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Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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Filing date
Publication date
Application filed by Zeiss Ikon AGfiledCriticalZeiss Ikon AG
Application grantedgrantedCritical
Publication of FR899701ApublicationCriticalpatent/FR899701A/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
G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Spectroscopy & Molecular Physics
(AREA)
FR899701D1939-12-141943-11-11Procédé d'essai sensitométrique des substances photographiques
ExpiredFR899701A
(fr)