Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Chemical analysis
Reexamination Certificate
2011-03-29
2011-03-29
Schechter, Andrew (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Chemical analysis
C454S075000, C454S239000
Reexamination Certificate
active
07917309
ABSTRACT:
An apparatus and method for detection of airborne contaminants and prevention of influx of the contaminants into an enclosed space, such as a vehicle cabin. A first sensor array samples exterior air prior to influx of the exterior air into the enclosed space. The first sensor array generates data uniquely corresponding to each contaminant. Data corresponding to predetermined contaminants is stored in computer memory. A user may also cause data corresponding to a contaminant selected by the user to be stored in the computer memory. Upon identification of a contaminant, an actuator is operative to control a position of a valve to prevent influx of the exterior air into the enclosed space.
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International Business Machines - Corporation
Li Wenjie
O'Malley Mary C
Schechter Andrew
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