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Evolution-data optimized (EVDO)-based onboard information system

A vehicle-mounted information system and communication module technology, which is applied in the traffic control system of road vehicles, traffic control systems, closed-circuit television systems, etc., can solve the problems of no positioning information and the inability to accurately obtain bus location information, etc., and achieve cost low effect

Inactive Publication Date: 2012-07-11
SHANGHAI YAO WEI GROUP IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing vehicle-mounted videos generally do not have vehicle information such as positioning information, so it is impossible to accurately obtain vehicle information such as the location information of the bus when the video was shot

Method used

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  • Evolution-data optimized (EVDO)-based onboard information system
  • Evolution-data optimized (EVDO)-based onboard information system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] Such as figure 1 As shown, a vehicle information system based on EVDO includes audio and video acquisition module 1, GPS module 2, driving recorder 3, alarm module 4, video superimposer 5, video compression module 6, video storage module 7, EVDO communication module 8, EVDO communication network 9, server 10, described video overlay device 5 is respectively connected with audio-video acquisition module 1, GPS module 2, driving recorder 3, alarm module 4, video overlay device 5, video compression module 6, video The storage module 7 is connected, the video storage module 7 is connected with the EVDO communication module 8, and the EVDO communication module 8 is connected with the server 10 through the EVDO communication network 9. The GPS module 2 includes a GPS chip and a GPS antenna, and the GPS chip is connected with the GPS antenna. The audio and video acquisition module 1 includes a video acquisition sub-module and an audio acquisition sub-module.

[0015] It is a...

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PUM

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Abstract

The invention relates to an evolution-data optimized (EVDO)-based onboard information system, which comprises an audio and video acquisition module, a global positioning system (GPS) module, an automobile data recorder, an alarming module, a video superimposing device, a video compression module, a video storage module, an EVDO communication module, an EVDO communication network and a server, wherein the video superimposing device is connected with the audio and video acquisition module, the GPS module, the automobile data recorder and the alarming module respectively; the video superimposing device, the video compression module and the video storage module are connected; the video storage module is connected with the EVDO communication module; and the EVDO communication module is connected with the server through the EVDO communication network. Compared with the prior art, the system has the advantages of multifunction, low cost and the like.

Description

technical field [0001] The invention relates to a vehicle information system, in particular to an EVDO-based vehicle information system. Background technique [0002] The use of the vehicle information system reduces the traffic accident rate by 37%-52%, greatly reducing casualties and property losses. With the development of microelectronics technology, computer technology, and 3G network technology, the on-board information system is bound to be combined with other electronic systems of the car (such as GPS positioning, communication, alarm, temperature measurement, fault diagnosis, etc.) , systematization, data wireless transmission and data integration processing, and finally make it an indispensable comprehensive device for record processing, display and data transmission to ensure the safety of modern road transportation and efficient logistics dynamic operation management. [0003] Video compression technology is a technology that compresses video data according to t...

Claims

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Application Information

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IPC IPC(8): H04N7/18H04N5/265G07C5/08G08G1/123
Inventor 姚薇
Owner SHANGHAI YAO WEI GROUP IND
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