Radiation pyrometry, e.g. infrared or optical thermometry

Introduced: September 1968

Last revised: January 2022

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

Radiation Waves belonging to the sub-millimeter (Terahertz), infrared, visible or ultraviolet parts of the electromagnetic spectrum

Systems for controlling combustion using light-sensitive elements Optical systems, e.g. for plasma diagnostics, used in thermonuclear fusion reactors

BOLOMETERS for measuring temperatureradiation PYROMETRY

12 direct subcodes

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G01J 5/02 Constructional details
G01J 5/1 using electric radiation detectors
G01J 5/38 using extension or expansion of solids or fluids
G01J 5/46 using radiation pressure or radiometer effect
G01J 5/48 Thermography; Techniques using wholly visual means
G01J 5/52 using comparison with reference sources, e.g. disappearing-filament pyrometer
G01J 5/58 using absorption; using extinction effect
G01J 5/59 using polarisation; Details thereof
G01J 5/6 using determination of colour temperature
G01J 5/7 Passive compensation of pyrometer measurements, e.g. using ambient temperature sensing or sensing of temperature within housing
G01J 5/8 Calibration
G01J 5/9 Testing, inspecting or checking operation of radiation pyrometers

Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT