Multiple beam CRT for generating a multiple raster display

Details Multiple beam CRT for generating a multiple raster display Multiple beam CRT for generating a multiple raster display

1974-03-08

1976-03-09

Griffin, Robert L.

Telegraphy

Systems

Simplex-reversing periodic

313409, H04N 328

Patent

active

039432815

ABSTRACT:
A low bandwidth high brightness display system that utilizes a multiple beam cathode ray tube to write multiple rasters by concurrently scanning a plurality of lines with a selected number of beams. Each of the rasters covers a different portion of the screen so that the vertical deflection of the beam is reduced for each beam by a factor related to the number of beams. The system reduces the maximum data rate in writing speed relative to conventional arrangements with a resultant bandwidth reduction proportional to the number of beams. The concept is applicable to television viewing screens and field sequential color television to produce simultaneously a high resolution, high brightness and high quality display.

REFERENCES:
patent: 3006989 (1961-10-01), Schroter
patent: 3654386 (1972-04-01), Baum
patent: 3798478 (1974-03-01), Say

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