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Emergency broadcast terminal device and information safety certificate method thereof

A technology of emergency broadcasting and terminal equipment, which is applied in the direction of specific broadcasting applications, electrical components, transmission systems, etc., and can solve the problems of emergency broadcasting being easily misbroadcasted, panicked or misled, and achieves strong practicability, high safety, and safe solution The effect of sexual problems

Active Publication Date: 2015-03-04
SICHUAN JIUZHOU ELECTRONICS TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention overcomes the deficiencies of the prior art, and provides an emergency broadcast terminal device and its information security authentication method, which is used to solve the technical problem that emergency broadcasts are easily misbroadcasted or exploited to cause unnecessary panic or misleading

Method used

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  • Emergency broadcast terminal device and information safety certificate method thereof
  • Emergency broadcast terminal device and information safety certificate method thereof
  • Emergency broadcast terminal device and information safety certificate method thereof

Examples

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Embodiment Construction

[0035]

[0036] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0037] Such as figure 1 as shown, figure 1 It is a block diagram of an emergency broadcast terminal device with control command information security certification, an emergency broadcast terminal device with information security certification in this embodiment, the whole system consists of a GPRS module, a decoding main chip, a network controller, a FM radio FM receiving unit, It is composed of DVB-C signal receiving unit, command control module, audio output and power amplifier module, etc. The FM broadcast FM receiving unit completes the reception of control commands and FM emergency broadcast data; the DVB-C signal receiving unit can receive the emergency broadcast RF signal conforming to the DVB-C standard, and convert it into an intermediate frequency signal and output it to the decoding ma...

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Abstract

The invention discloses an emergency broadcast terminal device and an information safety certificate method thereof, the emergency broadcast terminal device including a GPRS module, a decoding main chip, a network controller, a frequency modulation broadcast receiving unit, a DVB-C signal receiving unit, a command control module, an audio output and power amplification module, has the function of information safety certificate, and can receive and analyze a remote encryption control command; the decoding main chip sends a control command to a command authentication module send and control end by a serial port, the command authentication module returns a decrypted control command after completing the analysis operation of an encrypted command, and the decoding main chip controls the working conditions of the emergency broadcast terminal according to the returned control command. The emergency broadcast terminal device and the information safety certificate method thereof overcome the safety problem of the control command of the emergency broadcast system, and has the characteristics of high safety and strong practicability.

Description

technical field [0001] The invention relates to the technical field of emergency broadcasting, in particular to an emergency broadcasting terminal device with control command information security authentication and an information security authentication method thereof. Background technique [0002] Emergency broadcasting is an important part of the construction of the national emergency response system for public emergencies and the construction of disaster prevention and mitigation systems. It is an authoritative channel and an important means for the government to release emergency information in response to emergencies, and it is an important content of basic public services in urban and rural areas. The safe broadcast of emergency broadcast information is a top priority concerning national security and social stability. Once the emergency broadcast is misbroadcast or exploited, it may cause unnecessary panic or misleading. The existing broadcast system only encrypts the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04H20/59
CPCH04H20/59H04L63/0428
Inventor 张强吴凯杨军李玮琪
Owner SICHUAN JIUZHOU ELECTRONICS TECH
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