Accession Number : AD0164731
Title : Multi-Channel Sun Photometer.
Descriptive Note : Patent Application,
Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C
Personal Author(s) : Volz,Frederic E.
Report Date : 14 JAN 1974
Pagination or Media Count : 11
Abstract : The patent application describes a multi-channel sun photometer having a housing which contains therein a plurality of openings and filters optically aligned with a silicon photovoltaic photocell. A microammeter is operably connected to the photocell for providing a reading of the amount of light passing through the filters. In addition to the light measurements registered an angle or optical path length measurement can be obtained on a diopter pivotably mounted on the side of the photometer housing.
Descriptors : *Photometers, Patents, Sun, Photometry, Detectors, Photovoltaic effect, Optical filters
Subject Categories : Test Facilities, Equipment and Methods
Distribution Statement : APPROVED FOR PUBLIC RELEASE