Photometry, e.g. photographic exposure meter (spectrophotometry G01J3/00; specially adapted for radiation pyrometry G01J5/00 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Photometry, e.g. photographic exposure meter

CPC: Photometry, e.g. photographic exposure meter (spectrophotometry G01J3/00; specially adapted for radiation pyrometry G01J5/00 )

Full Title

Full titles differ between systems:

IPC:

Photometry, e.g. photographic exposure meter

CPC:

Photometry, e.g. photographic exposure meter (spectrophotometry G01J3/00; specially adapted for radiation pyrometry G01J5/00 )

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

G01J 1/02 Details +16 CPC IPC+CPC Available in IPC and CPC
G01J 1/10 by comparison with reference light or electric value IPC+CPC Available in IPC and CPC
G01J 1/38 using wholly visual means (G01J1/10 takes precedence) IPC+CPC Available in IPC and CPC
G01J 1/42 using electric radiation detectors (optical or mechanical part G01J1/04; by comparison with a reference light or electric value G01J1/10) +10 CPC IPC+CPC Available in IPC and CPC
G01J 1/48 using chemical effects IPC+CPC Available in IPC and CPC
G01J 1/56 using radiation pressure or radiometer effect IPC+CPC Available in IPC and CPC
G01J 1/58 using luminescence generated by light IPC+CPC Available in IPC and CPC
G01J 1/60 by measuring the pupil of the eye IPC+CPC Available in IPC and CPC