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Class Information
Number: 356/928
Name: Optics: measuring and testing > Investigating or analyzing materials by the use of optical means, i.e., using infra-red, visible, or ultra-violet light (go1n 21/00)

Sub-classes under this class:

Class Number Class Name Patents
356/929 Arrangements, or apparatus for facilitating the optical investigation (go1n 21/01) 4
356/953 Probe photometers (go1n 21/85b) 2
356/954 Scan or image signal processing arrangements specially adapted for investigating the presence of flaws or contaminates, e.g., for scan signal adjustments, for detecting different kinds of defects, for compensating for structures (go1n 21/88) 0
356/931 Systems in which incident light is modified in accordance with the properties of material investigated (go1n 21/17) 4
356/948 Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light (go1n 21/62) 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8467053 Identification of body fluids using raman spectroscopy Jun. 18, 2013
8289575 Method and printing technology machine for conversion of color measured values measured without a filter into color measured values measured with a filter and vice versa Oct. 16, 2012
8085434 Printer characterization for UV encryption applications Dec. 27, 2011
7805028 Optical sensor and method employing half-core hollow optical waveguide Sep. 28, 2010
7794395 Apparatus for searching for and detecting defects in parts by endoscopy Sep. 14, 2010
7757737 Film pasting device Jul. 20, 2010
7654959 Motion artifact reduction in coherent image formation Feb. 2, 2010
7651464 Apparatus for searching for and detecting defects in parts by endoscopy Jan. 26, 2010
6893814 Influenza sensor May. 17, 2005
6627396 Influenza sensor Sep. 30, 2003
6602716 Method and device for referencing fluorescence intensity signals Aug. 5, 2003
6576430 Detection of ligands by refractive surface methods Jun. 10, 2003
6352502 Methods for obtaining enhanced spectroscopic information from living tissue, noninvasive assessment of skin condition and detection of skin abnormalities Mar. 5, 2002
6324900 Method and a device for optically measuring the transparency of a liquid Dec. 4, 2001

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