Deflection circuit for a wide screen - reproducing apparatus

摘要

A television receiver, comprising: a video display (12) with a wide width to height ratio; horizontal and vertical deflection circuits (20, 25, 74, 60) for generating selectable rasters of different sizes on the video display by modifying horizontal deflection signals; a circuit (Rs) responsive to a vertical deflection signal and generating a first control signal; a waveform generator (40) responsive to the first control signal and generating a substantially parabolic signal (parabola); a raster distortion correction circuit (80) responsive to the substantially parabolic signal; and, a source (S1) of a second control signal (16:9 / 4:3) indicative of a selected horizontal raster width, the horizontal deflection being modified responsive to the second control signal.