Accession Number : ADD000901
Title : Phase Modulated Television Camera Tube.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C
Personal Author(s) : Johns,Robert H
Report Date : 24 Nov 1964
Pagination or Media Count : 2
Abstract : The patent relates to improvements in the circuits and operation of television camera tubes. The invention reduces the noise level by interrupting the beam at a radio frequency rate and makes possible a continuous presentation of the scene by maintaining the beam at such a level that it approaches but does not actually reach the target.
Descriptors : *Camera tubes, *Patents, Television cameras, Phase modulation, Image orthicons, Noise reduction
Subject Categories : Electrooptical and Optoelectronic Devices
Distribution Statement : APPROVED FOR PUBLIC RELEASE