A frame delay LR separating unit outputs a frame delay LR separation signal separated into {HEAD ~ left and right image signals} in {TAIL ~ a frame} before one repetition period 
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A frame delay LR separating unit outputs a frame delay LR separation signal separated into { HEAD ~ left and right image signals } in { TAIL ~ a frame } before one repetition period
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH