IPC Subgroup
G01J 1/16 using electric radiation detectors
Introduced: September 1968
Last revised: January 2006
Full Title
Photometry, e.g. photographic exposure meter > by comparison with reference light or electric value > using electric radiation detectors
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
1 direct subcode
Child Classifications
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- G01J 1/18 using comparison with a reference electric value