Such two-dimensional interference circuit for a correction system for correcting of colour n - and black / white - shading errors in television images

摘要

there are data on the supply of korrektursignalen for correction of errors or irregularities in spatialen farbdeckungsfehlern and bildschwarz or black / white schattierungsfehlern from a two-dimensional matrixanordnung of korrekturpunkten, via a tv image distributed s ind, sampled, and the data as 8-bit words are stored.the korrektursignal waveforms show a slight rise or the (linear) path between the data points. this circuit allows a creates light rise or fall by providing reference points for each videozeile, the smooth progress of a number of korrekturpunkten to the next switch.a vertical creates vertical interpolation circuit implemented on a line - to - line basis by summing of signals, by a multiplier digital - analog converter can be produced if this with the two values by factors which the di punching of each point are related to interpolate and weighting.the results are fed into a horizontal creates circuit whose signalspannung linear but weird it is running from a reference position to the next rises or falls, the video correction output signals to make.