TV SET Russian patent published in 1998 - IPC

FIELD: TV equipment. SUBSTANCE: device has receiving-amplification path, which first and second synchronization terminals are connected respectively to inputs of frame and line scanning generators, and at least one video terminal which is connected to kinescope which corresponding yoke assembly is connected to outputs of frame and line scanning generators. In addition device has detector of contours of displayed image which input is connected to video terminal of receiving-amplification path. Goal of invention is achieved by introduced electronic commutator which input and outputs are connected respectively to output of contour detector and input of kinescope focusing system. EFFECT: decreased noise and redundancy of image displayed on kinescope screen without loss of horizontal resolution. 3 cl, 4 dwg