CPC Subgroup
G01J 1/60 by measuring the pupil of the eye
Full Title
Photometry, e.g. photographic exposure meter (spectrophotometry G01J3/00; specially adapted for radiation pyrometry G01J5/00 ) > by measuring the pupil of the eye
G01J 1/60 Photometry, e.g. photographic exposure meter (spectrophotometry G01J3/00; specially adapted for radiation pyrometry G01J5/00 ) > by measuring the pupil of the eye