G - Physics – 01 – N
Patent
G - Physics
01
N
324/25.5
G01N 27/26 (2006.01) G01N 27/49 (2006.01) G01N 30/78 (2006.01) G01N 33/00 (2006.01) G01N 30/88 (2006.01)
Patent
CA 1237771
ABSTRACT A portable instrument for use in the field in detecting and identifying a hazardous component in air or other gas including an array of small sensors which upon exposure to the gas form a pattern of electrical responses, a source standard response patterns characteristic of various components, and microprocessor means for comparing the sensor-formed response pattern with one or more standard patterns to thereby identify the component on a display. The number of responses may be increased beyond the number of sensors by changing the operating voltage, temperature or other condition associated with one or more sensors to provide a plurality of responses from each of one or more of the sensors. In one embodiment, the instrument is capable of identifying anyone of over 50-100 hazardous components.
474463
Penrose William R.
Stetter Joseph R.
Zaromb Solomon
Arch Development Corporation
Meredith & Finlayson
LandOfFree
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