Measuring and testing – Gas analysis – Impurity
Reexamination Certificate
2011-08-16
2011-08-16
Rogers, David A. (Department: 2856)
Measuring and testing
Gas analysis
Impurity
C073S031010, C073S031020, C073S031050, C324S239000
Reexamination Certificate
active
07997119
ABSTRACT:
This invention describes a sample collection method that could release and collect residues of explosives and other chemicals from a surface; the described method is implemented into a compact detection system that can be used as a “wand” for screening chemicals residues on a subject. The wand configuration includes multi-function for sampling and detecting multiple threads. The invention further describes a method of inspecting a subject using an interrogating apparatus in a sweeping motion; the near range closed loop particle sampling arrangement allows effective collection of particle and vapor residues from a targeted surface. The invention also describes a sampling and detecting apparatus for on-the-fly threat detection using compact ion mobility based detectors.
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Excellims Corporation
Rogers David A.
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