MAGNETIC PICTURE RECORDING AND REPRODUCING DEVICE

摘要

PURPOSE:To switch heads in a stable blanking period at the time of reproduction by forming a sufficient blanking period for efficiently compensating a skew generated at a head switching point of a reproducing time in a recording time. CONSTITUTION:Scanning line Nos.0-139 are read out after being relayed by a prescribed time tau0 or immediately. Scanning lines Nos.140-279 are read out after being delayed by time tau (negative horizontal scanning period) moreover. After reading out up to scanning line No.559, scanning lines are continuously read out from the scanning line No.563 corresponding to the 2nd field similarly to said procedure by delaying them by time tau every block. In the time corresponding to three horizontal scanning periods delayed by forming three blanking positions in each field, the scanning line Nos.560-562 are not read out to compensate the time axis and the delay time of writing and reading is returned to the original status tau0 at every appearance of the vertical blanking period.