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
      Non-radio Communications

Distribution Statement : APPROVED FOR PUBLIC RELEASE