ClassID:

164174

G01B9/02012 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers characterised by controlling or generating intrinsic radiation properties using temporal intensity variation

Sub-classes:
Recent Application in this class:
#1
20260078999
2026-03-19

OPTICAL MEASUREMENT DEVICE AND METHOD

#2
20250172377
2025-05-29

OPTICAL DISPLACEMENT SENSOR ARRANGEMENT AND METHOD OF OPERATION

#3
20240310158
2024-09-19

INTERFEROMETRIC DISPLACEMENT MEASUREMENT APPARATUS

#4
20240255423
2024-08-01

OPTICAL COMB MEASURING APPARATUS

#5
20240230315
2024-07-11

HIGH-RESOLUTION HANDHELD OCT IMAGING SYSTEM

#6
20240133674
2024-04-25

High-resolution handheld OCT imaging system

#7
20230072425
2023-03-09

Light-sheet photonic-force optical coherence elastography

#8
20220091032
2022-03-24

Two-Dimensional Second Harmonic Dispersion Interferometer

#9
20220090909
2022-03-24

Thickness evaluation method of cell sheet

#10
20210404790
2021-12-30

APPARATUS, SYSTEMS AND METHODS FOR COMPRESSIVE SENSING

#11
20210199575
2021-07-01

Two-dimensional second harmonic dispersion interferometer

#12
20200378748
2020-12-03

Height detection apparatus and coating apparatus equipped with the same

#13
20200033113
2020-01-30

Position finder apparatus and method using optically projected reference

#14
20180299253
2018-10-18

LASER SCANNING METHOD AND APPARATUS FOR SEMICONDUCTOR DEVICE STAIRCASE STEP WIDTH MEASUREMENT

#15
20180252512
2018-09-06

Height detection apparatus and coating apparatus equipped with the same

#16
20180031415
2018-02-01

INTERFEROMETER SYSTEM HAVING A CONTINUOUSLY VARIABLE BROADBAND REFLECTOR AND METHOD TO GENERATE AN INTERFERENCE SIGNAL OF A SURFACE OF A SAMPLE

#17
20170241765
2017-08-24

Optical sensing based on measurements of displacements induced by optical forces in viscoelastic media using phase-sensitive optical coherence tomography

#18
20170023352
2017-01-26

Laser-based coordinate measuring device and laser-based method for measuring coordinates

#19
20160341539
2016-11-24

Optical sensing based on measurements of displacements induced by optical scattering forces in viscoelastic media using phase-sensitive optical coherence tomography

#20
20150282274
2015-10-01

LIGHT SOURCE SYSTEM AND OPTICAL COHERENCE TOMOGRAPHY APPARATUS USING THE LIGHT SOURCE SYSTEM

#21
20150211851
2015-07-30

Intensity modulation at two frequencies for interferometric measuring of distance

#22
20150062588
2015-03-05

Disturbance detection using a passively terminated fiber optic sensor

#23
20140029014
2014-01-30

System and method for focus tracking optical coherence tomography

#24
20120327390
2012-12-27

Methods for using a locator camera in a laser tracker

#25
20120320382
2012-12-20

Device for determining the position of at least one structure on an object, use of an illumination apparatus with the device and use of protective gas with the device

#26
20120224182
2012-09-06

Fiber-optic disturbance detection using combined Michelson and Mach-Zehnder interferometers

#27
20120162661
2012-06-28

Displacement sensor with embedded coherent electromagnetic radiation interferometer for micro scale proximity measurements

#28
20120099119
2012-04-26

Laser-based coordinate measuring with a camera for target orientation

#29
20120099096
2012-04-26

LASER-BASED COORDINATE MEASURING DEVICE AND LASER-BASED METHOD FOR MEASURING COORDINATES

#30
20120092677
2012-04-19

Image pickup apparatus and image pickup method using optical coherence tomography

#31
20120050712
2012-03-01

LASER-BASED COORDINATE MEASURING DEVICE AND LASER-BASED METHOD FOR MEASURING COORDINATES

#32
20120033691
2012-02-09

Device for Determining the Position of at Least One Structure on an Object, Use of an Illumination Apparatus with the Device and Use of Protective Gas with the Device

#33
20120033230
2012-02-09

Device for Determining the Position of at Least One Structure on an Object, Use of an Illumination Apparatus with the Device and Use of Protective Gas with the Device

#34
20110242487
2011-10-06

Optical tomographic imaging apparatus

#35
20110170115
2011-07-14

Optical coherence tomographic imaging apparatus and optical coherence tomographic imaging method

#36
20110170113
2011-07-14

Laser-based coordinate measuring device and laser-based method for measuring coordinates

#37
20110007327
2011-01-13

Laser tracker having a camera with a constant magnification

#38
20110007305
2011-01-13

Laser tracker and method for measing location and orientation of a patterned target

#39
20110001958
2011-01-06

Laser tracker including a locator camera

#40
20100315649
2010-12-16

OCT apparatus and interference signal level control method for the same

#41
20100231895
2010-09-16

Quantitative phase-imaging systems

#42
20100110449
2010-05-06

Device for determining the position of at least one structure on an object, use of an illumination apparatus with the device and use of protective gas with the device

#43
20100097616
2010-04-22

System and method for optical coherence tomography with modulated detector sensitivity

#44
20100091295
2010-04-15

System and method for optical coherence tomography

#45
20100067022
2010-03-18

System for optical coherence tomography with different optical properties of specimen and reference objectives

#46
20100046003
2010-02-25

Method and device for generating a synthetic wavelength

#47
20100033726
2010-02-11

System and method for optical coherence tomography

#48
20100027029
2010-02-04

System and method for optical coherence tomography and method for calibrating said type of system

#49
20100027024
2010-02-04

System and method for optical coherence tomography with spectrally modulated light injected into optical fibre

#50
20100027021
2010-02-04

System for optical coherence tomography

#51
20100027020
2010-02-04

System and method for optical coherence tomography with light or detector modulation

#52
20100002241
2010-01-07

Optical coherence tomographic imaging apparatus and optical coherence tomographic imaging method

#53
20090174886
2009-07-09

System for producing tomographic image by optical tomography

#54
20080192264
2008-08-14

Device for determining the position of at least one structure on an object, use of an illumination apparatus with the device and use of protective gas with the device

#55
20080117430
2008-05-22

Method, apparatus, and program for processing tomographic images, and optical tomography system

#56
20080024865
2008-01-31

Interferometric device

#57
20070206201
2007-09-06

Phase shifting interferometry with multiple accumulation

#58
20070206200
2007-09-06

Interferometric measuring device

#59
20070177154
2007-08-02

Measuring device and method to optically measure an object

#60
20070024863
2007-02-01

Absolute position measurement apparatus

#61
20060262315
2006-11-23

Position-measuring device for determining the position of two objects movable with respect to each other along a measuring direction, and method for forming a reference pulse for such a position-measuring device

#62
20060227340
2006-10-12

Position sensing apparatus, and position sensing method

#63
20060132790
2006-06-22

Optical coherence tomography with 3d coherence scanning

#64
20060072424
2006-04-06

Patterned spinning disk based optical phase shifter for spectral domain optical coherence tomography

#65
20060072118
2006-04-06

Optical image measuring apparatus

#66
20050219545
2005-10-06

Optical image measuring apparatus

#67
20050219544
2005-10-06

Optical image measuring apparatus

#68
20050190374
2005-09-01

Optical image measuring apparatus for obtaining a signal intensity and spatial phase distribution of interference light

#69
16031298
2019-09-24

Modular interferometric telescope

#70
15447042
2019-06-25

Light pulse atom interferometer velocity reference

#71
15330822
2019-10-08

High speed Michelson interferometer microscope