Methods and apparatus to monitor audio/visual content from various sources
CA 2576865 C · Owner: Nielsen Media Research, Inc. · Inventors: Ramaswamy, Arun
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatus to monitor audio/visual content from various sources are disclosed. An example method to monitor media content provided by a selected one of a plurality of media content sources for presentation by an information presenting device disclosed herein comprises determining first information based on a video signal corresponding to the monitored media content determining second information based on an audio signal corresponding to the monitored media content, identifying the selected one of the plurality of media content sources based on a first classification decision resulting from one of the first information and the second information and a second classification …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 9, 2005 and granted June 18, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 9, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.