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Data transmission method, display device and control device

A data transmission method and technology for a display device, applied in the fields of display devices, control devices, and data transmission methods, can solve the problems of control devices and display devices not being able to transmit custom data via HDMI cables, inconvenient hardware costs, etc.

Active Publication Date: 2022-06-24
宏晶微电子科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For this reason, the present invention provides a data transmission method to solve the problem of inconvenient and high hardware costs in the prior art due to the inability to transmit custom data based on the HDMI cable between the control device and the display device

Method used

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  • Data transmission method, display device and control device
  • Data transmission method, display device and control device
  • Data transmission method, display device and control device

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Embodiment Construction

[0046] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0047] It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence; Also, the embodiments of the present invention and the features of the embodiments may be arbitrarily combined with each other without conflict.

[0048] As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0049]The terminology used in the present invention is used to describe specific embodiments only, and is not intended to limit the present in...

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PUM

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Abstract

The invention discloses a data transmission method, display equipment and control equipment, the method is applied to a high-definition multimedia interface (HDMI) receiving device in the display equipment, and the method comprises the following steps: receiving a user-defined data packet transmitted by an HDMI transmitting device of the control equipment based on a target communication protocol, the target communication protocol is a communication protocol used for transmitting custom data except for the HDMI protocol, and the HDMI receiving device and the HDMI transmitting device are connected based on an HDMI connecting line; and decoding the custom data packet based on the target communication protocol to obtain custom data in the custom data packet. According to the method, the user-defined data can be conveniently transmitted between the display equipment and the control equipment on the basis of not additionally adding hardware.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a data transmission method, a display device and a control device. Background technique [0002] Source / Sink (source / sink) is defined in the existing High Definition Multimedia Interface (HDMI, High Definition Multimedia Interface) protocol, that is, some ways of information exchange between the data sending device and the data receiving device. Interaction of Extended Display Identification Data (EDID, Extended Display Identification Data) information and High Bandwidth Digital Content Protection (HDCP, High Bandwidth Digital Content Protection) authentication information through the Display Data Channel (DDC, Display Data Channel) in HDMI , State and Control Data Channel (SCDC, State and Control Data Channel) information interaction, CEC information interaction through the Consumer Electronics Control (CEC, Consumer Electronics Control) channel, and through Min...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L69/00H04L67/01H04N7/015
CPCH04L69/03H04L69/26H04N7/015
Inventor 杨新约刘伟
Owner 宏晶微电子科技股份有限公司