Methods and apparatus are provided for equally aging a cathode ray tube (CRT). In the preferred embodiment, a standard CRT having a 4:3 aspect ratio is provided. An external video terminal is coupled to the CRT and receives any number of external video signals, one or more of which may be non-standard...http://www.google.fr/patents/US6429894?utm_source=gb-gplus-shareBrevet US6429894 - CRT phosphor aging method
