pick up means for sensing the object and generating an image signal of {HEAD ~ the object} including {TAIL ~ a synchronizing signal}; and 
including
pick up means for sensing the object and generating an image signal of { HEAD ~ the object } including { TAIL ~ a synchronizing signal } ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH