Tian-fu YUAN
Shanghai University of Engineering Science , shanghai 201620, China
Abstract—This paper elaborates the design and development of the intelligent security system based on the public switch telephone network. The system includes two parts: security detection emission, and radio reception and signal process connected to the phone line with the telephone set at home or in the office. The core of radio reception and signal process is Micro Control Unit, which, in coordination with other peripheral circuits such as telephone line interface, signaling tone detection, dual tone multi-frequency (DTMF) reception and emission, and voice notification, informs the subscriber of the alarm via voice through Public Switch Telephone Network (PSTN). In addition, the subscriber can easily modify telephone numbers stored in the system.
Keywords—intelligent control； environment monitor； security monitor
Manuscript Number: 1674-8042(2010)supp.-0011-04
dio: 10.3969/j.issn1674-8042.2010.supp..03
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