A convergence control method and apparatus for a projection television are provided. The convergence control apparatus includes an image signal decoder, a convergence control unit, and a main microcomputer. The image signal decoder processes an input image signal and generates a data signal and horizontal...http://www.google.fr/patents/US20030057892?utm_source=gb-gplus-shareBrevet US20030057892 - Automatic convergence control method and apparatus for projection television
Automatic convergence control method and apparatus for projection television
Numéro de demande: 10/133,439 Numéro de publication: US 2003/0057892 A1 Date de dépôt: 29 avr. 2002 Brevet délivré: US6600276 ( Date de délivrance 29 juil. 2003)