ClassID:

164221

G01B9/02068 - 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; Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light Auto-alignment of optical elements

Recent Application in this class:
#1
20230366670
2023-11-16

DATA AGE REDUCTION

#2
20220011089
2022-01-13

WIDE FIELD-OF-VIEW MICHELSON FOR SHEAROGRAPHY

#3
20210278197
2021-09-09

Alignment method for a beam-directing unit of an interferometric measuring device, and measuring device for carrying out an interferometric measurement by means of laser radiation

#4
20200348122
2020-11-05

Microscope with rotating beam system

#5
20200318944
2020-10-08

Automated polarization control

#6
20190113333
2019-04-18

Calibration method of image measuring device

#7
20180279873
2018-10-04

OPHTHALMOLOGIC APPARATUS

#8
20170299371
2017-10-19

Digital holographic microscope

#9
20170211925
2017-07-27

Tomographic image capturing device

#10
20170167845
2017-06-15

TEC module having laser diode as an interferometer laser beam source in a laser tracker

#11
20160231172
2016-08-11

Self calibration for mirror positioning in optical MEMS interferometers

#12
20160091304
2016-03-31

Surface profile measurement method and device used therein

#13
20150320309
2015-11-12

Ophthalmologic apparatus for measuring position of measuring portion inside eye

#14
20150185169
2015-07-02

Imaging apparatus using talbot interference and adjusting method for imaging apparatus

#15
20150085294
2015-03-26

Apparatus and methods for detecting optical components and their misalignment in optical coherence tomographic systems

#16
20150055139
2015-02-26

In situ calibration of interferometers

#17
20140139839
2014-05-22

Self calibration for mirror positioning in optical MEMS interferometers

#18
20140128746
2014-05-08

Interferometric biometric sensing apparatus including adjustable coupling and associated methods

#19
20140098372
2014-04-10

Interferometric sensing apparatus including adjustable coupling and associated methods

#20
20140078512
2014-03-20

Motion-compensated optical coherence tomography system

#21
20130265547
2013-10-10

Fundus photographing apparatus

#22
20130242258
2013-09-19

Fundus photographing apparatus

#23
20130181130
2013-07-18

Imaging apparatus using talbot interference and adjusting method for imaging apparatus

#24
20130162978
2013-06-27

System and method for auto-focusing in optical coherence tomography

#25
20130155414
2013-06-20

Measuring apparatus including multi-wavelength interferometer

#26
20130155413
2013-06-20

Low coherence interferometry with scan error correction

#27
20130107268
2013-05-02

Method and device for high resolution full field interference microscopy

#28
20130107213
2013-05-02

Ophthalmologic apparatus

#29
20130063730
2013-03-14

In situ calibration of interferometers

#30
20130021575
2013-01-24

OPTICAL TOMOGRAPHIC IMAGING APPARATUS

#31
20120281232
2012-11-08

Interferometric material sensing apparatus including adjustable reference arm and associated methods

#32
20120281229
2012-11-08

Interferometric material sensing apparatus including adjustable coupling and associated methods

#33
20120281228
2012-11-08

Interferometric biometric sensing apparatus including adjustable coupling and associated methods

#34
20120281227
2012-11-08

Interferometric sensing apparatus including adjustable coupling and associated methods

#35
20120242995
2012-09-27

PATTERN INSPECTION APPARATUS AND PATTERN INSPECTION METHOD

#36
20120212747
2012-08-23

APPARATUS AND METHOD OF MEASURING SHAPE

#37
20120200827
2012-08-09

Ophthalmologic apparatus

#38
20120127476
2012-05-24

Process, system and software arrangement for determining at least one location in a sample using an optical coherence tomography

#39
20120120409
2012-05-17

Dual input interferometer beamsplitter tilt control system and flexure mounting

#40
20120044455
2012-02-23

Optical imaging apparatus and method for imaging an optical image

#41
20120026508
2012-02-02

Surface characteristic determining apparatus

#42
20120026463
2012-02-02

Optical coherence tomographic imaging apparatus

#43
20120002214
2012-01-05

OPTICAL TOMOGRAPHIC IMAGING APPARATUS AND CONTROL METHOD THEREFOR

#44
20110317168
2011-12-29

System and method for interferometric autofocusing

#45
20110286003
2011-11-24

Optical image measuring device

#46
20110222069
2011-09-15

Light-interference measuring apparatus

#47
20110205490
2011-08-25

Optical tomographic image photographing apparatus

#48
20110201924
2011-08-18

Method and Apparatus for Improving Image Clarity and Sensitivity in Optical Tomography Using Dynamic Feedback to Control Focal Properties and Coherence Gating

#49
20110194072
2011-08-11

Compact adaptive optic-optical coherence tomography system

#50
20110152845
2011-06-23

Stabilized retinal imaging with adaptive optics

#51
20110134436
2011-06-09

Method for depth resolved wavefront sensing, depth resolved wavefront sensors and method and apparatus for optical imaging

#52
20110102742
2011-05-05

Apparatus, method, and program for processing information

#53
20100290061
2010-11-18

Scanning microscope using an I/Q-interferometer

#54
20100253908
2010-10-07

Stabilized retinal imaging with adaptive optics

#55
20100220337
2010-09-02

Optical surface measuring apparatus and method

#56
20100211206
2010-08-19

Measurement system and interferometer

#57
20100209832
2010-08-19

Measurement apparatus, exposure apparatus, and device fabrication method

#58
20100182612
2010-07-22

Optical tomography having path length control based on object position

#59
20100182610
2010-07-22

Optical tomographic imaging apparatus that changes reference beam path lengths

#60
20100149548
2010-06-17

Reticle inspection systems and method

#61
20100149542
2010-06-17

Interferometer actuator

#62
20100149490
2010-06-17

Compact adaptive optic-optical coherence tomography system

#63
20100128283
2010-05-27

Interferometric systems and methods featuring spectral analysis of unevenly sampled data

#64
20100128280
2010-05-27

Scan error correction in low coherence scanning interferometry

#65
20100128278
2010-05-27

Fiber-based interferometer system for monitoring an imaging interferometer

#66
20100128276
2010-05-27

Compound reference interferometer

#67
20090207417
2009-08-20

High intensity fabry-perot sensor

#68
20080225231
2008-09-18

Device and method for measuring the contrast of the fringes in a michelson interferometer and system for examination of the eye comprising such a device

#69
20080151256
2008-06-26

Optical image measurement device

#70
20080079949
2008-04-03

Optical tomograph for automatically adjusting optical path length differences

#71
20070252951
2007-11-01

Stabilized retinal imaging with adaptive optics

#72
20070236661
2007-10-11

Opthalmologic apparatus

#73
20070188765
2007-08-16

Fourier-domain optical coherence tomography imager

#74
20070077045
2007-04-05

Optical tomography system

#75
20070076220
2007-04-05

Optical tomography system

#76
20070076219
2007-04-05

Optical tomography system

#77
20070076215
2007-04-05

Optical tomography system

#78
20070076213
2007-04-05

Optical tomography system

#79
20070058174
2007-03-15

Apparatus and methods for reduction and compensation of effects of vibrations and of environmental effects in wavefront interferometry

#80
20060290942
2006-12-28

Free-form optical surface measuring apparatus and method

#81
20060274323
2006-12-07

High intensity fabry-perot sensor

#82
20060238773
2006-10-26

Interferometer optical element alignment

#83
20060092429
2006-05-04

Catoptric and catadioptric imaging systems with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces

#84
20060072204
2006-04-06

Catoptric and catadioptric imaging systems with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces

#85
20060066865
2006-03-30

Optical tomographic image obtaining apparatus

#86
20060058682
2006-03-16

Method and apparatus for improving both lateral and axial resolution in ophthalmoscopy

#87
20060039004
2006-02-23

Process, system and software arrangement for determining at least one location in a sample using an optical coherence tomography

#88
20060033931
2006-02-16

System and method for three-dimensional measurement

#89
20060033924
2006-02-16

Apparatus and method for joint and time delayed measurements of components of conjugated quadratures of fields of reflected/scattered and transmitted/scattered beams by an object in interferometry

#90
20050162662
2005-07-28

Method and device for measuring wall thickness of a pipe in a pipe-rolling mill

#91
20050111007
2005-05-26

Catoptric and catadioptric imaging system with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces

#92
15959579
2019-09-24

Optical alignment based on spectrally-controlled interferometry

#93
10136813
2018-02-20

Method and apparatus for improving image clarity and sensitivity in optical coherence tomography using dynamic feedback to control focal properties and coherence gating