Patents-Review.com
ClassID:

164243 ⎘

G01B9/02094 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers Speckle interferometers, i.e. for detecting changes in speckle pattern

Sub-classes:
Recent Application in this class:
#1
20260016499
2026-01-15

VELOCITY MEASUREMENT BY DECORRELATION RATIO OF STRUCTURED OPTICAL SIGNALS

 #2
20250327656
2025-10-23

CHARACTERIZING ROCK PROPERTIES WITH OPTICAL ENERGY SOURCES IN A WELLBORE

 #3
20240255273
2024-08-01

COMPUTATIONAL SHEAR BY PHASE STEPPED SPECKLE HOLOGRAPHY

 #4
20240003671
2024-01-04

Adaptive Optical Sensing Using Speckle Prediction

 #5
20230204339
2023-06-29

Method and system for measuring a surface topography of an object

 #6
20230092838
2023-03-23

OPTOELECTRONIC SEMICONDUCTOR DEVICE AND GLASSES

 #7
20220099436
2022-03-31

Surface quality sensing using self-mixing interferometry

 #8
20220003536
2022-01-06

Classification of laser speckle profiles for validation of part placement in an assembly task

 #9
20210389118
2021-12-16

Device and method for interferometric measurement of a two or three dimensional translation of an object

 #10
20210372921
2021-12-02

Electronic speckle pattern interferometer (ESPI) for long-range measurement of displacement of materials within hazardous environments

 #11
20210356250
2021-11-18

Surface sensing probe and methods of use

 #12
20210293595
2021-09-23

Systems and methods for calibrating and correcting a speckle contrast flowmeter

 #13
20210096085
2021-04-01

Vibration measurement device

 #14
20200371018
2020-11-26

Photoacoustic excitation sensing enhanced by cross-correlated unfocused speckle images

 #15
20200158548
2020-05-21

Systems and methods for calibrating and correcting a speckle contrast flowmeter

 #16
20200141798
2020-05-07

Speckle contrast system and method that discriminates photons path lengths

 #17
20200072597
2020-03-05

System and method for use in remote sensing

 #18
20200025552
2020-01-23

Method and apparatus for remote sensing of objects utilizing radiation speckle

 #19
20190339117
2019-11-07

Optical remote sensing of vibrations

 #20
20190212187
2019-07-11

Optical detection of vibrations

 #21
20190145755
2019-05-16

Measuring surface roughness

 #22
20190094009
2019-03-28

Speckle measurement apparatus and speckle measurement method

 #23
20190063898
2019-02-28

Optical transforming and modulated interference pattern of a moving object

 #24
20180372654
2018-12-27

Shearography for sub microcellular substrate nondestructive inspection

 #25
20180289297
2018-10-11

System and method for monitoring glucose level

 #26
20180289270
2018-10-11

System and method for blood pressure measurement

 #27
20170347043
2017-11-30

Systems and methods for surface topography acquisition using laser speckle

 #28
20170138722
2017-05-18

Method and apparatus for remote sensing of objects utilizing radiation speckle

 #29
20170122721
2017-05-04

Overall Z-direction displacement measuring system

 #30
20160178347
2016-06-23

Device and method of quick subpixel absolute positioning

 #31
20160153766
2016-06-02

OPTICAL APPARATUS AND METHODS

 #32
20160066790
2016-03-10

Laser speckle interferometric system and method for mobile devices

 #33
20150182136
2015-07-02

Speckle contrast optical tomography

 #34
20140055792
2014-02-27

Estimating material properties using speckle statistics

 #35
20140049779
2014-02-20

Determining material properties using speckle statistics

 #36
20100226543
2010-09-09

Motion detection system and method

 #37
20090251670
2009-10-08

OPTICAL FEEDBACK FOR HIGH SPEED SCAN MIRROR

 #38
20080252896
2008-10-16

Image forming apparatus for forming image on record medium