ClassID:

165750

G01H9/002 - CPC Classification

Classification description:

Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution

Recent Application in this class:
#1
20250377239
2025-12-11

SUBSURFACE IMAGING USING LASER VIBROMETRY

#2
20250258034
2025-08-14

SYSTEM AND METHOD FOR AUTOMATIC DETECTION OF MICROSEISMIC REFLECTIONS IN DISTRIBUTED ACOUSTIC SENSING DATA

#3
20240426651
2024-12-26

FIBER-OPTICAL SENSOR SYSTEM FOR ULTRASOUND SENSING AND IMAGING

#4
20240271993
2024-08-15

Calibration apparatus and calibrating a laser doppler vibrometer

#5
20240011892
2024-01-11

Optical Vibration Detection System and Method

#6
20230384148
2023-11-30

EXTRACTING METHOD OF CHANNEL-FREQUENCY FEATURES IN DAS SENSORS

#7
20230379636
2023-11-23

Joint processing of optical and acoustic microphone signals

#8
20230358562
2023-11-09

FIBRE OPTIC SENSING METHOD AND SYSTEM FOR GENERATING A DYNAMIC DIGITAL REPRESENTATION OF OBJECTS AND EVENTS IN AN AREA

#9
20230236043
2023-07-27

Acoustic method and system for providing digital data

#10
20220395858
2022-12-15

Methods and Apparatuses for Fabricating Polymeric Conformal Coatings, Parts Coated With Polymeric Conformal Coatings, and Optical Apparatus Including Said Parts

#11
20220342110
2022-10-27

Optical seismic surveying system

#12
20220283020
2022-09-08

VIBRATION DETECTION SYSTEM

#13
20220205835
2022-06-30

Systems and methods for imaging and sensing vibrations

#14
20220074808
2022-03-10

System and method for testing structure mode of vibration based on digital image recognition

#15
20210381883
2021-12-09

Calibration apparatus and calibrating a laser doppler vibrometer

#16
20210372330
2021-12-02

Lean blowout precursor detection for gas turbines

#17
20210356388
2021-11-18

Optical vibration detection system and method

#18
20210262853
2021-08-26

Measurement terminal, measurement system, measurement method, and program

#19
20210150919
2021-05-20

Method and apparatus for monitoring the take-off and landing procedure of an aircraft and system

#20
20200292303
2020-09-17

Multi-beam processing of lidar vibration signals

#21
20200256971
2020-08-13

Ultrasound systems and methods for measuring acoustic attenuation coefficients

#22
20200191613
2020-06-18

Acoustic method and system for providing digital data

#23
20200116555
2020-04-16

Heterogeneous subsurface imaging systems and methods

#24
20190365234
2019-12-05

System and method for monitoring of objects with increased sensitivity

#25
20190365233
2019-12-05

System and method for determining audio characteristics from within a body

#26
20190339117
2019-11-07

Optical remote sensing of vibrations

#27
20190331522
2019-10-31

Compact system and method for vibration and noise mapping

#28
20190227153
2019-07-25

ROBUST, DUAL LOOP CONTROL OF A DISTRIBUTED TRANSMIT ARRAY

#29
20190212187
2019-07-11

Optical detection of vibrations

#30
20190204275
2019-07-04

Defect inspection device and method

#31
20190195681
2019-06-27

Method and apparatus for the tomography of sound

#32
20190137328
2019-05-09

Diagnostic apparatus and diagnostic system

#33
20190033124
2019-01-31

Systems and methods for autonomous stroboscopic machine inspection for multi-point and multi-frequency vibration measurement

#34
20180168453
2018-06-21

System and method for determining audio characteristics from within a body

#35
20180011006
2018-01-11

Optical vibration detection system and method

#36
20170356793
2017-12-14

Distributed fiber optic acoustic detection device

#37
20170280108
2017-09-28

Monitoring system and monitoring method

#38
20170089867
2017-03-30

Part evaluation system/method using both resonance and surface vibration data

#39
20160238534
2016-08-18

System and method for detecting a defect in a structure member

#40
20160216151
2016-07-28

Light imaging system for an acoustic imaging system

#41
20160199888
2016-07-14

DEPOSIT BUILD-UP MONITORING, IDENTIFICATION AND REMOVAL OPTIMIZATION FOR CONDUITS

#42
20160161325
2016-06-09

Wide-band acoustic holography

#43
20160066086
2016-03-03

Method and arrangement for detecting acoustic and optical information as well as a corresponding computer program and a corresponding computer-readable storage medium

#44
20150369651
2015-12-24

Acoustic wave acquiring apparatus and control method therefor

#45
20150319540
2015-11-05

Method and apparatus for recovering audio signals from images

#46
20140354263
2014-12-04

Optically based voltage sensing device and method

#47
20140118749
2014-05-01

Acoustic signal receiving apparatus and imaging apparatus

#48
20120296600
2012-11-22

Method and device for determining acoustic coefficients and acoustic power

#49
20120216619
2012-08-30

Device for measuring sound source distribution in three-dimensional space

#50
20120086944
2012-04-12

Speckle jitter sensor

#51
20120019654
2012-01-26

MEASUREMENT OF VIBRATION CHARACTERISTICS OF AN OBJECT

#52
20110249864
2011-10-13

Measurement of three-dimensional motion characteristics

#53
20110040511
2011-02-17

Acoustography dynamic range extending device and method

#54
20100281986
2010-11-11

MULTIPOINT LASER DOPPLER VIBROMETER

#55
20100226543
2010-09-09

Motion detection system and method

#56
20090180124
2009-07-16

Method and apparatus for identifying dynamic characteristics of a vibratory object

#57
20090008184
2009-01-08

Marine acoustic sensor assembly

#58
20080249722
2008-10-09

Method for determination of strain distribution in components

#59
20070091316
2007-04-26

Multi-beam heterodyne laser doppler vibrometer

#60
20060262319
2006-11-23

Optical vibration imager

#61
20060209631
2006-09-21

Method for detecting vibrations in a biological organism using real-time vibration imaging

#62
20050279172
2005-12-22

Visualization, measurement and analysis of vibrating objects

#63
20050225773
2005-10-13

Ultra high frequency imaging acoustic microscope

#64
20050012935
2005-01-20

Characterizing unsteady pressures in pipes using optical measurement devices

#65
20050007599
2005-01-13

Stroboscopic interferometry with frequency domain analysis

#66
18492593
2024-07-02

Fiber-optical sensor system for ultrasound sensing and imaging

#67
13660420
2019-02-12

Compression and feature extraction from full waveform ultrasound data

#68
13027529
2014-08-05

Remote optical seismic surveying and detection and imaging of underground objects