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An output interface circuit and device

A technology of output interface circuit and output terminal, which is applied in the field of signal transmission, can solve the problems of different driving capabilities, the output interface circuit cannot support DC coupling mode and AC coupling mode at the same time, and the output interface circuit has poor compatibility, so as to improve compatibility Effect

Active Publication Date: 2021-04-13
上海顺久电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current signal transmission system, the drive capability of the output interface circuit using the DC coupling mode is different from that of the output interface circuit using the AC coupling mode, so that the output interface circuit cannot support the DC coupling mode and the AC coupling mode at the same time, which causes the output Poor compatibility of interface circuits

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  • An output interface circuit and device
  • An output interface circuit and device
  • An output interface circuit and device

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Embodiment Construction

[0047]In order to make the objects, technical solutions, and advantages of the present invention, specific embodiments of the output interface circuit and apparatus provided by the embodiment of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described below are intended to illustrate and explain the invention and are not intended to limit the invention. And in the case of an unable conflict, the features of the present application and the features in the embodiments may be combined with each other. It should be noted that each of the drawings and shapes of the drawings do not reflect the true ratio of the output interface circuit, and the purpose is to illustrate the contents of the present invention. And from the beginning, the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions.

[0048]Such asfigure 1 As sho...

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Abstract

The invention discloses an output interface circuit and device. Through the mutual cooperation of the input unit, each parallel-to-serial conversion unit, the impedance matching unit and each output unit, the output interface circuit can process the video data received by the input unit to obtain a DC coupling The video data signal transmitted in the mode is output through the video data output terminal. And through the mutual cooperation of the input unit, each parallel-to-serial conversion unit, impedance matching unit and each output unit, the output interface circuit can process the video data received by the input unit to obtain the video data signal transmitted in the AC coupling mode, and pass the video data Output output. Therefore, the output interface circuit can not only support the DC coupling mode, but also support the AC coupling mode, thereby improving the compatibility of the output interface circuit.

Description

Technical field[0001]The present invention relates to the field of signal transmission, and more particularly to an output interface circuit and device.Background technique[0002]In the field of data transmission, LVDS (Low Voltage DiffERENTIAL SIGNALING, Low Voltage Differential Signal), Mini_LVDS, RSDS (Reduced Swing DiffERNAL, HIGH Definition MultiMedia Interface, High Definition Multimedia Interface) The data transfer mode usually transmits signals with DC coupling mode. V-BY-One, DIP (DisplayPort) interface, EDP interfaces such as EDP interfaces typically use AC coupling mode transmission signals. However, in the current signal transmission system, the output interface circuit with DC coupling mode is different from the driving ability of the output interface circuit of the AC coupling mode, resulting in the output interface circuit to simultaneously support DC coupling mode and AC coupling mode, which causes output The interface circuit is in poor compatibility.Inventive conten...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/765G09G5/00G09G3/20
CPCG09G3/2096G09G5/006H04N5/765
Inventor 荣荧陈锡明
Owner 上海顺久电子科技有限公司