DIFF Subgroup
G01J 5/08 Optical arrangements
Introduced: September 1968
Full Title
Radiation pyrometry, e.g. infrared or optical thermometry > Constructional details > Optical arrangements
CPC subdivides this area 3x more granularly than IPC with 19 additional codes.
19 codes are CPC-only extensions.
IPC defines codes here since 2022.
Child Classifications
Navigate with arrow keys, Enter to open
- G01J 5/0801 Means for wavelength selection or discrimination since 2022 IPC+CPC Available in IPC and CPC
- G01J 5/0803 Arrangements for time-dependent attenuation of radiation signals since 2022 IPC+CPC Available in IPC and CPC
- G01J 5/0806 Focusing or collimating elements, e.g. lenses or concave mirrors since 2022 IPC+CPC Available in IPC and CPC
- G01J 5/0831 Masks; Aperture plates; Spatial light modulators since 2022 IPC+CPC Available in IPC and CPC