Patents-Review.com
ClassID:

164865 ⎘

G01D5/35306 - CPC Classification

Classification description:

Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement

Sub-classes:
Recent Application in this class:
#1
20260153365
2026-06-04

OPTICAL FIBER SENSING DEVICE AND METHOD

 #2
20250354837
2025-11-20

OPTICAL SENSOR

 #3
20250327658
2025-10-23

METHODS AND APPARATUS FOR OFDR INTERROGATOR MONITORING AND OPTIMIZATION

 #4
20250207953
2025-06-26

TEMPERATURE-STABILIZED OPTO-MECHANICAL OSCILLATOR

 #5
20250180834
2025-06-05

SYSTEM AND METHODS FOR COUPLING LIGHT TO ON-CHIP DEVICES

 #6
20250093184
2025-03-20

OPTICAL MEASUREMENT SYSTEM

 #7
20250060246
2025-02-20

DISTRIBUTED ACOUSTIC DEFECT DETECTION SYSTEM UTILIZING OPTICAL INTERFEROMETERS

 #8
20250044128
2025-02-06

Micro-probe laser frequency modulation interferometric ranging method and system

 #9
20240425798
2024-12-26

OPTICAL MEASUREMENT OF BIOLOGICAL TISSUE

 #10
20240318986
2024-09-26

SIGNAL PROCESSING METHODS FOR AN OPTICAL DETECTION SYSTEM

 #11
20240175725
2024-05-30

A METHOD AND SYSTEM FOR DETERMINING A PHASE SHIFT BETWEEN COMPONENTS OF VARIABLY AMPLIFIED LIGHT

 #12
20240159574
2024-05-16

METHOD AND APPARATUS FOR SUPPRESSION OF NOISE DUE TO LOCAL OSCILLATOR INSTABILITY IN A COHERENT FIBER OPTICAL SENSOR

 #13
20240012760
2024-01-11

Method and Apparatus for Optical Sensing

 #14
20240011824
2024-01-11

Method and Apparatus for Optical Sensing

 #15
20240011823
2024-01-11

Method and apparatus for optical sensing

 #16
20230417541
2023-12-28

MICRO OPTIC ASSEMBLIES AND OPTICAL INTERROGATION SYSTEMS

 #17
20230358575
2023-11-09

OPTICAL SENSOR READOUT AND INTERROGATING AN OPTICAL SENSOR

 #18
20230349689
2023-11-02

METHODS AND APPARATUS FOR OFDR INTERROGATOR MONITORING AND OPTIMIZATION

 #19
20230332499
2023-10-19

Topside Interrogation For Distributed Acoustic Sensing Of Subsea Wells

 #20
20230314189
2023-10-05

Method and Apparatus for Optical Sensing

 #21
20230065945
2023-03-02

Photonic integrated device for converting sound into a modulation of properties of light in the device

 #22
20230062957
2023-03-02

Demodulation system and demodulation method of fiber-optic sensor for obtaining phase change parameters

 #23
20230044386
2023-02-09

Optical fibre based measurement method of measuring parameters, and computer program product

 #24
20230032157
2023-02-02

Micro optic assemblies and optical interrogation systems

 #25
20220342145
2022-10-27

Composed multicore optical fiber device

 #26
20220326069
2022-10-13

Demodulation Of Fiber Optic Sensors

 #27
20220214193
2022-07-07

Displacement measuring apparatus, displacement measuring method and photolithography device

 #28
20220065669
2022-03-03

METHOD AND SYSTEM FOR DETECTING EVENTS IN A CONDUIT

 #29
20220011175
2022-01-13

Method and apparatus for temperature measurement in optical fiber fusion splicing

 #30
20220011094
2022-01-13

Methods and apparatus for OFDR interrogator monitoring and optimization

 #31
20210325238
2021-10-21

Method and apparatus for optical sensing

 #32
20210278255
2021-09-09

Method and apparatus for optical sensing

 #33
20210270131
2021-09-02

Topside interrogation for distributed acoustic sensing of subsea wells

 #34
20210255005
2021-08-19

Manhole position specification method and manhole position specification system

 #35
20210254967
2021-08-19

Micro optic assemblies and optical interrogation systems

 #36
20210156673
2021-05-27

Optical fibre sensor for measuring deformation, said sensor operating in a harsh environment

 #37
20210033479
2021-02-04

Metal-embedded optical fibers for monitoring pressure or corrosion at high temperatures

 #38
20210018550
2021-01-21

Electrical fault detector and method of use

 #39
20210010834
2021-01-14

EHz ultrafast modulated pulse scanning laser and distributed fiber sensing system

 #40
20200408574
2020-12-31

Method and apparatus for suppression of noise due to transmitted signal instability in a coherent fiber optical sensor system

 #41
20200408572
2020-12-31

Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensor

 #42
20200386583
2020-12-10

Method and apparatus for optical sensing

 #43
20200362692
2020-11-19

Topside interrogation for distributed acoustic sensing of subsea wells

 #44
20200355492
2020-11-12

Methods and apparatus for OFDR interrogator monitoring and optimization

 #45
20200300672
2020-09-24

Fibre optic sensing device

 #46
20200096322
2020-03-26

Methods and apparatus for OFDR interrogator monitoring and optimization

 #47
20200072645
2020-03-05

Long-distance optical cable physical safety monitoring system

 #48
20200025592
2020-01-23

Methods and apparatus for interferometric interrogation of an optical sensor

 #49
20190331523
2019-10-31

Method and apparatus for optical sensing

 #50
20190323863
2019-10-24

Method and apparatus for optical sensing

 #51
20190249982
2019-08-15

Micro optic assemblies and optical interrogation systems

 #52
20190155065
2019-05-23

System for transduction of displacement to optical phase shift

 #53
20180203144
2018-07-19

Interferometric Microseismic Imaging Methods and Apparatus

 #54
20180180451
2018-06-28

Calibrating a distributed fibre optic sensing system

 #55
20180058956
2018-03-01

Distributed optical fibre sensor for sensing stress state

 #56
20180045543
2018-02-15

Method and apparatus for optical sensing

 #57
20180045541
2018-02-15

Optical sensor with one or more sensing interference elements

 #58
20180045540
2018-02-15

Segmented poled optical fiber for fiber optic sensor and phased array

 #59
20180031414
2018-02-01

Method and apparatus for optical sensing

 #60
20170356767
2017-12-14

Sensor system comprising multiplexed fiber-coupled fabry-perot sensors

 #61
20170350734
2017-12-07

Distributed acoustic sensing system based on delayed optical hybrid phase demodulator

 #62
20170268909
2017-09-21

Methods and apparatus for interferometric interrogation of an optical sensor

 #63
20170254697
2017-09-07

Measuring apparatus for measuring vibration or displacement and method for measuring vibration or displacement

 #64
20170199075
2017-07-13

Fibre optic distributed sensing

 #65
20170146686
2017-05-25

Adaptive feedback for phase estimation and adjustment

 #66
20170102289
2017-04-13

Distributed optical fibre sensor

 #67
20170089944
2017-03-30

Opto-mechanical physical sensor with an improved sensitivity

 #68
20170082484
2017-03-23

Method and apparatus for optical sensing

 #69
20170082465
2017-03-23

Optical sensor and method of use

 #70
20170082464
2017-03-23

Method and apparatus for optical sensing

 #71
20170010133
2017-01-12

Interferometric high fidelity optical phase demodulation using 120 degree phase separation

 #72
20160356823
2016-12-08

Interferometric sensor

 #73
20160282150
2016-09-29

Sensor with high-sensitivity optical fiber having a holographic detector comprising a liquid crystal light valve

 #74
20160252341
2016-09-01

Method and structure for diminishing signal interference of transmission path of optical fibre interference system

 #75
20160169768
2016-06-16

Distributed optical fibre sensor

 #76
20160169712
2016-06-16

Method and apparatus for optical sensing

 #77
20160161296
2016-06-09

Distributed optical fibre sensor

 #78
20160054186
2016-02-25

Method and apparatus for optical strain sensing

 #79
20160011301
2016-01-14

Fiber optic backscatter sensing systems and methods of operating the same

 #80
20160003648
2016-01-07

Apparatus and method of multiplexed or distributed sensing

 #81
20150377603
2015-12-31

Method for reducing interference from scattered light/reflected light of interference path by generating carrier through phase

 #82
20150354937
2015-12-10

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

 #83
20150204748
2015-07-23

Multiplexed fiber-coupled fabry-perot sensors and method therefor

 #84
20150192436
2015-07-09

Optical sensor and method of use

 #85
20150033848
2015-02-05

Optical sensor with one or more sensing interference elements

 #86
20140332675
2014-11-13

Optical sensor having a characteristic changing part in a characteristic light guiding member

 #87
20140326860
2014-11-06

Multiplexed fiber optic sensing system and method

 #88
20130222811
2013-08-29

Distributed optical fibre sensor

 #89
20120280117
2012-11-08

Apparatus for deriving measurement signals from fibre optic distributed sensors

 #90
20120278043
2012-11-01

Fibre optic distributed sensing

 #91
20120224182
2012-09-06

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

 #92
20120162639
2012-06-28

Optical sensor and method of use

 #93
20120060615
2012-03-15

Method and apparatus for optical sensing

 #94
20110247427
2011-10-13

Strain sensing with optical fiber rosettes

 #95
20100269952
2010-10-28

PROCESS AND APPARATUS FOR FILLING MICROSTRUCTURED FIBERS VIA CONVECTION BASED PRESSURE DRIVEN TECHNIQUE

 #96
20090014634
2009-01-15

Evaluating the position of a disturbance

 #97
20060278240
2006-12-14

System, device, and method for detecting perturbations via a fiber optic sensor

 #98
20050200855
2005-09-15

Light source stabilisation

 #99
14081325
2016-02-09

Optical fiber vibration sensor