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Class Information
Number: 356/433
Name: Optics: measuring and testing > For light transmission or absorption > By comparison
Description: Subject matter wherein light is passed through a specimen to be tested and compared in intensity with some other light, whose intensity is known or may be determined.










Sub-classes under this class:

Class Number Class Name Patents
356/434 Photoelectric (e.g., sequential viewing) 191


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8669532 Evaluating a cleaning solution using UV absorbance Mar. 11, 2014
8665424 Optical absorption gas analyser Mar. 4, 2014
8649010 Integral transformed optical measurement method and apparatus Feb. 11, 2014
8638479 Enhanced scanner design Jan. 28, 2014
8582103 Bulbless spectrometer Nov. 12, 2013
8582104 Optical device for detection of an agent Nov. 12, 2013
8583217 In vivo drug concentration distribution measuring device, variable-wavelength filter used for the same, and in vivo drug concentration distribution measuring method Nov. 12, 2013
8547552 Method for detection of analyte in microarray of samples and apparatus for performing such method Oct. 1, 2013
8542362 Light absorbance measurement method and apparatus Sep. 24, 2013
8507282 Method for measuring physiologically active substance of biological origin, program for implementing the same, and apparatus for measuring physiologically active substance of biological origin Aug. 13, 2013
8467063 Method and apparatus for determining a focal position of an imaging device adapted to image a biologic sample Jun. 18, 2013
8444821 Measuring of web May. 21, 2013
8394329 Optical device for detection of agent Mar. 12, 2013
8379205 Optical arrangement for determining the concentration of a substance in a fluid Feb. 19, 2013
8358417 Spectrometer with validation cell Jan. 22, 2013
8355130 Method for evaluating white color shielding degree, method for manufacturing white ink, support apparatus for manufacturing white ink, and method for manufacturing white color printed material Jan. 15, 2013
8345249 Liquid sample analyzing method Jan. 1, 2013
8339615 Edge detection method for transparent substrate by detecting non-light-emitting region of transparent substrate Dec. 25, 2012
8334980 Integrated embedded processor based laser spectroscopic sensor Dec. 18, 2012
8309929 Tunable photonic cavities for in-situ spectroscopic trace gas detection Nov. 13, 2012
8289517 Method and device for measuring a photoacoustic signal with computer-assisted evaluation Oct. 16, 2012
8280484 System, devices, and methods for detecting occlusions in a biological subject Oct. 2, 2012
8259299 Gas scanning and analysis Sep. 4, 2012
8237926 Method and apparatus for measuring density Aug. 7, 2012
8233149 Biometric image pickup apparatus Jul. 31, 2012
8218146 System and method for detecting a target substance Jul. 10, 2012
8213012 Stability for optical computing system Jul. 3, 2012
8189197 Optical sensor for characterizing a substrate May. 29, 2012
8179532 Method and apparatus for monitoring the condition of a projector lamp May. 15, 2012
8153987 Automated calibration methodology for VUV metrology system Apr. 10, 2012
8147026 Image quality matching in a mixed print engine assembly system Apr. 3, 2012
8116854 Imaging tray with medium disposed therein for ratiometric determination of object shape Feb. 14, 2012
8098376 Integrated embedded processor based laser spectroscopic sensor Jan. 17, 2012
8085404 Gas analyzer and gas analyzing method Dec. 27, 2011
8045165 Method and apparatus for determining a focal position of an imaging device adapted to image a biologic sample Oct. 25, 2011
8040509 Light scattering detector Oct. 18, 2011
7995204 Detector/imager Aug. 9, 2011
7986411 Imaging of a turbid medium Jul. 26, 2011
7961326 Method of detecting the concentration of an analyte Jun. 14, 2011
7961325 Optical arrangement for determining the concentration of a substance in a fluid Jun. 14, 2011
7956994 Measurement apparatus for measuring transmittance distribution of optical system Jun. 7, 2011
7924413 Nanowire-based photonic devices Apr. 12, 2011
7903251 Representation of spatial-frequency data as a map Mar. 8, 2011
7880887 Apparatus and method for measuring the concentration of gases in a sterilization chamber Feb. 1, 2011
7855787 Method of determining the pretilt angle in a liquid-crystal cell Dec. 21, 2010
7850801 Layered film fabrication method, layered film defect detection method, layered film defect detection device, layered film, and image display device Dec. 14, 2010
7852481 Apparatus and method for measuring optical property Dec. 14, 2010
7813787 Dental implement and method for tooth surface inspection Oct. 12, 2010
7796240 Evaluation method and manufacturing method of light-emitting element material, manufacturing method of light-emitting element, and light-emitting device and electric appliance having light-emi Sep. 14, 2010
7760346 Method and apparatus for analyzing a dry-chemical test element Jul. 20, 2010

1 2 3 4










 
 
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