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Vehicle-mounted infotainment system, vehicle and communication method of vehicle-mounted infotainment system

An entertainment system and vehicle information technology, applied in the direction of image communication, selective content distribution, electrical components, etc., can solve the problem of high transmission delay, increase the cost and structural complexity of the vehicle infotainment system, and increase the wiring harness of the vehicle infotainment system Quantity and other issues to achieve the effect of reducing the number of wiring harnesses, meeting display requirements, and simplifying the structure

Inactive Publication Date: 2020-08-11
BAIC MOTOR CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In related technologies, in order to meet the above-mentioned requirements, in-vehicle infotainment systems generally adopt a linear transmission structure, which requires the output unit to have multiple physical video output channels, and a dedicated video codec unit and transmission cable must be added for each output. Increase the number of wiring harnesses for the on-board infotainment system, increase the cost and structure complexity of the on-board infotainment system, and the transmission delay is high

Method used

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  • Vehicle-mounted infotainment system, vehicle and communication method of vehicle-mounted infotainment system

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Embodiment Construction

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0030] The vehicle infotainment system, the vehicle and the communication method of the vehicle infotainment system according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0031] figure 1 is a schematic block diagram of an in-vehicle infotainment system according to an embodiment of the present invention. Such as figure 1 As shown, the vehicle infotainment system includes: at least one display unit 1 and a host 2 .

[0032] Among them, the host 2 and the disp...

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Abstract

The invention provides a vehicle-mounted infotainment system, a vehicle and a communication method of the vehicle-mounted infotainment system. The system comprises at least one display unit; a host, wherein the host and the display unit are sequentially connected through a daisy chain topological structure, and the host is used for transmitting at least one path of video data to the display unit connected with the host through the daisy chain topological structure; and the display unit is used for acquiring the video data belonging to the unit according to the transmission routing protocol after receiving the video data, displaying the video according to the video data belonging to the unit, and transmitting the video data to the next display unit. Therefore, the system adopts a daisy chain topological structure; only one transmission cable and one video physical channel are needed to realize respective display of multiple paths of different videos on different display units, so the display requirements of different display units are met, the transmission delay of the system is reduced, the number of wiring harnesses of the system is reduced, the system cost is reduced, and the system structure is simplified.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a vehicle infotainment system, a vehicle and a communication method of the vehicle infotainment system. Background technique [0002] With the development of intelligent network technology of the Internet of Vehicles, the number of display units in the car and the trend of increasing the size of the display screen are becoming more and more obvious, and the demand for video interaction (transmission) between multiple systems in the car is also increasing. For example, the video data of the in-vehicle infotainment system needs to be synchronously transmitted to the in-vehicle display units such as digital instrumentation, HUD (Head Up Display), rear seat entertainment display system (RSE), and some of the in-vehicle infotainment system units The video content is transmitted to the corresponding display unit in the car according to different display requirements. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/414H04N21/472H04N21/43
CPCH04N21/41422H04N21/472H04N21/4307
Inventor 张小全
Owner BAIC MOTOR CORP LTD
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