ClassID:

165793

G01J1/0429 - CPC Classification

Classification description:

Photometry, e.g. photographic exposure meter; Details; Optical or mechanical part supplementary adjustable parts; Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using polarisation elements

Recent Application in this class:
#1
20260118163
2026-04-30

DETECTION DEVICE

#2
20260085971
2026-03-26

OPTICAL MEASUREMENT SYSTEMS WITH SELECTIVE POLARIZATION

#3
20260063472
2026-03-05

Integral Field Spectral Imager

#4
20250297890
2025-09-25

MEASUREMENT DEVICE

#5
20250217112
2025-07-03

DEVICE FOR QUANTUM RANDOM NUMBER GENERATION AND METHOD FOR VERIFICATION OF PRIVACY OF RANDOM NUMBER SEQUENCES GENERATED BY MEANS THEREOF

#6
20250130101
2025-04-24

CONDITIONING DEVICE FOR REDUCING POSITIONAL SENSITIVITY OF LASER BEAM ON PHOTODETECTOR AND METHOD OF USING THE SAME

#7
20250093950
2025-03-20

BEAM WALKING DETECTION FOR EYE TRACKING IN A HEAD-MOUNTED DEVICE

#8
20250003795
2025-01-02

INTEGRATED OPTICAL SYSTEM-BASED OPTICAL DETECTION DEVICE

#9
20240333486
2024-10-03

QUANTUM KEY DISTRIBUTION INFORMATION LEAKAGE DUE TO BACKFLASHES IN SINGLE PHOTON AVALANCHE PHOTODIODES

#10
20240230402
2024-07-11

Integral Field Spectral Imager

#11
20240125993
2024-04-18

METHOD OF GENERATING A SPATIALLY LIMITED FILM STACK ON A LIGHT SENSOR ELEMENT

#12
20240120360
2024-04-11

METHOD AND SYSTEM FOR LIGHT ABSORPTION ENHANCEMENT IN PHOTODIODES USING ON-CHIP PHASE MODULATING THIN-FILM OPTICS, RESONANT STRUCTURES AND METASURFACES

#13
20240008305
2024-01-04

Display device and optical inspection method for the same

#14
20230228621
2023-07-20

Ambient light sensing

#15
20230132822
2023-05-04

Optical system for generating arbitrary-order optical vortex arrays and finite optical lattices with defects

#16
20230122157
2023-04-20

Illuminance sensor, electronic machine and 2D image sensor

#17
20230095993
2023-03-30

IMAGE FOLLOWING INFORMATION DETECTING DEVICE, IMAGE FOLLOWING DEVICE, IMAGE FOLLOWING INFORMATION DETECTING METHOD, AND IMAGE FOLLOWING METHOD

#18
20220364912
2022-11-17

Beam detectors

#19
20220146305
2022-05-12

Laser absorptivity measurement device

#20
20220120609
2022-04-21

ELECTRONIC DEVICE

#21
20220077429
2022-03-10

Display device and optical inspection method for the same

#22
20220042844
2022-02-10

Biosensor and bio detection system

#23
20210381887
2021-12-09

System and method for determining a photon statistic measurement of a pulsed light source using an unbalanced beamsplitter

#24
20210325963
2021-10-21

Systems and methods for eye tracking

#25
20210310862
2021-10-07

LASER ENERGY MEASURING DEVICE, AND LASER ENERGY MEASURING METHOD

#26
20210263070
2021-08-26

Assembly for detecting the intensity distribution of components of the electromagnetic field in beams of radiation

#27
20210233444
2021-07-29

Light modulated photodiode-based display monitor system

#28
20210232216
2021-07-29

Eye tracking system for head-mounted display devices

#29
20210131867
2021-05-06

Method and system for improving counting rate of superconducting nanowire single photon detector

#30
20210116294
2021-04-22

Energy measuring apparatus and excimer laser apparatus

#31
20210075602
2021-03-11

Quantum key distribution information leakage due to backflashes in single photon avalanche photodiodes

#32
20210041288
2021-02-11

Electronic devices with light sensor system having polarized light source and light detector to detect reflected light used to determine reflectivity of an object

#33
20200326453
2020-10-15

PHOTO EYE CIRCUIT WITH BREWSTER POLARIZER

#34
20200244449
2020-07-30

Quantum key distribution information leakage due to backflashes in single photon avalanche photodiodes

#35
20200191648
2020-06-18

Light sensor and terminal device

#36
20190360861
2019-11-28

Bell state measurement apparatus based on single-mode optical fiber

#37
20190190706
2019-06-20

Quantum key distribution information leakage due to backflashes in single photon avalanche photodiodes

#38
20190137345
2019-05-09

Camera using photosensitive device

#39
20190095676
2019-03-28

Optical sensor for integration over a display backplane

#40
20180357462
2018-12-13

Systems and methods for reducing unwanted reflections in display systems incorporating an under display biometric sensor

#41
20180357460
2018-12-13

Systems and methods for optical sensing using point-based illumination

#42
20180087965
2018-03-29

Electro-optic terahertz detector

#43
20180052059
2018-02-22

Light beam measurement device, laser apparatus, and light beam separator

#44
20180047600
2018-02-15

Sensing method and sensing system

#45
20180026185
2018-01-25

Far-infrared detection using Weyl semimetals

#46
20180003555
2018-01-04

Arc light sensor and arc light detection method

#47
20170328048
2017-11-16

Water discharge apparatus and photoelectric sensor

#48
20170284863
2017-10-05

Light detection device including light detector, light coupling layer, and polarizer array, and light detection system including same

#49
20170261760
2017-09-14

Light modulation device and optical system having increased light use efficiency by correcting phase difference due to an optical path difference between two optical paths

#50
20170212611
2017-07-27

Detector for a display

#51
20170211986
2017-07-27

Photosensitive device and camera using the same

#52
20170211985
2017-07-27

Device for detecting optical wavelength

#53
20170211981
2017-07-27

Method for detecting optical wavelength

#54
20170191636
2017-07-06

Lighting device having at least one light sensor

#55
20170184449
2017-06-29

Imaging device and method

#56
20170161544
2017-06-08

Optical sensor for integration over a display backplane

#57
20170122804
2017-05-04

AVALANCHE PHOTODIODE IN A PHOTONIC INTEGRATED CIRCUIT WITH A WAVEGUIDE OPTICAL SAMPLING DEVICE

#58
20170115160
2017-04-27

Polarization filtering for window self-emission due to aero-thermal heating

#59
20170075050
2017-03-16

Imaging device

#60
20160370176
2016-12-22

DISPLACEMENT SENSOR

#61
20160349144
2016-12-01

Method and system for non-contact optical-power measurement

#62
20160341547
2016-11-24

Orientation variation measurement system, satellite, and orientation variation measurement method

#63
20160209274
2016-07-21

Phase measurement by phase transfer

#64
20160146666
2016-05-26

Electric field vector detection method and electric field vector detection device

#65
20160146592
2016-05-26

SPATIAL MOTION SENSING DEVICE AND SPATIAL MOTION SENSING METHOD

#66
20160103015
2016-04-14

Circular polarization filter and application therefor

#67
20160077336
2016-03-17

Device and method for the near-eye display of computer generated images

#68
20160076994
2016-03-17

Optical integrity detection system

#69
20160076944
2016-03-17

Light beam measurement device, laser apparatus, and light beam separator

#70
20160061656
2016-03-03

Measurement device for obtaining amplitude information of an object

#71
20150377703
2015-12-31

Method for making wavelength-selective, integrated resonance detector for electromagnetic radiation

#72
20150316832
2015-11-05

TERAHERTZ-WAVE GENERATION DEVICE AND MEASUREMENT APPARATUS INCLUDING THE SAME

#73
20150308891
2015-10-29

Optical spectrometer

#74
20150292938
2015-10-15

System for non-contact optical-power measurement

#75
20150168210
2015-06-18

Multifunction imager

#76
20150138554
2015-05-21

Method and system for page detection using light attenuators

#77
20150136945
2015-05-21

Light sources with highly stable output intensity

#78
20150123018
2015-05-07

System and method for generating extreme ultraviolet light

#79
20150122978
2015-05-07

Ambient light sensor with internal light cancellation

#80
20150060647
2015-03-05

Urine sample analyzing method and sample analyzer including classifying epithelial cells into at least two types based on the change of polarization condition

#81
20150042992
2015-02-12

Volume imaging

#82
20140332663
2014-11-13

Compact detection array having improved polarization conditions

#83
20140319357
2014-10-30

Electromagnetic wave detector and electromagnetic wave detector array

#84
20140291496
2014-10-02

Modular optics for scanning engine having beam combining optics with a prism intercepted by both beam axis and collection axis

#85
20140285804
2014-09-25

Laser output measuring apparatus

#86
20140001347
2014-01-02

Rotator external to photonic integrated circuit

#87
20130313416
2013-11-28

Display device and optical inputting device with retarders

#88
20130292789
2013-11-07

Optically transitioning thermal detector structures

#89
20130228674
2013-09-05

Optical sensor and image forming apparatus configured to detect inside diffusely-reflected light

#90
20130153767
2013-06-20

Wavelength-selective, integrated resonance detector for electromagnetic radiation

#91
20130119232
2013-05-16

System and method for generating extreme ultraviolet light

#92
20130075585
2013-03-28

SOLID IMAGING DEVICE

#93
20120154806
2012-06-21

Optical inspection system with polarization isolation of detection system reflections

#94
20120112093
2012-05-10

System and method for measuring depolarization

#95
20110266445
2011-11-03

Optically transitioning thermal detector structures

#96
20110266443
2011-11-03

Pixel-level optical elements for uncooled infrared detector devices

#97
20110261436
2011-10-27

Method of modifying light with silicone (meth) acrylate copolymers

#98
20110242526
2011-10-06

Light directionality sensor

#99
20110090501
2011-04-21

Assembly for monitoring power of randomly polarized light

#100
20110090431
2011-04-21

Light receiving device, light receiving device manufacturing method, and light receiving method

#101
20110013179
2011-01-20

Controllable light angle selector

#102
20100253661
2010-10-07

Display device with UV detecting function and electronic apparatus equipped with the same

#103
20090294684
2009-12-03

Ultraviolet intensity detecting method, fabricating display apparatus method and display apparatus using the same

#104
20090262348
2009-10-22

Method of modifying light with silicone (meth)acrylate copolymers

#105
20090057536
2009-03-05

Image sensor and electromagnetic radiation imaging device

#106
20080079939
2008-04-03

INSTRUMENT FOR MEASURING THE ANGULAR DISTRIBUTION OF LIGHT PRODUCED BY AN ILLUMINATION SYSTEM OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS

#107
20070076203
2007-04-05

EXPOSURE APPARATUS

#108
20060289729
2006-12-28

Light intensity detector

#109
20060113929
2006-06-01

Motor control for flux-reduced braking

#110
17660062
2022-11-08

Apparatus for single-pixel imaging with quantum light

#111
15393191
2018-12-11

Quad tracker with birefringent optics