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Class Information
Number: 356/304
Name: Optics: measuring and testing > By dispersed light spectroscopy > For spectrographic (i.e., photographic) investigation > With sectored disc
Description: Subject matter which includes a stepped or sectored opening therein to provide a light masking structure interposed between the light to be examined and the entrance slit of the spectrograph.

Patents under this class:

Patent Number Title Of Patent Date Issued
8657200 Indicia reading terminal with color frame processing Feb. 25, 2014
8528823 Indicia reading terminal with color frame processing Sep. 10, 2013
8527226 Signal measurement apparatus and beam modulation apparatus used therein Sep. 3, 2013
8269965 Method of analysis of samples by determination of a function of specific brightness Sep. 18, 2012
7643158 Method for synchronizing the operation of multiple devices for generating three dimensional surface models of moving objects Jan. 5, 2010
7533000 Method and apparatus for analysing a dataset of spectra May. 12, 2009
4604632 Recorder transport for perforating and cutting operations Aug. 5, 1986

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