G01J2001/1636 - CPC Classification Index

ClassID:

165837 ⎘

G01J2001/1636 - CPC Classification

Classification description:

Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors; Arrangements with two photodetectors, the signals of which are compared one detector directly monitoring the source, e.g. also impulse time controlling

Sub-classes:

G01J2001/1642 » {and acting on the detecting circuit} 0

Recent Application in this class:

20250283756

OPTICAL CONCENTRATION MEASURING DEVICE AND SIGNAL PROCESSOR

20240164668

METHODS AND DEVICES FOR DETECTING INTENSITY OF LIGHT WITH TRANSLUCENT DETECTOR

20210396575

Device and Method for Measuring Semiconductor-Based Light Sources

20210148833

Soiling Measurement Device for Photovoltaic Arrays

20210085228

Methods and devices for detecting intensity of light with translucent detector

20180199871

Methods and devices for detecting intensity of light with translucent detector

20100308737

Ambient light compensation sensor and procedure