G01N2201/128 - CPC Classification Index

ClassID:

169759 ⎘

G01N2201/128 - CPC Classification

Classification description:

Features of devices classified in; Circuits of general importance; Signal processing Alternating sample and standard or reference part in one path

Sub-classes:

G01N2201/1281 » Reflecting part, i.e. for autocollimation 1
G01N2201/1283 » Opaque part 1
G01N2201/1285 » Standard cuvette 3
G01N2201/1288 » Calibration medium periodically inserted in one cell 2

Recent Application in this class:

20220276159

2022-09-01

Gas sensors

20210164895

2021-06-03

GAS SENSORS

20200386780

2020-12-10

METHOD AND APPARATUS FOR RAPID SEQUENTIAL FLOW INJECTION

20200158625

2020-05-21

FLOW CELL AND OPTICAL SYSTEM FOR ANALYZING FLUID

20180364152

2018-12-20

Flow cell and optical system for analyzing fluid

20180120223

2018-05-03

PLANAR REFLECTIVE RING

20170234902

2017-08-17

Method and apparatus for rapid sequential flow injection

20160356764

2016-12-08

Integrated breath alcohol sensor system

20150123000

2015-05-07

GAS SENSORS

#10

20120209536

2012-08-16

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

#11

20120075632

2012-03-29

APPARATUS AND METHOD FOR MEASURING SO3 AND H2SO4 CONCENTRATIONS IN GASES

#12

20110305598

2011-12-15

MICROFLUIDIC DEVICE

#13

20100141952

2010-06-10

Multi-analyte optical computing system

#14

20090213371

2009-08-27

Spectrophotometer Comprising Two Detectors for Overlapping Wavelength Ranges

#15

20080231853

2008-09-25

Qualitative Analysis System and Method for Agricultural Products in Harvesting Equipment

#16

20080063569

2008-03-13

System and method for self-referencing a sensor in a micron-sized deep flow chamber

#17

20060152730

2006-07-13

Optical sensor for determining the concentrations of dyes and/or particles in liquid or gaseous media and method for operating the same

#18

20060109458

2006-05-25

Standard plane sample and optical characteristic measurement system

#19

20060106557

2006-05-18

System and method for self-referencing a sensor in a micron-sized deep flow chamber

#20

20060055932

2006-03-16

Self-referencing instrument and method thereof for measuring electromagnetic properties