IPC Subgroup
G01J 1/56 using radiation pressure or radiometer effect
Introduced: September 1968
Last revised: January 2006
Full Title
Photometry, e.g. photographic exposure meter > using radiation pressure or radiometer effect
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
Related Keywords
RADIOMETERS for photometry