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A Four-Gun Tube for Color Television Receivers

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2 Author(s)
Rennick, John L. ; Zenith Radio Corporation, Chicago, Illinois ; Heuer, Charles H.

While most NTSC color television receivers built to date have used the three-gun tricolor tube, experimentation with other displays has continued. This paper discusses some aspects of a four-gun four-color tube of the aperture mask type: possibility of minimizing the effect of convergence and other raster deficiencies of the three-gun tube, video circuitry, implications with respect to system amplitude linearity or gamma correction.

Published in:

Broadcast and Television Receivers, Transactions of the IRE Professional Group on  (Volume:PGBTR-3 ,  Issue: 1 )