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| 智能电话报警系统设计 |
| The Design of Intelligent Telephone Alarm System |
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| DOI：10.3969/j.issn.1671-5322.2006.03.006 |
| 中文关键词: 单片机 DTMF 自动拨号 语音报警 |
| 英文关键词: Single-Chip computer Dual Tone Multi-Frequency Auto-dial Speech-alarm |
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| 中文摘要: |
| 设计了一种利用公共通信网作媒介的电话自动报警器.该设计分为硬件和软件两大部分.硬件部分以单片机AT89C51为控制核心,包括自动拨号、检测、报警和放音等电路.软件部分通过汇编语言编程控制单片机AT89C51的P0,P1,P2,P3口的高低电位达到报警的目的.该智能报警器具有操作方便,性能可靠等优点,是一种适合仓库及住家环境的安全防范设施. |
| 英文摘要: |
| A telephone alarm device is designed with the Public Switched Telephone Network as a medium.The design is divided into two parts: hardware and software.The hardware is made up of automatic dialing,testing,alarming and playing,which is controlled by AT89C51 single chip microcomputer.The software controls the function of alarm by applying assembly language to program and then controls P0,P1,P2,P3 interface of AT89C51.It has advantages of simple manipulation and good dependability is fit for barn and home for the sake of safety. |
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