Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1996-05-28
1998-03-31
Mullen, Thomas
Communications: electrical
Condition responsive indicating system
Specific condition
128917, G08B 2100
Patent
active
057343233
ABSTRACT:
A method and apparatus for continuous real-time monitoring of the integrity of protective barrier materials, particularly protective barriers against toxic, radioactive and biologically hazardous materials has been developed. Conductivity, resistivity or capacitance between conductive layers in the multilayer protective materials is measured by using leads connected to electrically conductive layers in the protective barrier material. The measured conductivity, resistivity or capacitance significantly changes upon a physical breach of the protective barrier material.
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Hermes Robert E.
Macdonald John M.
Ramsey David R.
Stampfer Joseph F.
Bennett Gemma Morrison
Eklund William A.
Mullen Thomas
The Regents of the University of California
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