ClassID:

165775

G01J1/0252 - CPC Classification

Classification description:

Photometry, e.g. photographic exposure meter; Details Constructional arrangements for compensating for fluctuations caused by, e.g. temperature, or using cooling or temperature stabilization of parts of the device; Controlling the atmosphere inside a photometer; Purge systems, cleaning devices

Recent Application in this class:
#1
20250347557
2025-11-13

TRAILER LIGHT DETECTOR APPLICABLE TO MULTIPLE TYPES AND DETECTION METHOD THEREOF

#2
20250327703
2025-10-23

VIBRATORY SYSTEM FOR PROTECTING A SENSOR AGAINST BIOFOULING BY AQUATIC MICROORGANISMS

#3
20250321139
2025-10-16

Optical Sensor

#4
20250244167
2025-07-31

SYSTEMS AND DEVICES FOR DIGITAL-DOMAIN TEMPERATURE COMPENSATION IN LOGARITHMIC TRANSIMPEDANCE AMPLIFIERS

#5
20250155280
2025-05-15

Emitter Module for an LED Illumination Device

#6
20240402007
2024-12-05

THERMALLY COUPLED IMAGER FOR PERFORMING TIME AND POSITION SENSITIVE IMAGING OF SINGLE PHOTONS

#7
20240385073
2024-11-21

DEVICE FOR MEASURING THE PERFORMANCE OF AN OPTICAL DETECTOR, AND ASSOCIATED MEASURING METHOD

#8
20240361181
2024-10-31

Superconducting single photon detector with photon number resolution

#9
20240341019
2024-10-10

-SIllumination Device and Method for Calibrating an Illumination Device Over Changes in Temperature, Drive Current, and Time

#10
20240337527
2024-10-10

Emitter module for an LED illumination device

#11
20240280671
2024-08-22

TRIANGULATION SENSOR

#12
20240159584
2024-05-16

Techniques for laser beam sensing and profiling using temperature-sensitive structures

#13
20240118132
2024-04-11

SYSTEM FOR DETECTING ELECTROMAGNETIC RADIATION AND COOLING METHOD

#14
20230422376
2023-12-28

Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time

#15
20230392982
2023-12-07

PHOTOELECTRIC DETECTION DEVICE WITH SEALED DESIGN AND UNDISTORTED PHOTOELECTRIC SIGNALS, AND IMPLEMENTATION METHOD THEREOF

#16
20230349753
2023-11-02

Emitter module for an LED illumination device

#17
20230314210
2023-10-05

Connected epitaxial optical sensing systems

#18
20230258495
2023-08-17

System For Testing Under Controlled Emulated Atmospheric Conditions

#19
20230251128
2023-08-10

LASER LIGHT PROFILE MEASURING DEVICE AND LASER LIGHT PROFILE MEASURING METHOD

#20
20230124939
2023-04-20

OPTICAL LENS ASSEMBLY AND OPTICAL MEASUREMENT METHOD

#21
20230104850
2023-04-06

Cover for infrared sensor and method of manufacturing cover for infrared sensor

#22
20230082922
2023-03-16

Triangulation sensor comprising a first optical communication device defines a first translation plane and secured in a particular position along the plane

#23
20230070657
2023-03-09

Electro-optical infrared window for hypersonic applications

#24
20220416143
2022-12-29

Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, and light sensor

#25
20220326072
2022-10-13

Techniques for laser beam sensing and profiling using temperature-sensitive structures

#26
20220283024
2022-09-08

Handheld electronic device

#27
20220196467
2022-06-23

Pyranometer and method of assembling a pyranometer

#28
20220196466
2022-06-23

Pyranometer

#29
20220170785
2022-06-02

Electromagnetic wave module and electromagnetic wave camera system using the same

#30
20220167479
2022-05-26

Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time

#31
20220155142
2022-05-19

Emitter module for an LED illumination device

#32
20220155141
2022-05-19

Optical sensor

#33
20220074790
2022-03-10

System and method for disposable imaging system

#34
20220065695
2022-03-03

Method of characterizing an optical sensor chip, method of calibrating an optical sensor chip, method of operating an optical sensor device, optical sensor device and calibration system

#35
20220042906
2022-02-10

In-line compact measuring device

#36
20220026268
2022-01-27

Light detection device having temperature compensated gain in avalanche photodiode

#37
20220011157
2022-01-13

Connected epitaxial optical sensing system comprising a trench deeper than a waveguide of a light source electrically isolates the light source and a detector

#38
20210382301
2021-12-09

Apparatus for measuring optical characteristics of a test optical element under low-temperature environment

#39
20210222549
2021-07-22

Cooled single-photon detector apparatus and methods

#40
20210213883
2021-07-15

Foreign object detecting system and method

#41
20210210439
2021-07-08

Defense circuit of semiconductor device and semiconductor device including the same

#42
20210102838
2021-04-08

Systems and methods for superconducting quantum refrigeration

#43
20210102735
2021-04-08

Optical refrigerator and sensor including such a refrigerator

#44
20210096021
2021-04-01

System for testing under controlled emulated atmospheric conditions

#45
20210063539
2021-03-04

Triangulation sensor with a first metal lens barrel disposed in a first barrel mounting channel

#46
20210007192
2021-01-07

Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time

#47
20200386613
2020-12-10

Emitter module for an LED illumination device

#48
20200309593
2020-10-01

Connected epitaxial optical sensing systems comprising a second epitaxial chip with a second light source and a second detector to detect light of a first light source

#49
20200249084
2020-08-06

LIGHT DETECTOR

#50
20200132541
2020-04-30

Optical measurement stability control system

#51
20200041336
2020-02-06

INFRARED DETECTION DEVICE

#52
20190353516
2019-11-21

Fast and precise wavelength and power measurements technique for continuous wave, modulated, and pulsed monochromatic radiation

#53
20190257688
2019-08-22

Photonic apparatus with bias control to provide substantially constant responsivity of a photodetector

#54
20190250032
2019-08-15

Bendable substrate with a device

#55
20190170571
2019-06-06

Emitter module for an LED illumination device

#56
20190137335
2019-05-09

High energy power measurement systems and methods

#57
20190094071
2019-03-28

Device and method of measuring absorbed energy-momentum symmetry

#58
20190086257
2019-03-21

Light/voltage converter circuit for converting intensity fluctuations of light into an alternating voltage measurement signal

#59
20190060863
2019-02-28

Moisture and hydrogen-absorbing getter and method for manufacturing same

#60
20190025115
2019-01-24

Infrared sensor

#61
20180369913
2018-12-27

Power meter systems for additive manufacturing machines

#62
20180369871
2018-12-27

Sorting apparatus

#63
20180351006
2018-12-06

INFRARED SENSOR

#64
20180306643
2018-10-25

Method for measuring light intensity distribution

#65
20180266945
2018-09-20

THz bolometer detector

#66
20180266879
2018-09-20

Ambient light sensor with photodiode leakage current compensation

#67
20180238733
2018-08-23

Infrared detection device

#68
20180209841
2018-07-26

Systems and methods for calibrating an optical distance sensor

#69
20180195896
2018-07-12

System and method for disposable infrared imaging system

#70
20180172504
2018-06-21

3D imaging optoelectronic module

#71
20180160499
2018-06-07

Temperature compensation in optical sensing system

#72
20180156731
2018-06-07

Wide-angle emission filter, optical sensor assembly having the same, PCR system having the same, and method of manufacturing the same

#73
20180110890
2018-04-26

ULTRAVIOLET LIGHT STERILIZER

#74
20180039057
2018-02-08

Detector device with improved signal-to-noise ratio comprising a detector in a housing moveable against a force of a spring device

#75
20180003559
2018-01-04

Detector control and data acquisition with custom application specific integrated circuit (ASIC)

#76
20170351049
2017-12-07

Optoelectronic module including lens barrel comprising flanges and adhesive thereon and resting directly on a cover glass

#77
20170347419
2017-11-30

Temperature compensation in optical sensing system

#78
20170322073
2017-11-09

Optical detecting device having gas emission and gas pressure reduction function

#79
20170317220
2017-11-02

Graphene-based bolometer

#80
20170261712
2017-09-14

Optoelectronic transducer with integrally mounted thermoelectric cooler

#81
20170219426
2017-08-03

Systems and methods for calibrating an optical distance sensor

#82
20170205281
2017-07-20

Cooling device comprising an improved cold finger

#83
20170191868
2017-07-06

Devices and methods for infrared reference pixels

#84
20170191867
2017-07-06

INTEGRATING SPHERE COVER AND INTEGRATING SPHERE MODULE

#85
20170184447
2017-06-29

Particle sensor

#86
20170138787
2017-05-18

Laser power sensor

#87
20170131139
2017-05-11

Foreign substance prevention apparatus

#88
20170108373
2017-04-20

METHODS AND APPARATUS FOR IMPROVED SENSOR VIBRATION CANCELLATION

#89
20170108248
2017-04-20

Joule Thomson aided Stirling cycle cooler

#90
20170105260
2017-04-13

Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time

#91
20170016762
2017-01-19

Infrared sensing devices and methods

#92
20160273959
2016-09-22

Low-power APD bias controller, bias control method, and photoelectric receiver

#93
20160223392
2016-08-04

Dome coating for countermeasure anti-icing functionality

#94
20150382425
2015-12-31

Illumination device and method for calibrating and controlling an illumination device comprising a phosphor converted LED

#95
20150377699
2015-12-31

Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time

#96
20150377695
2015-12-31

Emitter module for an LED illumination device

#97
20150355018
2015-12-10

Radiometers for measuring circumsolar profiles

#98
20150308889
2015-10-29

System for field measurement and calibration of photovoltaic reference devices

#99
20150276472
2015-10-01

Electronic device with high electrostatic protection

#100
20150253250
2015-09-10

Luminescence measuring device

#101
20150212285
2015-07-30

Optical module, method for manufacturing optical module, and optical transceiver

#102
20150185070
2015-07-02

Photoelectric converting module and method for assembling same with curable adhesive

#103
20150092186
2015-04-02

Ambient light detection and data processing

#104
20140312240
2014-10-23

Flame detector

#105
20140299748
2014-10-09

Light sensing device

#106
20140240698
2014-08-28

Method for correcting for dark current variation in TEC cooled photodiodes

#107
20140168639
2014-06-19

Laser patterning examining apparatus

#108
20140166910
2014-06-19

Arrangement for optical measuring of one or more physical, chemical and/or biological, process variables of a medium

#109
20140123684
2014-05-08

Cryogenic cooling apparatuses and systems

#110
20130341619
2013-12-26

Photodiode-type ultraviolet sensor having a stacked structure and method for producing the same

#111
20130334408
2013-12-19

Cooled optical light guide for low-level light detectors and method of temperature stabilization for imaging detectors

#112
20130334111
2013-12-19

Self-cleaning lens

#113
20130307549
2013-11-21

INSTRUMENT FOR MEASURING LED LIGHT SOURCE

#114
20130221219
2013-08-29

Electromagnetic interference protection structure

#115
20130220014
2013-08-29

Spectroscopic instrument

#116
20130032705
2013-02-07

Radiometers having an opaque, elongated member rotationally obstructing a light path to a light detector for measuring circumsolar profiles

#117
20120306527
2012-12-06

Testing LED light sources

#118
20120273680
2012-11-01

Chemical leak inspection system

#119
20120235041
2012-09-20

Absolute cavity pyrgeometer

#120
20120140472
2012-06-07

Calibration light source

#121
20120140059
2012-06-07

Inspection machine, inspecting method and inspecting system

#122
20110271697
2011-11-10

Vehicle air-conditioning system

#123
20110156190
2011-06-30

ELECTRONIC COMPONENT

#124
20110120539
2011-05-26

ON-WINDOW SOLAR-CELL HEAT-SPREADER

#125
20110032614
2011-02-10

Optoelectronic detector assembly and method of operating same

#126
20110030728
2011-02-10

Radiometer including a cleaning system

#127
20100277624
2010-11-04

System and method for canceling dark photocurrent in a color sensor circuit

#128
20100220069
2010-09-02

Light sensing circuit having a controlled light sensing period or a controlled current output period according to ambient temperature, method of controlling the same, and touch panel comprising the light sensing circuit

#129
20100073011
2010-03-25

LIGHT SOAKING SYSTEM AND TEST METHOD FOR SOLAR CELLS

#130
20100051795
2010-03-04

Radiation detecting apparatus, radiation image capturing system,and temperature compensating method

#131
20100027583
2010-02-04

Detector

#132
20090103097
2009-04-23

Window cleanliness detection system

#133
20090101792
2009-04-23

WIRELESS ILLUMINATION SENSING ASSEMBLY

#134
20090016390
2009-01-15

Light source device, image display apparatus, and monitor apparatus

#135
20090014656
2009-01-15

Wavelength-conversion system with a heated or cooled wavelength-conversion target

#136
20080204884
2008-08-28

Integrating sphere having means for temperature control

#137
20080203308
2008-08-28

CAR SIDE MIRROR EQUIPPED WITH THERMAL INFRARED CAMERA

#138
20080164429
2008-07-10

Bolometric device with receiving cavity for measuring the power of a beam of high frequency microwaves and process for coating the internal surface of said cavity

#139
20080144021
2008-06-19

System and method for testing a lighting diode

#140
20080128588
2008-06-05

Temperature control apparatus and method, and program

#141
20080001070
2008-01-03

Display device and control method therefor

#142
20070279616
2007-12-06

Photometric apparatus

#143
20070090272
2007-04-26

Light emitting apparatus for medical applications

#144
20070034978
2007-02-15

Photonic crystal emitter, detector and sensor

#145
20070029198
2007-02-08

Thermoresponsive sensor comprising a polymer solution

#146
20060231761
2006-10-19

Bolometric detector, device for detecting submillimetric and millimetric electromagnetic waves that uses such a detector

#147
20060219924
2006-10-05

Infrared imaging sensor and vacuum packaging method thereof

#148
20060208180
2006-09-21

Apparatus for measuring photo diodes' temperature dependence

#149
20060132779
2006-06-22

Process photometer

#150
20060091310
2006-05-04

Methods for performing inspections and detecting chemical leaks using an infrared camera system

#151
20060036069
2006-02-16

Thermoresponsive sensor comprising a polymer solution

#152
20060006339
2006-01-12

Radiation sensor device and fluid treatment system containing same

#153
20050270776
2005-12-08

Radiance output and temperature controlled LED radiance source

#154
20050259250
2005-11-24

Method for measuring a spectrum of a sample by means of an infrared spectrometer and infrared spectrometer of this type

#155
20050200732
2005-09-15

System and method for canceling dark photocurrent in a color sensor circuit

#156
20050051726
2005-03-10

Superconducting single photon detector

#157
20050023467
2005-02-03

Photodetector for weak light with UV transparent substrates

#158
18128948
2024-08-27

Circuits and methods for wavelength locking of optical receiver WDM filters

#159
13486237
2014-12-16

UV radiation detector with a replaceable secondary window