Accession Number : ADD009287

Title :   Programmable CRT Brightness Control.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Wallace,Edward L ; Wright,Theodore

Report Date : 13 Jul 1981

Pagination or Media Count : 9

Abstract : A multiple channel cathode ray tube video display provides for adjusting the brightness of the displayed channel by a single input control, such a trackball or keyboard, to a computer that generates a channel coded binary word that is held in one of a plurality of memory latches, each corresponding to a channel. The binary word is converted to an analog brightness signal that controls the gain of a corresponding one of a plurality of video signal amplifiers. (Author)

Descriptors :   *Patent applications, *Display systems, *Cathode ray tubes, *Brightness, Programmed instruction, Analog systems, Input, Binary notation, Gain, Video signals, Video amplifiers, Multichannel, Data displays, Control systems

Subject Categories : Electrooptical and Optoelectronic Devices
      Printing and Graphic Arts

Distribution Statement : APPROVED FOR PUBLIC RELEASE