Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1995-09-01
1997-10-07
Mullen, Thomas
Communications: electrical
Condition responsive indicating system
Specific condition
36472807, G08B 1300
Patent
active
056753209
ABSTRACT:
The glass break detector uses sampling techniques and statistical analysis of the acoustic signal to determine whether a random type signal typical of a glass break event has been detected. A host of experiments are analysed and the collective results investigated to minimize the effect of one time non-typical occurrences in the signal. The statistical results are preferably used in combination with other techniques for identifying glass break events.
REFERENCES:
patent: 4952931 (1990-08-01), Serageldin et al.
patent: 5504473 (1996-04-01), Cecic et al.
patent: 5510765 (1996-04-01), Madau
patent: 5510767 (1996-04-01), Smith
Cecic Dennis
Fong Hartwell
Digital Security Controls Ltd.
Mullen Thomas
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