ClassID:

165849

G01J1/18 - CPC Classification

Classification description:

Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value

Sub-classes:
Recent Application in this class:
#1
20260022973
2026-01-22

SYSTEMS FOR REAL-TIME LASER POWER MONITORING

#2
20250242754
2025-07-31

METHOD FOR MONITORING A TAILLIGHT, MONITORING SYSTEM AND VEHICLE

#3
20240379469
2024-11-14

ENDPOINT DETECTION IN LOW OPEN AREA AND/OR HIGH ASPECT RATIO ETCH APPLICATIONS

#4
20240319008
2024-09-26

DATA OUTPUT DEVICE

#5
20240288718
2024-08-29

METHOD OF DETECTING DEFECTIVE PIXELS IN ELECTRONIC DISPLAYS

#6
20230417596
2023-12-28

Balanced light detector

#7
20230268235
2023-08-24

Endpoint detection in low open area and/or high aspect ratio etch applications

#8
20230213383
2023-07-06

Data output device

#9
20230194915
2023-06-22

Method of detecting defective pixels in electronic displays

#10
20220393697
2022-12-08

Ambient light sensor circuits with a delta-sigma analog to digital converter with a switch network

#11
20220390275
2022-12-08

Underwater camera as light sensor

#12
20220316942
2022-10-06

System, apparatus and method for in situ polychromatic measurement of optical properties of topically applied sunscreen

#13
20220307898
2022-09-29

Light intensity detection circuit, light intensity detection method and light intensity detection apparatus

#14
20220239098
2022-07-28

Capacity estimator for an energy generation and/or storage system

#15
20220214212
2022-07-07

Optical measurement apparatus

#16
20220205838
2022-06-30

Balanced light detector

#17
20220085606
2022-03-17

Capacity estimator for an energy generation and/or storage system

#18
20220077682
2022-03-10

Capacity estimator for an energy generation and/or storage system

#19
20220042845
2022-02-10

INSPECTION DEVICE FOR EMERGENCY LIGHTING EQUIPMENT

#20
20210404869
2021-12-30

Data output device

#21
20210399547
2021-12-23

Capacity estimator for an energy generation and/or storage system

#22
20210293616
2021-09-23

Ambient light determination using physiological metric sensor data

#23
20210270668
2021-09-02

System, apparatus and method for in situ polychromatic measurement of optical properties of topically applied sunscreen

#24
20210255243
2021-08-19

Determining a voltage and/or frequency for a performance mode

#25
20210158765
2021-05-27

System, information processing apparatus, and non-transitory storage medium

#26
20210148833
2021-05-20

Soiling Measurement Device for Photovoltaic Arrays

#27
20210131863
2021-05-06

Ambient light determination using physiological metric sensor data

#28
20210063239
2021-03-04

METHOD AND SYSTEM FOR CALIBRATING LASER POWER

#29
20210055155
2021-02-25

Balanced light detector

#30
20200397616
2020-12-24

Arc time recording system for auto-darkening welding helmet

#31
20200225086
2020-07-16

Optical sensor arrangement and method for light sensing

#32
20200217714
2020-07-09

Detecting high intensity light in photo sensor

#33
20200103274
2020-04-02

Light obstruction sensor

#34
20200056937
2020-02-20

Object detector, sensing device, and mobile apparatus

#35
20200033482
2020-01-30

Image sensor and image capturing apparatus

#36
20200018640
2020-01-16

System, apparatus and method for in situ polychromatic measurement of optical properties of topically applied sunscreen

#37
20190368924
2019-12-05

Data output device

#38
20190221991
2019-07-18

Degradation detection for a pulsed laser

#39
20190212262
2019-07-11

Automatic analysis apparatus including a reaction container holding part having a surface that reflects light emitted from a light source

#40
20190212194
2019-07-11

Optical sensor arrangement and method for light sensing

#41
20190101442
2019-04-04

Method of ambient luminosity level detection, and corresponding sensor

#42
20190101439
2019-04-04

System and method for verifying the integrity of a radiation detector

#43
20190056264
2019-02-21

Detecting high intensity light in photo sensor

#44
20190018118
2019-01-17

Device for measuring a distance and method for measuring said distance

#45
20190013644
2019-01-10

Systems and methods for calibrating, operating, and setting a laser diode in a weapon

#46
20180360663
2018-12-20

Power saving welding helmet

#47
20180238734
2018-08-23

Methods and systems for modulation and demodulation of optical signals

#48
20180209845
2018-07-26

Spectrometer and spectrum measurement method thereof

#49
20180183209
2018-06-28

Systems and methods for calibrating, operating, and setting a laser diode in a weapon

#50
20180183208
2018-06-28

Systems and methods for calibrating, operating, and setting a laser diode in a weapon

#51
20180164155
2018-06-14

Ambient luminosity level detection

#52
20180143071
2018-05-24

Method for testing retinal implant

#53
20180142890
2018-05-24

Flame detecting system

#54
20180136123
2018-05-17

Compensating turbidity measuring device

#55
20180078140
2018-03-22

BIOLOGICAL SIGNAL DETECTION DEVICE

#56
20180058926
2018-03-01

Data output device

#57
20180027670
2018-01-25

Electronic device with screen-cleaning function

#58
20170366879
2017-12-21

PLANT MONITOR, METHOD AND APPARATUS FOR GENERATING INFORMATION

#59
20170356796
2017-12-14

Object detector, sensing device, and mobile apparatus

#60
20170356794
2017-12-14

Securing a light module comprising a laser source

#61
20170350751
2017-12-07

Light guiding device and electronic device having light conducting channels with at least one barrier object therein

#62
20170299430
2017-10-19

Aquarium photometer

#63
20170292874
2017-10-12

COMBINATORIAL LIGHT DEVICE FOR GENERAL LIGHTING AND LIGHTING FOR MACHINE VISION

#64
20170277149
2017-09-28

CONTROL DEVICE WITH AUTOMATIC ADJUSTMENT

#65
20170261373
2017-09-14

Light-detecting device and method for converting optical radiation on switched conductivity diodes

#66
20170191931
2017-07-06

Apparatus and method for inspecting material of an object

#67
20170179912
2017-06-22

Gain calibration for an imaging system

#68
20170023403
2017-01-26

Spatial light measuring method and spatial light measuring system

#69
20160346131
2016-12-01

Auto-darkening filter of welding shield

#70
20160202386
2016-07-14

Translucent object presence and condition detection based on detected light intensity

#71
20160202117
2016-07-14

Electromagnetic power measurement and reporting

#72
20160174912
2016-06-23

LONG TERM HARM DETECTION WEARABLE DEVICE

#73
20160109288
2016-04-21

Optical correlation for detection of point source objects

#74
20160056785
2016-02-25

Gain calibration for an imaging system

#75
20160003673
2016-01-07

Opto-electronic converter, image reading device, and image forming apparatus

#76
20150338274
2015-11-26

Offset current compensation for photodiodes

#77
20150338270
2015-11-26

Discriminating photo counts and dark counts in an avalanche photodiode

#78
20150338269
2015-11-26

Offset current compensation for photodiodes

#79
20150338268
2015-11-26

Combinatorial light device for general lighting and lighting for machine vision

#80
20150323382
2015-11-12

Light-detecting device and method for converting optical radiation on switched conductivity diodes

#81
20150316411
2015-11-05

Method and System for Intrinsic LED Heating for Measurement

#82
20150308889
2015-10-29

System for field measurement and calibration of photovoltaic reference devices

#83
20150268094
2015-09-24

Ambient luminosity level detection

#84
20150253456
2015-09-10

Translucent object presence and condition detection based on detected light intensity

#85
20150168212
2015-06-18

OPTICAL ANALYSIS DEVICE, OPTICAL ANALYSIS METHOD AND COMPUTER PROGRAM FOR OPTICAL ANALYSIS, USING AN OPTICAL SYSTEM OF A CONFOCAL MICROSCOPE OR A MULTIPHOTON MICROSCOPE

#86
20150168211
2015-06-18

Correction device and correction method for light reception power monitor

#87
20150108328
2015-04-23

Detector system and module for compensating dark current

#88
20150102207
2015-04-16

Display device and method for driving display device

#89
20150083896
2015-03-26

Optical sensor arrangement and method for light sensing

#90
20150001379
2015-01-01

Imaging device comprising a circuit for analog-digital conversion by means of the injection of a quantity of charges that varies as a function of the number of previous injections

#91
20140374622
2014-12-25

High resolution, wide dynamic range microfluidic detection system

#92
20140363207
2014-12-11

Light beam detection circuit, light beam scan unit and image forming apparatus to detect light beam that changes light-amount thereof

#93
20140240717
2014-08-28

Apparatus and method of using a light conduit in a position detector

#94
20140218752
2014-08-07

Lens position detecting circuit and method

#95
20140117214
2014-05-01

Ambient luminosity level detection based on discharge times

#96
20140117200
2014-05-01

Optical communication reception system

#97
20140111814
2014-04-24

Photoelectric sensor

#98
20140110561
2014-04-24

Method and apparatus for controlling amount of light in visible light communication system

#99
20140077084
2014-03-20

Sensitivity adjustment device

#100
20140061440
2014-03-06

Ambient light sensing device and method

#101
20130328841
2013-12-12

Backlight calibration and control

#102
20130322876
2013-12-05

Optical communication reception system

#103
20130299673
2013-11-14

Discriminating photo counts and dark counts in an avalanche photodiode output

#104
20130256507
2013-10-03

Photodetector circuit

#105
20130207006
2013-08-15

Measuring Transducer for Detecting the Formation of Foam on a Liquid

#106
20130194587
2013-08-01

Lens position detecting circuit

#107
20130187029
2013-07-25

Photodetector control circuit to control drive of a photodiode and current detection of a phototransistor

#108
20130153753
2013-06-20

Light sensing apparatus and adjustment method thereof

#109
20130147394
2013-06-13

Method of detecting and controlling perceptual flicker

#110
20130134298
2013-05-30

Radiation detection device with improved illumination range having a photodetector that operates in two detecting modes

#111
20130126716
2013-05-23

Pixel Circuit, depth sensor having dual operating mode for high and low incident light and operating method

#112
20130105670
2013-05-02

PULSED LASER SIGNAL DISRUPTING DEVICE INCORPORATING LED ILLUMINATOR

#113
20130101161
2013-04-25

METHOD AND DEVICE FOR DISTINGUISHING A SELF-LUMINOUS OBJECT FROM A REFLECTING OBJECT

#114
20130015331
2013-01-17

Device and method for detecting light

#115
20130015330
2013-01-17

Device for ambient light compensation for optical sensors exposed to both useful light and ambient light

#116
20120292488
2012-11-22

OPTICAL SHUTTER DIMMING HELMET VISOR

#117
20120280626
2012-11-08

Method and system for adjusting brightness

#118
20120256081
2012-10-11

Receiving circuit having a switch for changing the generated reference voltage to one of a first and a second threshold value

#119
20120241285
2012-09-27

Mailing machine having optical sensors with improved immunity to ambient

#120
20120221264
2012-08-30

Apparatus and method for determining sparkle

#121
20120138777
2012-06-07

Optical interruption sensor with opposed light emitting diodes

#122
20120113291
2012-05-10

Photo-sensor, measurement apparatus and camera system

#123
20120112919
2012-05-10

Dust level sensor arrangement for dust collection system

#124
20120068608
2012-03-22

Color and position auto-commissioning

#125
20110299068
2011-12-08

Luminous flux depreciation notification system for light fixtures incorporating light emitting diode sources

#126
20110271697
2011-11-10

Vehicle air-conditioning system

#127
20110265840
2011-11-03

SOLAR PANEL EFFICIENCY ESTIMATOR

#128
20110260629
2011-10-27

Illuminance sensor, and electronic equipment and semiconductor device using the same

#129
20110215224
2011-09-08

Photoelectric conversion apparatus

#130
20110205209
2011-08-25

Display device and method for driving display device

#131
20110149274
2011-06-23

Intensity estimation using binary sensor array with spatially varying thresholds

#132
20110141078
2011-06-16

Ambient light detection

#133
20110132985
2011-06-09

Systems and methods for weigh scale perimeter monitoring scanner-scales

#134
20110123101
2011-05-26

Indoor-outdoor detector for digital cameras

#135
20110114825
2011-05-19

Ambient light sensor

#136
20110057105
2011-03-10

Motion detection system and method

#137
20110042554
2011-02-24

Light Sensor with Integrated Temperature Sensor Functionality

#138
20110012878
2011-01-20

Light sensor test unit, method of testing light sensor using the same and display apparatus

#139
20100301194
2010-12-02

Optical receiver comprising breakdown-voltage compensation

#140
20100272462
2010-10-28

Image forming apparatus having an optical sensor

#141
20100259570
2010-10-14

Optical detection device, and image display device

#142
20100253616
2010-10-07

Photodetection device and image display device

#143
20100219789
2010-09-02

Method and apparatus for energy harvesting using CMOS sensor

#144
20100187405
2010-07-29

Photoelectric conversion device and manufacturing method thereof

#145
20100102990
2010-04-29

Light source discriminating apparatus, a light source discriminating program, a vehicles detection apparatus, and a light control apparatus

#146
20100102228
2010-04-29

Image recording apparatus and control method thereof

#147
20100096534
2010-04-22

Systems and methods for adjustably detecting ultra-violet radiation

#148
20100039547
2010-02-18

Photo-sensor, measurement apparatus and camera system

#149
20100037373
2010-02-18

Method of detecting and controlling perceptual flicker

#150
20100006749
2010-01-14

Closed loop daylight harvesting light control system having auto-calibration

#151
20100006745
2010-01-14

Light grid having photoreceivers and programmable logic unit

#152
20090312987
2009-12-17

Ambient Light Sensor and Electronic Equipment

#153
20090296078
2009-12-03

Light intensity detecting methods and devices, display devices and storage media

#154
20090174552
2009-07-09

Digital occupancy sensor light control

#155
20090160830
2009-06-25

PHOTODETECTION SEMICONDUCTOR DEVICE, PHOTODETECTOR, AND IMAGE DISPLAY DEVICE

#156
20090152444
2009-06-18

Ambient light sensor

#157
20090152441
2009-06-18

Light sensor test unit of testing a light sensor that senses an external light, method of testing light sensor using the same and display apparatus

#158
20090141332
2009-06-04

Electrooptical apparatus, electronic device, and apparatus and method for detecting outside light

#159
20090121925
2009-05-14

Energy Emission Event Detection

#160
20090121641
2009-05-14

Illumination system and illumination control method for adaptively adjusting color temperature

#161
20090094721
2009-04-16

AUTOMATED SENSITIVITY SETTING FOR AN AUTO-DARKENING LENS IN A WELDING HELMET

#162
20080224027
2008-09-18

Display device

#163
20080197267
2008-08-21

Photo detector apparatus

#164
20080179497
2008-07-31

Ambient light sensing using a color sensor

#165
20080143989
2008-06-19

Method and arrangement for stabilizing the average emitted radiation output of a pulsed radiation source

#166
20080135727
2008-06-12

Photo-detector filter having a cascaded low noise amplifier

#167
20080128591
2008-06-05

Intensity detector circuitry using a cascade of gain elements

#168
20080106918
2008-05-08

Photocurrent sensing circuit converting an illumination of visible light into an electric signal as well as photosensor and electronic device with the photocurrent sensing circuit

#169
20080068597
2008-03-20

Method of calibrating monochromatic light beams outputted by light emitting diodes and related light emitting diode control system

#170
20070152158
2007-07-05

System and method for fire detection

#171
20070081149
2007-04-12

Light amount measurement device and light amount measurement method

#172
20070034776
2007-02-15

Active search sensor and a method of detection using non-specular reflections

#173
20070012869
2007-01-18

Low power glare sensor

#174
20060278808
2006-12-14

Closed loop daylight harvesting light control system having auto-calibration

#175
20060261253
2006-11-23

Photoelectric conversion device and manufacturing method thereof

#176
20060232774
2006-10-19

Method for Generation of a Digital Output Signal of a Photosensor and Its Design

#177
20060226371
2006-10-12

Ultraviolet Detection Device For A Mobile Communication Device

#178
20060219920
2006-10-05

IR Camera

#179
20060214089
2006-09-28

Method and apparatus for real time output monitoring of light sources and flexible sensitivity adjustment of light sensors

#180
20060055932
2006-03-16

Self-referencing instrument and method thereof for measuring electromagnetic properties

#181
20060006319
2006-01-12

Light sensor configurations for automatic vehicle equipment control having an integrally formed encapsulant

#182
20060001547
2006-01-05

Apparatus and method for monitoring the output of a warning or indicator light

#183
20050269532
2005-12-08

System and method for indicating liquid level condition

#184
20050269486
2005-12-08

Optical sensor, output processing method of optical sensor, display device, and electronic apparatus

#185
20050045807
2005-03-03

Photoelectric current and voltage converting circuit

#186
20050001729
2005-01-06

System and method for fire detection

#187
17901576
2023-01-03

Optical fiber center and field of view detection