公开(公告)号：DE2409394A1

公开(公告)日：1974-08-29

申请号：DE2409394

申请日：1974-02-27

Applicant: SONY CORP

Inventor： MIYAOKA SENRI ,  IZUMISAWA MATSATO

IPC: H04N9/20 ,  H04N9/73 ,  H04N9/02

Abstract: A signal control system for controlling the level of color signals to modulate the density of the electron beams in a color cathode ray tube having an array of phosphors that emit light of different colors, and in which at least one of the phosphors has a luminosity saturation characteristic that is different from the others. The system includes means to limit the peak signals applied to control the beam that strikes the phosphor least subject to saturation, the purpose being to prevent that phosphor from being excited beyond the level at which the other phosphors can maintain a balanced degree of luminescence.