G01B9/02055 - CPC Classification Index

ClassID:

164210 ⎘

G01B9/02055 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers Reduction or prevention of errors; Testing; Calibration

Sub-classes:

G01B9/02056 » {Passive error reduction, i.e. not varying during measurement, e.g. by constructional details of optics} 42
G01B9/02062 » {Active error reduction, i.e. varying with time} 15
G01B9/0207 » {Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer} 122
G01B9/02075 » {of particular errors} 47

Recent Application in this class:

20250283712

2025-09-11

Optical Coherence Tomography With Self-Inspecting Imaging Device

20240353219

2024-10-24

ANGULAR AVERAGING CALIBRATION ON BARE WAFER METROLOGY TOOLS FOR ESFQR MATCHING IMPROVEMENT

20240125587

2024-04-18

FILTERING FOR CO-SENSOR FUSION IN ATOMIC SENSORS

20240077304

2024-03-07

ALIGNMENT METHOD, SHAPE MEASURING METHOD AND SHAPE MEASURING APPARATUS

20230288197

2023-09-14

Fault processing system for displacement sensor

20230280153

2023-09-07

Optical Coherence Tomography With Self-Inspecting Imaging Device

20230108466

2023-04-06

Method and device for characterizing the surface shape of an optical element

20220252873

2022-08-11

Calibration kit for an optical scanning device

20200024634

2020-01-23

Methods and systems of characterizing and counting microbiological colonies

#10

20190316988

2019-10-17

Method and apparatus for nondestructive determination of core size of hollow-core photonic bandgap fiber using Fabry-Perot interference

#11

20190187661

2019-06-20

Spatial accuracy correction method and apparatus

#12

20190033056

2019-01-31

Optical roughness sensor for a coordinate measuring machine

#13

20180306569

2018-10-25

Intensity Noise Reduction Methods and Apparatus for Interferometric Sensing and Imaging Systems

#14

20180120087

2018-05-03

CONTROL SYSTEM, AND CONTROL METHOD AND PROGRAM FOR CONTROL SYSTEM

#15

20180035894

2018-02-08

Optical coherence tomographic device

#16

20170234676

2017-08-17

Method and apparatus for determining a plurality of spatial coordinates on a measurement object

#17

20160062112

2016-03-03

Compact, low dispersion, and low aberration adaptive optics scanning system and method

#18

20160047644

2016-02-18

PHASE-INVERTED SIDELOBE-ANNIHILATED OPTICAL COHERENCE TOMOGRAPHY

#19

20150354937

2015-12-10

Interferential position-measuring device and method for operating an interferential position-measuring device

#20

20150153157

2015-06-04

Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems

#21

20150143871

2015-05-28

Daily checking and calibrating method of length measuring machine

#22

20150036149

2015-02-05

SYSTEM FOR CONTROLLING AN OPTICAL SURFACE TO BE MEASURED

#23

20140218745

2014-08-07

Multiple measurement channel detector circuit for interferometers

#24

20130265584

2013-10-10

Temperature-stable incoherent light source

#25

20130222810

2013-08-29

Apolarized interferometric system, and apolarized interferometric measurement method

#26

20110270562

2011-11-03

Profile measuring apparatus

#27

20110228280

2011-09-22

Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems

#28

20100214570

2010-08-26

Orthogonal-polarization mirau interferometry and beam-splitting module and interferometric system using the same

#29

15839658

2018-12-18

System and method for measuring displacement

#30

13837059

2015-04-21

Method and apparatus for calibrating the apex offset on fiberoptic connector measuring interferometer