The pulse train is counted by the up down counter 42 as shown in FIG 4., and {HEAD ~ this train} is also supplied to {TAIL ~ a driving circuit}, to be described later, of the stepping motor 15 to drive the same 
is supplied to
The pulse train is counted by the up down counter 42 as shown in FIG 4 . , and { HEAD ~ this train } is also supplied to { TAIL ~ a driving circuit } , to be described later , of the stepping motor 15 to drive the same
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH