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dc.contributor.authorMuijlwijk, Lawrence
dc.contributor.authorScott, Jonathan B.
dc.coverage.spatialConference held at Prague, Czech Republicen_NZ
dc.date.accessioned2009-11-01T22:11:01Z
dc.date.available2009-11-01T22:11:01Z
dc.date.issued2008
dc.identifier.citationMuijlwijk, L. & Scott, J. B. (2008). Acoustic tamper detection sensor with very low false alarm rate. In Proceedings of the 42nd Annual IEEE International Carnahan Conference on Security Technology. Institute of Electrical and Electronics Engineers, Prague, Czech Republic; 13-16 October, 2008 (pp. 94-97). Washington, DC, USA: IEEE.en
dc.identifier.urihttps://hdl.handle.net/10289/3337
dc.description.abstractWe describe a device designed to detect interference (vandalism or tampering) by acoustic means. The design employs both a piezoelectric vibration transducer and a common microphone in a novel mechanical arrangement. In contrast to conventional acoustic sensors that simply respond to vibrations above a threshold, this design analyses the outputs of the two to trigger an alarm. The method confers a near-zero susceptibility to triggering by external loud noises. No complex calculations are required so that only a low-cost, embedded microcontroller is required and the whole sensor can be very cheap. Extreme sensitivity can be achieved with little risk of false alarms.en
dc.format.mimetypeapplication/pdf
dc.language.isoen
dc.publisherIEEEen
dc.relation.urihttp://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4751283en
dc.rights©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en
dc.subjectfalse alarmsen
dc.subjectacoustic meansen
dc.subjecttamper detection sensoren
dc.titleAcoustic tamper detection sensor with very low false alarm rateen
dc.typeJournal Articleen
dc.identifier.doi10.1109/CCST.2008.4751283en
dc.relation.isPartOfProceedings of the 42nd Annual IEEE International Carnahan Conference on Security Technologyen_NZ
pubs.begin-page94en_NZ
pubs.elements-id18067
pubs.end-page97en_NZ
pubs.finish-date2008-10-16en_NZ
pubs.start-date2008-10-13en_NZ


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