Intruder Detection Systems for Access Hatches
A wireless alarm system comprising a master unit 6 and multiple slave units 4 that uses the hatch itself as a radio frequency transmission medium for communication and is able to detect and verify attacks on the hatch by forced opening, drilling, cutting, grinding and introduction of liquid contamin...
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Main Author | |
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Format | Patent |
Language | English |
Published |
25.06.2009
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Subjects | |
Online Access | Get full text |
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Summary: | A wireless alarm system comprising a master unit 6 and multiple slave units 4 that uses the hatch itself as a radio frequency transmission medium for communication and is able to detect and verify attacks on the hatch by forced opening, drilling, cutting, grinding and introduction of liquid contaminant. |
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Bibliography: | Application Number: US20070962244 |