Accession Number:

ADD009287

Title:

Programmable CRT Brightness Control.

Descriptive Note:

Patent Application,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

1981-07-13

Pagination or Media Count:

9.0

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

Subject Categories:

  • Electrooptical and Optoelectronic Devices
  • Printing and Graphic Arts

Distribution Statement:

APPROVED FOR PUBLIC RELEASE