ClassID:

167918

G01N2021/4757 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Scattering, i.e. diffuse reflection; Diffuse reflection , e.g. also for testing fluids, fibrous materials; Details of optical heads therefor, e.g. using optical fibres; Geometry Geometry 0/45° or 45/0°

Recent Application in this class:
#1
20230251193
2023-08-10

Instruments and methods for characterizing the appearance of samples

#2
20220381687
2022-12-01

Method and apparatus for determining the quality of fresh concrete or the like

#3
20210208069
2021-07-08

UV-VIS spectroscopy instrument and methods for color appearance and difference measurement

#4
20190310193
2019-10-10

UV-VIS spectroscopy instrument and methods for color appearance and difference measurement

#5
20190162594
2019-05-30

Spectral reflectometer

#6
20190017933
2019-01-17

Sensor with remote focusing path for detecting remotely located reflective material

#7
20190011453
2019-01-10

Detection device and biological information measuring device

#8
20180220896
2018-08-09

Apparatus and method for providing mesoscopic spectroscopy co-registered with optical frequency domain imaging

#9
20170202466
2017-07-20

Optical vital signs sensor

#10
20170115209
2017-04-27

Method and apparatus to determine colour of egg yolk

#11
20170024895
2017-01-26

Optical characteristic measuring apparatus

#12
20160238450
2016-08-18

Portable colour sensor

#13
20150272442
2015-10-01

Apparatus and method for providing diffuse spectroscopy co-registered with optical frequency domain imaging

#14
20150241345
2015-08-27

Multi-point gas detector

#15
20120330164
2012-12-27

NONINVASIVE MEASUREMENT OF CAROTENOIDS IN BIOLOGICAL TISSUE

#16
20100208273
2010-08-19

Apparatus for observing the surface of a sample

#17
20090316149
2009-12-24

Spectrophotometer system with modular 45/0 head

#18
20090306521
2009-12-10

Noninvasive measurement of carotenoids in biological tissue

#19
20090027669
2009-01-29

PORTABLE DEVICE FOR THE QUALITY CONTROL OF PRODUCTS

#20
20080074670
2008-03-27

Grain angle sensor

#21
20070070351
2007-03-29

Optical measuring device and image forming apparatus

#22
20070058171
2007-03-15

Reflectance sensor for measuring liquid pigment preparations or solid pigmented surfaces

#23
20050104004
2005-05-19

Reflected ultraviolet light measuring device