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Browse by Category: Main > Optical & Optics
Class Information
Number: 356/434
Name: Optics: measuring and testing > For light transmission or absorption > By comparison > Photoelectric (e.g., sequential viewing)
Description: Subject matter including a photosensitive device which is responsive to the light passing through the specimen.










Sub-classes under this class:

Class Number Class Name Patents
356/435 With plural detectors (e.g., simultaneous viewing) 238


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8711342 Photoacoustic joulemeter utilizing beam deflection technique Apr. 29, 2014
8705036 Method and device for determining the static and/or dynamic scattering of light Apr. 22, 2014
8582103 Bulbless spectrometer Nov. 12, 2013
8537361 Testing method, device and system for shutter glasses Sep. 17, 2013
8430666 Low pressure heater control system Apr. 30, 2013
8384901 Method for the tomographic examination of microscopic objects and a scanning microscope for the implementation thereof Feb. 26, 2013
8379208 System and method for passive remote detection of gas plumes Feb. 19, 2013
8339606 Portal Dec. 25, 2012
8257982 Method and device for characterizing biological tissue Sep. 4, 2012
8227256 Two-color (two-photon) excitation with focused excitation beams and a raman shifter Jul. 24, 2012
8147026 Image quality matching in a mixed print engine assembly system Apr. 3, 2012
8076654 Sample surface inspection apparatus and method Dec. 13, 2011
8013998 Method and arrangement for recognition of optical radiation Sep. 6, 2011
7889344 Transmitted-light-intensity measuring device, medium identifying device, medium conveying device, and image forming apparatus Feb. 15, 2011
7850801 Layered film fabrication method, layered film defect detection method, layered film defect detection device, layered film, and image display device Dec. 14, 2010
7830519 Method and device for analyte measurement Nov. 9, 2010
7817275 Scanning optical microscope with long working distance objective Oct. 19, 2010
7718948 Monitoring light pulses May. 18, 2010
7642766 Method and device for measuring with synchronous detection and correlated sampling Jan. 5, 2010
7606449 Adaptive switch contamination compensation Oct. 20, 2009
7551285 Methods and apparatus for spectroscopic imaging of materials in an array Jun. 23, 2009
7479625 Sensing photons from object in channels Jan. 20, 2009
7422891 Label-free high-throughput optical technique for detecting biomolecular interactions Sep. 9, 2008
7400406 Microchip measurement device Jul. 15, 2008
7368694 Device for measuring light absorption characteristics of a biological tissue sample May. 6, 2008
7358476 Sensing photons from objects in channels Apr. 15, 2008
7291824 Photosensing throughout energy range and in subranges Nov. 6, 2007
7283245 Handheld device with a disposable element for chemical analysis of multiple analytes Oct. 16, 2007
7268874 Method of measuring properties of dispersed particles in a container and corresponding apparatus Sep. 11, 2007
6936476 Point of care diagnostic systems Aug. 30, 2005
6914680 Optical system for measurement of optical constant Jul. 5, 2005
6903822 Apparatus for and method of measuring fuel density in an engine Jun. 7, 2005
6879010 Ceramic biomolecule imaging chip Apr. 12, 2005
6768549 Ampoule analyzer apparatus Jul. 27, 2004
6754600 Device for evaluating internal quality of vegetable or fruit, method for warm-up operation of the device, and method for measuring internal quality Jun. 22, 2004
6734974 Terahertz imaging with dynamic aperture May. 11, 2004
6704107 Method and apparatus for automated, in situ material detection using filtered fluoresced, reflected, or absorbed light Mar. 9, 2004
6704110 Method and apparatus for measuring internal information of scattering medium Mar. 9, 2004
6678049 Optical detection system and method Jan. 13, 2004
6613441 Boron- and/or aluminum-containing mixtures, hybrid materials, and coatings Sep. 2, 2003
6603554 Apparatus and method to measure light attenuation through a window Aug. 5, 2003
6559466 Device and method for automatically adapting a light sensor to a windscreen May. 6, 2003
6501555 Optical technique to detect etch process termination Dec. 31, 2002
6437356 Method and apparatus for processing paper money Aug. 20, 2002
6329922 Fire detector and noise de-influence method Dec. 11, 2001
6061139 Nondestructive diagnostic method and nondestructive diagnostic apparatus May. 9, 2000
5923413 Universal bank note denominator and validator Jul. 13, 1999
5903346 Analysis system May. 11, 1999
5876674 Gas detection and measurement system Mar. 2, 1999
5846492 Sample quality measurement and/or analyte measurement in the dispensing tip of an analyzer Dec. 8, 1998

1 2 3 4










 
 
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