Patent ID: 6281951
Filing Date: 2001-08-28
Classification: H04N

Abstract:
Television receiver having monochromatic picture tubes whose pictures can be projected onto a picture screen and each of which pictures has a correction device assigned to it, having a convergence circuit which comprises a memory in which correction values (KW) are stored and which outputs output signals to the correction devices, which respectively comprise at least one correction coil and a driver circuit for each correction coil, the correction devices being suitable for correcting image defects of the respectively assigned picture tubes on the picture screen by virtue of the fact that the driver circuits output correction currents to the associated correction coils, characterized in that the convergence circuit has control means by means of which the output signals output to the correction devices can be influenced in such a way that the same correction is always effected on the picture screen for a specific correction value, independently of the gain of the respective driver circuits.