ClassID:

173394

G01V8/22 - CPC Classification

Classification description:

Prospecting or detecting by optical means; Detecting, e.g. by using light barriers using multiple transmitters or receivers using reflectors

Recent Application in this class:
#1
20260023191
2026-01-22

Techniques for Dynamic Object Detection

#2
20250327745
2025-10-23

OPTICAL SPECTROSCOPY FOR CHARACTERIZING ATMOSPHERIC EMISSIONS

#3
20250189693
2025-06-12

TERAHERTZ SIGNAL-BASED IMAGE COLLECTION DEVICE, IMAGE GENERATION SYSTEM AND IMAGE GENERATION METHOD

#4
20250110047
2025-04-03

OPTICAL SPECTROSCOPY FOR CHARACTERIZING ATMOSPHERIC EMISSIONS

#5
20250035812
2025-01-30

DEVICE FOR PRODUCING A LIGHT BARRIER

#6
20250004162
2025-01-02

DIFFUSION SAFETY SYSTEM

#7
20240310553
2024-09-19

LIGHT CURTAIN SAFETY SYSTEM

#8
20240307579
2024-09-19

Laser virus filter screen

#9
20240045097
2024-02-08

DEVICE AND METHOD FOR OPTICALLY SURVEILLING AT LEAST ONE AREA

#10
20230383989
2023-11-30

SENSOR DEVICE AND CONDENSATE WATER REMOVAL DEVICE WITH A SENSOR DEVICE

#11
20230305185
2023-09-28

Diffusion safety system

#12
20230305184
2023-09-28

Method and system for aligning emitters and receivers of a light barrier by means of visible light

#13
20230296803
2023-09-21

Light curtain safety system

#14
20230296425
2023-09-21

Distributed acoustic sensing system with propagation direction and related methods

#15
20230236338
2023-07-27

Systems and methods for detecting known and unknown objects

#16
20230156312
2023-05-18

Electronic device, and control method for movable assembly

#17
20230081936
2023-03-16

Light barrier system, comprising at least two reflection light barrier devices

#18
20230032864
2023-02-02

ARRANGEMENT FOR A PASSAGE SYSTEM AND METHOD FOR OPERATING AN ARRANGEMENT

#19
20220113444
2022-04-14

Multi-layered safety system

#20
20220074546
2022-03-10

Power tool safety system

#21
20210373196
2021-12-02

Diffusion safety system

#22
20210341264
2021-11-04

OPTICAL SYSTEMS AND DEVICES FOR BALLISTIC PARAMETER MEASUREMENTS

#23
20210307248
2021-10-07

Harvesting head reel-crop engagement

#24
20210302617
2021-09-30

Device and method for optically surveilling at least one area

#25
20210231831
2021-07-29

System and method for automatically detecting unauthorized entry into a pool

#26
20210033747
2021-02-04

Light curtain safety system

#27
20200371270
2020-11-26

Real-time, fine adjustment of driver current of a light emitting device of an optical rain sensor

#28
20200241165
2020-07-30

Multi-layered safety system

#29
20200182053
2020-06-11

Optical Computing Device Having A Redundant Light Source and Optical Train

#30
20200072413
2020-03-05

Power tool safety system

#31
20200018868
2020-01-16

Wireless power transmitter and receiver with cordless operation

#32
20190331829
2019-10-31

Retro-reflective sensor with multiple detectors

#33
20190310048
2019-10-10

Crossbow safety system

#34
20190288128
2019-09-19

Photoelectronic sensor and sensor system

#35
20190250304
2019-08-15

Robot arm mechanism

#36
20190235247
2019-08-01

Image adjustment for an eye tracking system

#37
20190204473
2019-07-04

Terahertz security check method and system comprising a marker identification module and a marker changing module

#38
20190052266
2019-02-14

Key of optical mechanical keyboard comprising a ring lock with a light transmission groove and a photoelectric switch on a circuit board

#39
20180347754
2018-12-06

Bagger safety system

#40
20180284321
2018-10-04

Retro-reflective sensor with multiple detectors

#41
20180138755
2018-05-17

Wireless power transmitter and receiver

#42
20180136364
2018-05-17

Light curtain safety system

#43
20180136335
2018-05-17

Diffusion safety system

#44
20180131449
2018-05-10

Multi-layered safety system

#45
20180123403
2018-05-03

Locating power receivers

#46
20180058197
2018-03-01

Distributed optical sensing using compressive sampling

#47
20180025614
2018-01-25

Light curtain protection system featuring a passive optical module

#48
20180003821
2018-01-04

Object detector, sensing device, and mobile apparatus

#49
20170371066
2017-12-28

Optoelectronic detection of objects by measurement of angular position to determine relative movement of a deflection unit

#50
20170090064
2017-03-30

Displacement measurements using a multi-cavity sensor

#51
20170052279
2017-02-23

Optical computing devices comprising broadband angle-selective filters

#52
20170039781
2017-02-09

Time-measuring system

#53
20170039780
2017-02-09

Timing system

#54
20160298809
2016-10-13

Time-of-flight safety photoelectric barrier and method of monitoring a protective field

#55
20160131797
2016-05-12

Device for detecting the position of watch hands

#56
20160076367
2016-03-17

OPTICAL COMPUTING DEVICE HAVING A REDUNDANT LIGHT SOURCE AND OPTICAL TRAIN

#57
20150377776
2015-12-31

Probe using ultraviolet and infrared radiation for multi-phase flow analysis

#58
20150369043
2015-12-24

FLUID ANALYSIS SYSTEM WITH INTEGRATED COMPUTATION ELEMENT FORMED USING ATOMIC LAYER DEPOSITION

#59
20150293257
2015-10-15

Downpipe sensor system and method for single grain recognition

#60
20150136963
2015-05-21

Immersion probe for multi-phase flow assurance

#61
20150102110
2015-04-16

Optoelectronic sensor and method for the detection of object information

#62
20140217266
2014-08-07

Method and system for sensing light reflective surfaces in a reflective photo-electric sensing system including a light channeling device and a foreground suppression performance

#63
20140034817
2014-02-06

Object detection apparatus with detection based on reflected light or scattered light via an imaging unit

#64
20130292555
2013-11-07

Apparatus and methods utilizing optical sensors operating in the reflection mode

#65
20130050710
2013-02-28

OBJECT DETECTING DEVICE AND INFORMATION ACQUIRING DEVICE

#66
20130044187
2013-02-21

3D CAMERA AND METHOD OF MONITORING A SPATIAL ZONE

#67
20130016336
2013-01-17

Immersion probe using ultraviolet and infrared radiation for multi-phase flow analysis

#68
20130009048
2013-01-10

Immersion probe for multi-phase flow assurance

#69
20090224137
2009-09-10

Light barrier with feedback control

#70
20090143664
2009-06-04

Identification mechanism for a component attached to a medical device

#71
20080074652
2008-03-27

Retroreflector-based system and method for detecting intrusion into a restricted area

#72
20070280670
2007-12-06

Optoelectronic protection device

#73
20070221824
2007-09-27

Device and method for identifying an object in or on a closable opening

#74
20070145272
2007-06-28

Optoelectronic apparatus and method of operating the optoelectronic apparatus in order to detect an object

#75
20060065819
2006-03-30

Photoelectric switch device having a detection result indicator

#76
20050230603
2005-10-20

Emitter-detector assembly for a reflex photoelectric object detection system

#77
18135511
2025-10-28

Techniques for dynamic object detection

#78
15215332
2017-09-12

Light curtain protection system featuring a passive optical module