ClassID:

165902

G01J2001/4473 - CPC Classification

Classification description:

Photometry, e.g. photographic exposure meter using electric radiation detectors; Electric circuits; Type of detector Phototransistor

Recent Application in this class:
#1
20260110574
2026-04-23

PHOTONIC COMPUTING

#2
20250347556
2025-11-13

PHOTONIC COMPUTING

#3
20250347555
2025-11-13

PHOTONIC COMPUTING

#4
20250301808
2025-09-25

LIGHT DETECTING DEVICES WITH DOPED TRANSFER GATES AND SYSTEMS AND METHODS FOR THE SAME

#5
20250277695
2025-09-04

Laser Detector Capable of Detecting a Laser Signal According to a Transient Voltage Fluctuation

#6
20250251278
2025-08-07

ARM-WORN DRIVER SIDE SKIN SUN DAMAGE PROTECTIVE DEVICE

#7
20250068111
2025-02-27

IMAGE FORMING APPARATUS, DETERIORATION STATE DETERMINATION METHOD, AND NON -TRANSITORY COMPUTER - READABLE RECORDING MEDIUM

#8
20240385034
2024-11-21

Protective band to prevent skin damage to drivers

#9
20240369404
2024-11-07

All-Optical Epsilon-Near-Zero Enabled Streak Camera

#10
20240346974
2024-10-17

Display panel and display apparatus having sensing module

#11
20240334846
2024-10-03

Superconductor-Based Transistor

#12
20240230403
2024-07-11

Luminous flux test circuitry, test method and display panel

#13
20240210243
2024-06-27

ELECTRONIC DEVICE

#14
20230282435
2023-09-07

SAFETY SYSTEMS FOR BATTERY-SUPPLIED FOGGING DEVICE

#15
20230051181
2023-02-16

Photosensitive sensor and corresponding optical signal acquisition method

#16
20220350027
2022-11-03

Light receiving element and ranging system

#17
20220307898
2022-09-29

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

#18
20220260417
2022-08-18

Optical sensing device

#19
20220009781
2022-01-13

ONE-STEP GROWTH OF REDUCED GRAPHENE OXIDE ON ARBITRARY SUBSTRATES

#20
20220003598
2022-01-06

Phototransistor apparatus and method of operating the phototransistor apparatus

#21
20210408357
2021-12-30

Photodetector with superconductor nanowire transistor based on interlayer heat transfer

#22
20210199500
2021-07-01

Display module and method for monitoring backlight brightness comprising an array substrate with plural gate lines, data lines and a photosensitive unit

#23
20200363632
2020-11-19

Optical scanner unit and optical device

#24
20200321507
2020-10-08

Photodetector with superconductor nanowire transistor based on interlayer heat transfer

#25
20200303615
2020-09-24

Superconductor-based transistor

#26
20200284653
2020-09-10

Projector and light detection circuit and light detection method thereof

#27
20200203550
2020-06-25

Metamaterial based metal gate MOSFET detector with gate rasterized

#28
20200066715
2020-02-27

Photon detector

#29
20200000206
2020-01-02

Color capture system and device

#30
20190341918
2019-11-07

Arrangement for a photodetector circuit for low power applications, and a corresponding method and a computer program product

#31
20190334038
2019-10-31

Apparatus for sensing electromagnetic radiation incident substantially perpendicular to the surface of a substrate

#32
20190331527
2019-10-31

ISOLATION AMPLIFIER

#33
20190259792
2019-08-22

Readout systems and methods based on a coincidence threshold

#34
20190257690
2019-08-22

MoSbased photosensor for detecting both light wavelength and intensity

#35
20190204147
2019-07-04

Light detection circuit and detection method thereof, and light detection device

#36
20190140120
2019-05-09

High performance, high electron mobility transistors with graphene hole extraction contacts

#37
20190123223
2019-04-25

Apparatus and associated methods for reducing noise in photodetectors

#38
20190051681
2019-02-14

Quantum dot photodetector apparatus and associated methods

#39
20190035999
2019-01-31

Photodetector with superconductor nanowire transistor based on interlayer heat transfer

#40
20190035904
2019-01-31

Superconductor-based transistor

#41
20190020173
2019-01-17

Laser light source module and method of specifying failure laser diode

#42
20180272923
2018-09-27

Dual color temperature vehicle lamp able to judge driving environment based on invisible light and judging method

#43
20180202861
2018-07-19

MSM photoelectric detection device, method of driving the MSM photoelectric detection device, and X-Ray detector

#44
20170287991
2017-10-05

Light sensitive circuit, light sensing panel having the light sensitive circuit and display apparatus having the light sensing panel

#45
20170284865
2017-10-05

Multifunctional infrared module

#46
20170276541
2017-09-28

Optical sensing circuit having plural sensing components with current paths selectively established according to received colored light and display panel utilizing the same

#47
20170261372
2017-09-14

Stroboscope with integral optical reflective sensor used as a flash trigger

#48
20160195431
2016-07-07

Photoelectric conversion device, image generation device, and method of correcting output of photoelectric conversion device

#49
20160195428
2016-07-07

IR sensor embedded in direct LED backlight and LCD panels and assemblies for receiving IR command codes from a remote

#50
20160111064
2016-04-21

LOAD DRIVING APPARATUS ADAPTED TO DRIVE OUTDOOR DISPLAY

#51
20150198481
2015-07-16

Optical coupling device

#52
20150041628
2015-02-12

Light sensitive circuit, light sensing panel having the light sensitive circuit and display apparatus having the light sensing panel

#53
20140326854
2014-11-06

Photoarray, particularly for combining sampled brightness sensing with asynchronous detection of time-dependent image data

#54
20140246667
2014-09-04

Sensor circuit and semiconductor device including sensor circuit

#55
20130241881
2013-09-19

Photosensing transistors, methods of manufacturing the same, and display panels employing a photosensing transistor

#56
20050194518
2005-09-08

Photoelectric conversion apparatus and photoelectric conversion system using the same

#57
18639722
2025-06-24

Scalable photon number resolving photon detector

#58
18170098
2024-01-30

Electro-optical analog to digital conversion

#59
17098235
2024-05-28

Scalable photon number resolving photon detector

#60
16044882
2020-02-25

Bi CMOS pixel