A low cost means for increasing measurement sensitivity in LED near-infrared instruments is disclosed which utilizes a current modification means for modifying the driving current supplied to each IRED as a function of the opacity of the particular sample being measured. The current modification means...http://www.google.es/patents/US5365066?utm_source=gb-gplus-sharePatente US5365066 - Low cost means for increasing measurement sensitivity in LED/IRED near-infrared instruments
Low cost means for increasing measurement sensitivity in LED/IRED near ...
