ClassID:

168151

G01N2021/8663 - 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 specially adapted for particular applications; Investigating moving sheets Paper, e.g. gloss, moisture content

Sub-classes:
Recent Application in this class:
#1
20260063544
2026-03-05

Method for Simultaneously Determining Parameters of at Least One Resin Layer Applied to at Least One Carrier Material

#2
20250170832
2025-05-29

INK JET PRINTING SYSTEM

#3
20250102989
2025-03-27

DETERMINATION DEVICE AND IMAGE FORMING APPARATUS

#4
20240410834
2024-12-12

INFORMATION PROVIDING APPARATUS, INFORMATION PROVIDING METHOD, AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM

#5
20240044784
2024-02-08

MOISTURE DETECTING APPARATUS FOR RECORDING MATERIAL AND IMAGE FORMING APPARATUS

#6
20230145539
2023-05-11

Method for Simultaneously Determining Parameters of at Least One Resin Layer Applied to at Least One Carrier Material

#7
20230015962
2023-01-19

OPTICAL SENSOR AND SHEET RECOGNITION UNIT

#8
20220349817
2022-11-03

Moisture detecting apparatus for recording material and image forming apparatus

#9
20220317051
2022-10-06

Measurement apparatus and measurement method

#10
20220011093
2022-01-13

OPTICAL MEDIA SENSOR WITH BLOWER

#11
20210262926
2021-08-26

Moisture detecting apparatus for recording material and image forming apparatus

#12
20210116370
2021-04-22

Optical sensor, light detection apparatus, sheet processing apparatus, light detection method, and phosphorescence detection apparatus

#13
20210088500
2021-03-25

Measurement apparatus and method of paper web

#14
20210018444
2021-01-21

Light detection sensor, light detection device, sheet processing device, and light detection method

#15
20200387079
2020-12-10

Discriminating device and image forming apparatus

#16
20200371040
2020-11-26

STATIC FULL WIDTH MEASUREMENT SYSTEM

#17
20200363340
2020-11-19

Measurement device and measurement method for measuring a physical quantity of a sheet

#18
20200271575
2020-08-27

Moisture detecting apparatus for recording material and image forming apparatus

#19
20200175670
2020-06-04

Method and system for moisture grading wood products using superimposed near infrared and visual images

#20
20200173915
2020-06-04

Method and system for detecting moisture levels in wood products using near infrared imaging and machine learning

#21
20190369027
2019-12-05

Method and apparatus of measuring properties of a moving sheet

#22
20190302032
2019-10-03

Apparatus and method for tracking defects in sheet materials

#23
20190171152
2019-06-06

PAPER SENSOR DEVICE

#24
20190162672
2019-05-30

IMAGE FORMING APPARATUS AND DETERMINATION METHOD

#25
20190114864
2019-04-18

Apparatus and method for checking the authenticity of a security element

#26
20190049381
2019-02-14

Optical detection of fluorescent liquid from a wood fibre web

#27
20190049375
2019-02-14

Self-calibrating optical detector

#28
20190011353
2019-01-10

Measuring device

#29
20180292314
2018-10-11

Moisture detecting apparatus for recording material and image forming apparatus

#30
20180180557
2018-06-28

Sensor for non-destructive characterization of objects

#31
20170343482
2017-11-30

Inspection apparatus and inspection method for inspection of the surface appearance of a flat item that represents a test specimen

#32
20170343473
2017-11-30

Self-calibrating optical detector

#33
20170279977
2017-09-28

Optical scanning device, transport device, feature detection device, medium determination device, sorting device, and medium scanning method

#34
20170160192
2017-06-08

Optical multi-channel measurement unit, optical multi-channel detector unit and a measurement method for measuring a property of an object

#35
20170066262
2017-03-09

Inkjet recording apparatus

#36
20170023469
2017-01-26

System for determining at least one property of a sheet dielectric sample using terahertz radiation

#37
20170003266
2017-01-05

Optical sensor, and devices incorporating the same

#38
20160238529
2016-08-18

Fluorescence and phosphorescence detection device, fluorescence and phosphorescence detection method, and paper-sheet processing device

#39
20160231252
2016-08-11

Apparatus and method for tracking defects in sheet materials

#40
20160154356
2016-06-02

Optical sensor, and devices incorporating the same

#41
20160084819
2016-03-24

Method and arrangement for detecting free fibre ends in paper

#42
20160025642
2016-01-28

Method and apparatus for automatic measurement of various qualities of printed sheets

#43
20150192516
2015-07-09

Method and apparatus for automatic measurement of various qualities of printed sheets

#44
20150177155
2015-06-25

Optimized spatial resolution for a spectroscopic sensor

#45
20150153273
2015-06-04

Moisture measurement

#46
20150151938
2015-06-04

Sheet discriminator, image forming apparatus incorporating same, and image forming system incorporating same to distinguish sheet types

#47
20150110382
2015-04-23

Image sensor unit, image reading apparatus, and paper sheet distinguishing apparatus

#48
20150090885
2015-04-02

Material property measuring apparatus

#49
20150008346
2015-01-08

MEASUREMENT OF OBJECT TO BE MEASURED

#50
20140345376
2014-11-27

Power delivery system for providing power to sensor head of paper machine or other system

#51
20140130568
2014-05-15

Checking unit and method for calibrating a checking unit

#52
20130329037
2013-12-12

Noncontact caliper measurements of sheet products using intersecting lines in sheet manufacturing or processing systems

#53
20130148107
2013-06-13

MULTI-SOURCE SENSOR FOR ONLINE CHARACTERIZATION OF WEB PRODUCTS AND RELATED SYSTEM AND METHOD

#54
20120305775
2012-12-06

Diffusing measurement window for near and mid IR multichannel sensor

#55
20120281427
2012-11-08

Collimated illumination using light pipes

#56
20120209536
2012-08-16

Increased absorption-measurement accuracy through windowing of photon-transit times to account for scattering in continuous webs and powders

#57
20120153149
2012-06-21

Single-sided infrared sensor for thickness or weight measurement of products containing a reflective layer

#58
20120068399
2012-03-22

Paper sheets inspection apparatus

#59
20120049070
2012-03-01

Continuous referencing for increasing measurement precision in time-domain spectroscopy

#60
20120019815
2012-01-26

Multichannel photometric measurement apparatus

#61
20110204232
2011-08-25

Determining the amount of starch

#62
20110132561
2011-06-09

METHOD AND DEVICE FOR DETECTING AT LEAST ONE VARIABLE AT LEAST INDIRECTLY CHARACTERIZING THE PROPERTIES OF A SURFACE IN A MATERIAL WEB TREATMENT DEVICE AND METHOD FOR OPTIMIZING THE OPERATING METHOD OF A MATERIAL WEB TREATMENT DEVICE

#63
20110068261
2011-03-24

Method and apparatus for on-line web property measurement

#64
20110007313
2011-01-13

Fiber optic sensor utilizing broadband sources

#65
20100319866
2010-12-23

Measuring of web

#66
20100066826
2010-03-18

OPTICAL METHOD AND MEASURING DEVICE FOR A WEB CONTAINING FIBERS

#67
20090242803
2009-10-01

Method and apparatus for measuring optical property of fluorescent sample

#68
20090099682
2009-04-16

Reduction of wire numbers in a paper scanner power track

#69
20090097033
2009-04-16

Microgloss measurement of paper and board

#70
20090027655
2009-01-29

System and method for measurement of degree of moisture stratification in a paper or board

#71
20080252909
2008-10-16

Image forming apparatus for forming image on record medium

#72
20080245979
2008-10-09

Gloss and differential gloss measuring system

#73
20070285664
2007-12-13

Device for controlling material

#74
20070153281
2007-07-05

Spectroscopic sensor for measuring sheet properties

#75
20070137823
2007-06-21

Combined paper sheet temperature and moisture sensor

#76
20070113748
2007-05-24

Printing press and device for the inline monitoring of printing quality in sheet-fed offset printing presses

#77
20070103674
2007-05-10

Pass-line and tilt insensitive sensor

#78
20070070351
2007-03-29

Optical measuring device and image forming apparatus

#79
20060243931
2006-11-02

Sensor and methods for measuring select components in moving sheet products

#80
20060209315
2006-09-21

Device and method for identifying image forming print medium

#81
20060181749
2006-08-17

Method and apparatus for quantifying visual showthrough of printed images on the reverse of planar objects

#82
20050249411
2005-11-10

Generation of frequency distribution for objects

#83
20050248762
2005-11-10

Measurement of an object from an image consisting of a pixel matrix

#84
20050052711
2005-03-10

Device for controlling material