According to {TAIL ~ one aspect} of the present invention, {HEAD ~ a delay circuit} delays an internal vertical synchronization signal, and there by the timing of an internal horizontal synchronization signal and an internal vertical synchronization signal can be shifted by a predetermined short period of time 
According to { TAIL ~ one aspect } of the present invention , { HEAD ~ a delay circuit } delays an internal vertical synchronization signal , and there by the timing of an internal horizontal synchronization signal and an internal vertical synchronization signal can be shifted by a predetermined short period of time
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