Inventor
NIELSEN CHRISTEN VOSS
US3 patents
Patents
3 patentsUS7631324B2Dec 8, 2009
Methods and apparatus for indirect illumination in electronic media rating systems
NIELSEN CO US LLC46 citations92
US7926073B2Apr 12, 2011
Methods and apparatus for indirect illumination in electronic media rating systems
NIELSEN CO US LLC4 citations70
US7805739B2Sep 28, 2010
Methods and apparatus for indirect illumination in electronic media rating systems
NIELSEN CO US LLC0 citations48