A projection apparatus is formed employing a solid state light source having {HEAD ~ either an associated or integrated sensor} to monitor {TAIL ~ a thermal condition} of a region of the solid state light source 
to monitor
A projection apparatus is formed employing a solid state light source having { HEAD ~ either an associated or integrated sensor } to monitor { TAIL ~ a thermal condition } of a region of the solid state light source
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH