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Class Information
Number: 250/339.01
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > With selection of plural discrete wavelengths or bands
Description: Subject matter having means to isolate from an infrared beam two or more of its components having different wavelengths or ranges of wavelengths and to direct the components simultaneously or at different times to the responsive means and methods involving the use of such means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7460235 |
Two-detector gas filter correlation radiometry (GFCR) system using two-dimensional array detection of defocused image and detected-signal summation |
Dec. 2, 2008 |
| 7436499 |
Plastic packaging having a marker material |
Oct. 14, 2008 |
| 7425706 |
Gamma-ray laser; induced gamma emission system and method |
Sep. 16, 2008 |
| 7423756 |
Internally-calibrated, two-detector gas filter correlation radiometry (GFCR) system |
Sep. 9, 2008 |
| 7408159 |
Dual infrared band objective lens |
Aug. 5, 2008 |
| 7394355 |
Vehicle collision detector |
Jul. 1, 2008 |
| 7381966 |
Single-chip monolithic dual-band visible- or solar-blind photodetector |
Jun. 3, 2008 |
| 7372033 |
Multi-spectral filtering |
May. 13, 2008 |
| 7368716 |
Infrared imaging system and lens module for use with the same |
May. 6, 2008 |
| 7339741 |
Multi-color wide angle infrared optical systems and methods |
Mar. 4, 2008 |
| 7326932 |
Sensor and cap arrangement |
Feb. 5, 2008 |
| 7321425 |
Sensor and methods for measuring select components in sheetmaking systems |
Jan. 22, 2008 |
| 7317516 |
Near infrared chemical imaging microscope |
Jan. 8, 2008 |
| 7312453 |
Methods for determining corrosion products on substrates using infrared imaging |
Dec. 25, 2007 |
| 7288766 |
Infrared gas detector and method of the same |
Oct. 30, 2007 |
| 7283243 |
Semiconductor diode laser spectrometer arrangement and method |
Oct. 16, 2007 |
| 7268862 |
Near infrared chemical imaging microscope |
Sep. 11, 2007 |
| 7265364 |
Level sensor for lithographic apparatus |
Sep. 4, 2007 |
| 7256401 |
System and method for fire detection |
Aug. 14, 2007 |
| 7223977 |
Method of measuring thickness of an opaque coating using near-infrared absorbance |
May. 29, 2007 |
| 7217121 |
Method and apparatus for improved process control in combustion applications |
May. 15, 2007 |
| 7214939 |
Ultra low power NDIR carbon dioxide sensor fire detector |
May. 8, 2007 |
| 7186979 |
Passive NDIR carbon dioxide sensor fire detector |
Mar. 6, 2007 |
| 7176460 |
Passive NDIR gas sensor fire detector |
Feb. 13, 2007 |
| 7161150 |
Handheld isotope identification system |
Jan. 9, 2007 |
| 7098447 |
Light source for the illumination of microscopic specimens and scanning microscope system |
Aug. 29, 2006 |
| 7087901 |
High speed analyzer using near infrared radiation transmitted through thick samples of optically dense materials |
Aug. 8, 2006 |
| 7071469 |
Process for identifying objects using an optical spectrometer and a transport system |
Jul. 4, 2006 |
| 7033542 |
High throughput screening with parallel vibrational spectroscopy |
Apr. 25, 2006 |
| 7022992 |
Method and apparatus for real-time monitoring of furnace flue gases |
Apr. 4, 2006 |
| 7012255 |
Method of measuring the concentration of hydroperoxides of alkylaromatic hydrocarbons |
Mar. 14, 2006 |
| 6992293 |
Real-time infrared chemical imaging spectroscopic apparatus |
Jan. 31, 2006 |
| 6984825 |
Portable coating weight reader |
Jan. 10, 2006 |
| 6969856 |
Two band imaging system |
Nov. 29, 2005 |
| 6960768 |
Method for determining the durability of a composite structure |
Nov. 1, 2005 |
| 6958811 |
Method for the detection of dyes in fluorescence microscopy |
Oct. 25, 2005 |
| 6927393 |
Method of in situ monitoring of supercritical fluid process conditions |
Aug. 9, 2005 |
| 6917038 |
Method and apparatus for adjusting signal variation of an electronically controlled infrared transmissive window |
Jul. 12, 2005 |
| 6914246 |
Method and apparatus for spatially resolving flame temperatures using ultraviolet light emission |
Jul. 5, 2005 |
| 6909505 |
Method and apparatus for molten material analysis by laser induced breakdown spectroscopy |
Jun. 21, 2005 |
| 6906327 |
Method of measuring amount of chemical cure and amount of surface contamination using infrared absorbance |
Jun. 14, 2005 |
| 6903339 |
Method of measuring thickness of an opaque coating using infrared absorbance |
Jun. 7, 2005 |
| 6900893 |
Optical path structure for open path emissions sensing with particulate matter and lubricating oil consumption absorption methodology |
May. 31, 2005 |
| 6891613 |
Method for the detection of dyes in fluorescence microscopy |
May. 10, 2005 |
| 6888142 |
Micromirror with electrostatically controlled microshutter, matrix of micromirrors and infrared spectrophotometer comprising said matrix |
May. 3, 2005 |
| 6882409 |
Multi-spectral LADAR |
Apr. 19, 2005 |
| 6858852 |
Method and apparatus for rapid change of fluorescence bands in the detection of dyes in fluorescence microscopy |
Feb. 22, 2005 |
| 6844554 |
Method and arrangement for determining the concentration of a gas component in a gas mixture |
Jan. 18, 2005 |
| 6841778 |
Method and apparatus for measuring particulates in vehicle emissions |
Jan. 11, 2005 |
| 6828557 |
Radiation-detection devices |
Dec. 7, 2004 |
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