The invention further relates to an apparatus for calibrating a sensor which may be used for measuring color of a color display in {HEAD ~ calibration} of {TAIL ~ the display} 
of
The invention further relates to an apparatus for calibrating a sensor which may be used for measuring color of a color display in { HEAD ~ calibration } of { TAIL ~ the display }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL