AUTOMATIC DEVICE FOR CURRENT BEAM LIMITATION OF TUBE-IMAGE BEAMS WITH SEQUENTIAL CONTROL MODES

摘要

THE INVENTION CONCERNS AN AUTOMATIC DEVICE FOR LIMITING THE CURRENTS OF THE BEAMS OF A TUBE-IMAGE WITH SEQUENTIAL CONTROL MODES. / P P ACCORDING TO THE INVENTION, A SOURCE 10 OF VIDEO SIGNALS, A PROCESS CHANNEL 14, a matrix 18, an attack stage 32 of an image tube 38, a luminance processing channel 22, a regulated gain amplifier 24, an adjustment of the contrast 30, a comparator 55, a control adjustment BRIGHTNESS 58, A DETECTION CIRCUIT 54, A HIGH VOLTAGE POWER SUPPLY 50 AND A CIRCUIT 60 OF TRANSLATION AND SEQUENCE OF ADJUSTMENT SIGNALS. / P P THE INVENTION APPLIES IN PARTICULAR TO COLOR TELEVISION.