Thanks for the share. it is really an interesting find. Was an inventor of a sensor with optical interface = https://patentscope.wipo.int/search/en/detail.jsf?docId=US132697092&recNum=1&office=&queryString=FP%3A%28ameya+kantak%29&prevFilter=&sortOption=Pub+Date+Desc&maxRec=11 http://patents.justia.com/inventor/ameya-kantak