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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of DE287421CpublicationCriticalpatent/DE287421C/de
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
G01J1/38—Photometry, e.g. photographic exposure meter using wholly visual means
G01J1/40—Photometry, e.g. photographic exposure meter using wholly visual means using limit or visibility or extinction effect
Verfahren zur Korrektur der Durchlaessigkeit eines mit einer durchlaessigen Farbschicht gefaerbten durchsichtigen Bildes (Diapositivs oder Dianegativs) fuer das Licht seiner eigenen Faerbung