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A novel anti-theft alarm system based on detection of magnetic field

DENG Li-li(邓丽莉)1,2, SANG Sheng-bo(桑胜波) 1,2, ZHANG Wen-dong(张文栋)1,2

 


TANG Xiao-liang(唐晓亮)1,2, LI Peng-wei(李朋伟)1,2, HU Jie(胡杰)1,2, LI Gang(李刚)1,2(1. MircoNano System Research Center, Taiyuan University of Technology, Taiyuan 030024, China;2. Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China)

 

Abstract:  This paper proposes a novel bidirectional anti-theft alarm scheme through detecting the magnetic field. The theoretical background and analysis of the approach of anti-theft alarm are presented. The circuit of burglar alarm is designed, fabricated and tested, and C language program is implemented and debugged. Feasibility of the developed scheme is proved by the experiments.

 

Key words:anti-theft alarm; magnetic field; C language 

 

CLD number: TM937 Document code: A

 

Article ID: 1674-8042(2013)02-0175-05 doi: 10.3969/j.issn.1674-8042.2013.02.018

 

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