05374951 is referenced by 363 patents and cites 6 patents.

A system for monitoring and recording as data television program viewing habits utilizing a plurality of remote program monitor units in panelists households and automatically periodically reporting such data to a central computer via a conventional telephone network.

Title
Method and system for monitoring television viewing
Application Number
532030
Publication Number
5374951
Application Date
July 8, 1993
Publication Date
December 20, 1994
Inventor
Russell J Welsh
Toronto
CA
Agent
Faegre & Benson
Assignee
PEACH Media Research
CA
IPC
H04N 7/10
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