Accordingly, {HEAD ~ the output intensity} of {TAIL ~ infrared laser lights} output to the detection region A as drawn in dashed line in FIG 10 of the waist camera C2 disposed in the first robot R1 can be decreased 
of
Accordingly , { HEAD ~ the output intensity } of { TAIL ~ infrared laser lights } output to the detection region A as drawn in dashed line in FIG 10 of the waist camera C2 disposed in the first robot R1 can be decreased
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH