Door alarm, doorway and use of the alarm

作者： Chetwynd-Talbot Michael Gilber

DOI:

关键词: Computer security 、 Computer science 、 ALARM

摘要:

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参考文章(9)

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Randall H. LeFever, Intrusion alarm safety ,(1979)

Marode Klaus, Security alarm system for doors and windows - has normally open signal contacts and two independent alarm activation switches ,(1990)

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