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