The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2003
Filed:
Aug. 16, 2000
Applicant:
Inventor:
David Christian Hovde, Cincinnati, OH (US);
Assignee:
Southwest Sciences Incorporated, Santa Fe, NM (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 3/42 ;
U.S. Cl.
CPC ...
G01J 3/42 ;
Abstract
A spectrographic apparatus and method comprising providing a spectrometer, digitizing a sample spectrum in a spectral range that includes at least one feature of an analyte, and comparing, via a linear least squares computation, the sample spectrum to a spectrum known to closely approximate the sample spectrum at a reference condition and to one or more derivatives of the known spectrum taken with respect to one or more parameters of the reference condition.