摘要: |
介绍一种采用DTMF(Dual-Tone Multifreqency)信号方式通信的安全报警系统。分析了区域联用报警系统通信原理,并给出了主要电路和软件的设计方法。 |
关键词: 报警系统 DTMF方式 电话网 |
DOI:10.3969/j.issn.1001-893X. |
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基金项目: |
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Safety Alert System By DTMF Communication mode |
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Abstract: |
A safety alert system by DTMF(Dual-tone multifrequency)mode is introduced.The data communication principle for the alert network is analysised and the design method of mahor circuit and software are provided. |
Key words: Alert System,Dual-tone multifrequency,Monolithic computer |