Interactive video distribution systems – Use surveying or monitoring – Monitoring physical reaction or presence of viewer
Reexamination Certificate
2011-04-12
2011-04-12
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
07926073
ABSTRACT:
Methods and apparatus for indirect illumination in electronic media rating systems are disclosed. A disclosed example method to detect an audience member includes reflecting non-visible light off of a room surface to indirectly illuminate a first portion of the room, receiving reflections of the indirect illumination, processing the received reflections to determine whether an audience member is present in the illuminated portion of the room, and when the audience member is not detected, adjusting a source of the non-visible light to illuminate a second portion of the room.
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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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