Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MATERIEL ELECTRIQUE DE CONTROLE ET INDUSTRIEL
Original Assignee
MATERIEL ELECTRIQUE DE CONTROLE ET INDUSTRIEL
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Filing date
Publication date
Application filed by MATERIEL ELECTRIQUE DE CONTROLE ET INDUSTRIELfiledCriticalMATERIEL ELECTRIQUE DE CONTROLE ET INDUSTRIEL
Application grantedgrantedCritical
Publication of FR1037780ApublicationCriticalpatent/FR1037780A/fr
G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
G01J1/00—Photometry, e.g. photographic exposure meter
G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Spectroscopy & Molecular Physics
(AREA)
FR1037780D1951-05-281951-05-28Procédé et appareil pour mesurer l'absorption de radiations par des corps
ExpiredFR1037780A
(fr)