ClassID:

166068

G01J3/427 - CPC Classification

Classification description:

Spectrometry; Spectrophotometry; Monochromators; Measuring colours; Investigating the spectrum; Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry Dual wavelengths spectrometry

Sub-classes:
Recent Application in this class:
#1
20260118177
2026-04-30

Raman Spectroscopy Device

#2
20250389584
2025-12-25

SPECTROSCOPIC ANALYSIS APPARATUS, SPECTROSCOPIC ANALYSIS METHOD, AND SPECTROSCOPIC ANALYSIS PROGRAM

#3
20250215795
2025-07-03

PRESSURE TUNED INFRARED LIGHT EMITTING DIODE FOR DOWNHOLE SPECTROSCOPY

#4
20250035487
2025-01-30

CHIRP MODULATION SIMULATED RAMAN SCATTERING MICROSCOPY

#5
20250003865
2025-01-02

METHOD AND APPARATUS FOR ENHANCED PHOTO-THERMAL IMAGING AND SPECTROSCOPY

#6
20240402014
2024-12-05

IN-SITU INFRA-RED ULTRA-VIOLET PHOTOMETER

#7
20240385106
2024-11-21

SYSTEMS AND METHODS FOR MODULATING SENSITIVITY OF A PHOTOMETER

#8
20240377412
2024-11-14

METHODS OF ASSESSING ANTIBODY-DRUG CONJUGATES

#9
20240175815
2024-05-30

APPARATUS FOR QUANTITATIVELY DETECTING ISOTOPOLOGUE OF CARBON DIOXIDE USING DUAL-PHOTON ABSORPTION AND SPECTROMETER

#10
20240068866
2024-02-29

LIGHT MEASURING DEVICE AND METHOD OF MANUFACTURING LIGHT MEASURING DEVICE

#11
20230236112
2023-07-27

Method and apparatus for enhanced photo-thermal imaging and spectroscopy

#12
20230030197
2023-02-02

PHOTODETECTOR AND BEATING SPECTROSCOPY DEVICE

#13
20230011975
2023-01-12

Method of determining an optical pathlength through a cuvette

#14
20220404626
2022-12-22

Augmented reality spectroscopy

#15
20220390358
2022-12-08

Systems and methods for modulating sensitivity of a photometer

#16
20220341783
2022-10-27

In-situ infra-red and ultra-violet photometer

#17
20220128405
2022-04-28

SPECTROPHOTOMETER

#18
20220102930
2022-03-31

Dual optical frequency comb light-emitting device

#19
20220065772
2022-03-03

Method and apparatus for enhanced photo-thermal imaging and spectroscopy

#20
20220026717
2022-01-27

Augmented reality spectroscopy

#21
20210310867
2021-10-07

Multiplexing and encoding for reference switching

#22
20210262857
2021-08-26

Fast computational phase and timing correction for multiheterodyne spectroscopy

#23
20210196155
2021-07-01

Method and apparatus for light-weight, non-invasive, point of care diabetes screening device

#24
20210172866
2021-06-10

METHODS OF ASSESSING ANTIBODY-DRUG CONJUGATES

#25
20210164912
2021-06-03

Method and system for real-time web manufacturing supervision

#26
20210102847
2021-04-08

Temperature measurement system and temperature measurement method

#27
20210096064
2021-04-01

Respiratory gas analyzer and a beam splitter therefor

#28
20210063243
2021-03-04

Dual-comb spectroscopy

#29
20210055212
2021-02-25

Optical gas sensor

#30
20210041294
2021-02-11

Method for compensation in a measuring system

#31
20210033460
2021-02-04

Sensor device

#32
20200363328
2020-11-19

Method for analysing a gas by means of double illumination

#33
20200182780
2020-06-11

Gas analysis system

#34
20200166760
2020-05-28

Augmented reality spectroscopy

#35
20200109988
2020-04-09

Fast computational phase and timing correction for multiheterodyne spectroscopy

#36
20200025677
2020-01-23

Method and apparatus for enhanced photo-thermal imaging and spectroscopy

#37
20190212261
2019-07-11

Broad range gas illumination and imaging

#38
20190200904
2019-07-04

Method and apparatus for light-weight, non-invasive, point of care diabetes screening device

#39
20190137337
2019-05-09

Multiplexing and encoding for reference switching

#40
20190079005
2019-03-14

Methods of assessing antibody-drug conjugates

#41
20190069476
2019-03-07

Crop growth measurement device

#42
20190056270
2019-02-21

System and method for interferometric based spectrometry and compact spectrometer using same

#43
20190041722
2019-02-07

Apparatus for analyzing a media, and associated egg identification apparatus and method

#44
20190025207
2019-01-24

NDIR glucose detection in liquids

#45
20180356290
2018-12-13

Infrared device

#46
20180340829
2018-11-29

Remote spectroscopy device with a composite laser source and associated remote spectroscopy method

#47
20180299327
2018-10-18

Sensor device for plants having a spectroscopy vegetation index and height of the target plant determination

#48
20180224334
2018-08-09

High accuracy absorbance spectrophotometers

#49
20180216996
2018-08-02

Dual-comb spectroscopy with a free-running bidirectionally mode-locked fiber laser

#50
20180120160
2018-05-03

Multispectral detection device

#51
20180116555
2018-05-03

Device for determining the concentration of at least one gas component in a breathing gas mixture

#52
20180081179
2018-03-22

Augmented reality spectroscopy

#53
20180059003
2018-03-01

Laser absorption spectroscopy system and method for discrimination of a first and a second gas

#54
20170336255
2017-11-23

Fiber-optic measurement system and methods based on ultra-short cavity length Fabry-Perot sensors and low resolution spectrum analysis

#55
20170248469
2017-08-31

Method for estimating a cardiac frequency and associated device

#56
20170205342
2017-07-20

Systems and methods for extended infrared spectroscopic ellipsometry

#57
20170205285
2017-07-20

Spectral and spatial calibration illuminator and system using the same

#58
20170102320
2017-04-13

Pulse width modulation of continuum sources for determination of chemical composition

#59
20160341659
2016-11-24

Spectrometer and gas analyzer

#60
20160313238
2016-10-27

Food-article analysis device

#61
20160290865
2016-10-06

Dual-band infrared detector and method of detecting multiple bands of infrared radiation

#62
20160265974
2016-09-15

GLASS WAVEGUIDE SPECTROPHOTOMETER

#63
20160231229
2016-08-11

Method and system for gas concentration measurement of gas dissolved in liquids

#64
20160178517
2016-06-23

Apparatus and method of gas analysis using laser light

#65
20160169740
2016-06-16

Optical spectroscopic measurement system

#66
20160138972
2016-05-19

Optical sensor device

#67
20160025562
2016-01-28

Fiber-optic measurement system and methods based on ultra-short cavity length Fabry-Perot sensors and low resolution spectrum analysis

#68
20150300944
2015-10-22

Pulse width modulation of continuum sources for determination of chemical composition

#69
20150226666
2015-08-13

Multiplexed spectroscopic absorbance from CRDS wave forms

#70
20150219906
2015-08-06

Device having an arrangement of optical elements

#71
20150211928
2015-07-30

Spectroscopic apparatus

#72
20150138533
2015-05-21

Optical absorption spectrometry system including dichroic beam combiner and splitter

#73
20140361171
2014-12-11

Two-channeled measurement apparatus

#74
20140077070
2014-03-20

Unit for determining the type of a dominating light source by means of two photodiodes

#75
20140070077
2014-03-13

Optical sensor device for detecting a pulse of a living body

#76
20140043612
2014-02-13

Method and apparatus for analyzing, identifying or imaging a target

#77
20140021351
2014-01-23

Terahertz frequency domain spectrometer with heterodyne downconversion

#78
20140002809
2014-01-02

Multifunctional fluid meter and method for measuring coolant, bio-diesel, gas-ethanol and DEF

#79
20130200263
2013-08-08

Terahertz frequency domain spectrometer with discrete coarse and fine tuning

#80
20130119277
2013-05-16

Dynamic signal extension in optical detection systems

#81
20130027703
2013-01-31

Luminous unit

#82
20130026590
2013-01-31

Sloped structure, method for manufacturing sloped structure, and spectrum sensor

#83
20130015369
2013-01-17

Methods and apparatus for authenticating articles with luminescent phosphor compounds

#84
20130001407
2013-01-03

Nonlinear optical surface sensing with a single thermo-electric detector

#85
20120298847
2012-11-29

Plant sensor having a controller controlling light emission of first and second light emitters at timings different from each other

#86
20120241621
2012-09-27

Standoff explosives detection

#87
20120212731
2012-08-23

Multiple wavelength cavity ring-down spectroscopy

#88
20120206727
2012-08-16

Optical absorbance measurement apparatus, method, and applications

#89
20120090379
2012-04-19

Sensor utilizing band pass filters

#90
20120088486
2012-04-12

Peri-critical reflection spectroscopy devices, systems, and methods

#91
20120077282
2012-03-29

Luminescence measurement utilizing cartridge with integrated detector

#92
20120060510
2012-03-15

Hot gas temperature measurement in gas turbine using tunable diode laser

#93
20110278472
2011-11-17

Optical detection utilizing cartridge with tunable filter assembly

#94
20110164248
2011-07-07

System and method for high precision isotope ratio destructive analysis

#95
20110109905
2011-05-12

ARRANGEMENT ADAPTED FOR SPECTRAL ANALYSIS

#96
20110007312
2011-01-13

SYSTEM AND METHOD FOR HIGH PRECISION ISOTOPE RATIO DESTRUCTIVE ANALYSIS

#97
20100314545
2010-12-16

Terahertz frequency domain spectrometer with frequency shifting of source laser beam

#98
20100243900
2010-09-30

Spectroscopy having correction for broadband distortion for analyzing multi-component samples

#99
20100231893
2010-09-16

Method and device for spectrally detecting presence of blood

#100
20100170498
2010-07-08

Air instrumentation system for concentrated solar power generation systems

#101
20100078563
2010-04-01

Simplified beam splitter for IR gas sensor

#102
20100053628
2010-03-04

Plant sensor

#103
20090072128
2009-03-19

Spectrally stabilized broadband optical source

#104
20090065710
2009-03-12

Trace evidence detection using multiple laser light sources

#105
20080278720
2008-11-13

Digital spectrophotometer and spectrological method

#106
20080251699
2008-10-16

Method and system for wavelength-dependent imaging and detection using a hybrid filter

#107
20080002180
2008-01-03

Systems and methods for use in detecting harmful aerosol particles

#108
20070200065
2007-08-30

Monitoring system comprising infrared thermopile detector

#109
20070183931
2007-08-09

Multimode reader

#110
20070170352
2007-07-26

Method and system for wavelength-dependent imaging and detection using a hybrid filter

#111
20060234386
2006-10-19

Method and system for measuring lactate levels in vivo

#112
20060232776
2006-10-19

Systems and methods for use in detecting harmful aerosol particles

#113
20060232775
2006-10-19

Systems and methods for use in detecting harmful aerosol particles

#114
20060197033
2006-09-07

Systems and methods for use in detecting harmful aerosol particles

#115
20060054795
2006-03-16

Spectrally tunable detector

#116
20060028656
2006-02-09

Method and apparatus for determining surface displacement based on an image of a retroreflector attached to the surface

#117
20060028639
2006-02-09

Light meter for detecting and measuring intensity of two or more wavelengths of light

#118
20050133693
2005-06-23

Method and system for wavelength-dependent imaging and detection using a hybrid filter