode transmission device and method for transmitting data according to the Display Port (DP) standard or the High Definition Multimedia Interface (HDMI) standard. Background technique [0002] Both audio and video signals can be transmitted from the host computer to the display through cables. E.g, figure 1 It is a front view of the personal computer 100 including a cable 130 coupled to the computer host 110 and a display 120 (such as a liquid crystal display (LCD) or a plasma screen (plasma screen)). Various standards (such as DP standard or HDMI standard) are applied to audio and video data transmission from a computer host to a display. According to the DP standard, the transmission protocol is based on micro packets and can be extended to additional features in the future, while the HDMI transmission protocol is a continuous data stream at ten times the pixel clock freque...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/00
CPCG09G2370/10G09G2370/12G09G5/006
Inventor 李永胜邢恩皓
Owner VIA TECH INC
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