Interactive video distribution systems – Use surveying or monitoring
Reexamination Certificate
2011-06-07
2011-06-07
Sheleheda, James (Department: 2421)
Interactive video distribution systems
Use surveying or monitoring
C725S014000, C725S031000, C380S264000
Reexamination Certificate
active
07958523
ABSTRACT:
A television program ratings method and system includes transferring information associated with households from a cable provider to a ratings provider such that the ratings provider has access to information associated with sampled households and lacks access to information associated with non-sampled households. To this end, identity information and usage information associated with the households are respectively anonymized and encrypted. Knowledge of the identities of the sampled households enables the anonymized identity information and the encrypted usage information for the sampled households to be respectively de-anonymized and decrypted. The ratings provider knows which households are sampled households. As such, the ratings provider de-anonymizes and decrypts the information associated with the sampled households and then uses the de-anonymized and decrypted information to determine television program ratings. The cable provider anonymizes and encrypts the information for all households as the cable provider does not know which households are sampled households.
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Banner & Witcoff Ltd
Comcast Cable Communications, LLC
Parry Chris
Sheleheda James
LandOfFree
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