Interactive video distribution systems – Use surveying or monitoring – Monitoring physical reaction or presence of viewer
Reexamination Certificate
2005-06-08
2009-12-08
Lonsberry, Hunter B. (Department: 2421)
Interactive video distribution systems
Use surveying or monitoring
Monitoring physical reaction or presence of viewer
C725S009000, C725S010000
Reexamination Certificate
active
07631324
ABSTRACT:
Methods and apparatus for indirect illumination in electronic media rating systems are disclosed. A disclosed electronic media rating system comprises an audience image detection system and a non-visible light source to provide indirect illumination of an audience member.
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Buonasera John William
Nielsen Christen Voss
Srinivasan Venugopal
Hanley Flight & Zimmerman LLC
Lonsberry Hunter B.
The Nielsen Company (US), LLC
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