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Browse by Category: Main > Optical & Optics
Class Information
Number: 356/307
Name: Optics: measuring and testing > By dispersed light spectroscopy > With background radiation comparison
Description: Subject matter which includes means to detect and measure the intensity of at least one spectral line present in emitted radiation relative to the total emitted radiation present.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8658967 Optically pumping to sustain plasma Feb. 25, 2014
8582717 Concentration measuring method and fluorescent X-ray spectrometer Nov. 12, 2013
8487979 Signal spectra detection system Jul. 16, 2013
8482730 Signal noise reduction for imaging in biological analysis Jul. 9, 2013
8274650 Signal noise reduction for imaging in biological analysis Sep. 25, 2012
8269965 Method of analysis of samples by determination of a function of specific brightness Sep. 18, 2012
8184286 Atomic absorption spectrophotometer May. 22, 2012
8159661 Hyper-spectral imaging and analysis of a sample of matter, and preparing a test solution or suspension therefrom Apr. 17, 2012
8107072 Atomic absorption spectrophotometer Jan. 31, 2012
8082103 CO.sub.2 concentration correcting apparatus and CO.sub.2 concentration correcting method Dec. 20, 2011
7899650 Apparatus and method for detecting and identifying raman signatures Mar. 1, 2011
7859663 Polychrometer and method for correcting stray lights of the same Dec. 28, 2010
7826052 Correction method and measurement device for anti-stokes photoluminescence measurement Nov. 2, 2010
7760354 Spectroscopic method and apparatus for identification of a substance using a tunable light source Jul. 20, 2010
7715004 Signal noise reduction for imaging in biological analysis May. 11, 2010
7679059 Measuring water vapor in hydrocarbons Mar. 16, 2010
7623233 Optical analysis systems and methods for dynamic, high-speed detection and real-time multivariate optical computing Nov. 24, 2009
7557915 Automated acquisition of spectral data and image data Jul. 7, 2009
7554659 Hyperspectral visible absorption imaging of molecular probes and dyes in biomaterials Jun. 30, 2009
7533000 Method and apparatus for analysing a dataset of spectra May. 12, 2009
7471390 Spectrometer signal quality improvement via background subtraction Dec. 30, 2008
7436510 Method and apparatus for identifying a substance using a spectral library database Oct. 14, 2008
7408729 Enhanced data storage and retrieval devices and systems and methods for utilizing same Aug. 5, 2008
7405823 Signal noise reduction for imaging in biological analysis Jul. 29, 2008
7265824 Method and device for obtaining a low-noise optical signal Sep. 4, 2007
7239383 Method and apparatus for spectral modulation compensation Jul. 3, 2007
7233393 Signal noise reduction for imaging in biological analysis Jun. 19, 2007
7170596 Atomic absorption spectrophotometer with a background correcting function Jan. 30, 2007
6881760 Methods for monitoring solids content in Fischer-Tropsch products Apr. 19, 2005
6879395 Spectrum measuring instrument Apr. 12, 2005
6844199 Direct detection of bacteria-antibody complexes via UV resonance Raman spectroscopy Jan. 18, 2005
6801309 Detector array with scattered light correction Oct. 5, 2004
6717669 Self-calibrating spectrometers and auto-calibration methods Apr. 6, 2004
6683685 Atomic absorption photometer Jan. 27, 2004
6680473 Atomic beam control apparatus and method Jan. 20, 2004
6674527 Ratiometric background correction for fluorescence polarization assays Jan. 6, 2004
6643011 SNR calculation method and optical spectrum measurement apparatus Nov. 4, 2003
6608670 Laser verification and authentication raman spectrometer (LVARS) detecting the stokes and/or anti-stokes emission Aug. 19, 2003
6590647 Physical property determination using surface enhanced raman emissions Jul. 8, 2003
6519030 Flame photometer detector Feb. 11, 2003
6509968 Spectroscopic detection Jan. 21, 2003
6496618 Fiber-optic channel selecting apparatus Dec. 17, 2002
6480274 Method of analyzing oxygen and oxide in metallic material Nov. 12, 2002
6322555 Method and apparatus for monitoring laser surgery Nov. 27, 2001
6275285 Laser verification and authentication Raman spectrometer (LVARS) detecting the stokes and/or anti-stokes emission Aug. 14, 2001
6222626 Atomic absorption spectrometer Apr. 24, 2001
6180415 Plasmon resonant particles, methods and apparatus Jan. 30, 2001
6118529 Measurement of spectrometer background profile Sep. 12, 2000
H1844 Laser magneto-optic rotation spectrometer (LMORS) Mar. 7, 2000
6008895 Stoichiometric ratio measuring device Dec. 28, 1999

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