Accession Number : AD0164006
Title : Condenser System for High Intensity Light Source.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Rosendahl,Gottfried R.
Report Date : 07 NOV 1972
Pagination or Media Count : 5
Abstract : The patent describes an elliptical mirror used in combination with a xenon arc projection lamp and a high melting point metal stop to provide in one embodiment an improved vertical axis point light source for point light source projectors, and in another embodiment to provide a condensed, vertical axis beam which is annular in section for panoramic projectors using transparencies having an azimuthal scene recorded in annular form.
Descriptors : (*XENON LAMPS, MIRRORS), (*PATENTS, XENON LAMPS), REFLECTORS, FOCUSING
Subject Categories : Air Condition, Heating, Lighting & Ventilating
Distribution Statement : APPROVED FOR PUBLIC RELEASE