Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal
CA 2899107 C · Owner: The Nielsen Company (Us), Llc · Inventors: Ramaswamy, Arun; Nelson, Dan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Local devices may locally insert media in a media signal. Methods and apparatus to distinguish a , signal originating from a local device from a broadcast signal are disclosed. A disclosed example , method to determine the source of a media signal (e.g. broadcast media or local media) includes , determining a sequence of states represented in a sequence of images captured while a user is , navigating an interface of a media presentation device the images , representative of an audio-video signal output by a media presentation device comparing the sequence of states , to a reference sequence of states for the media presentation device to determine if the sequence of , states is a …
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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 December 10, 2004 and granted December 5, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 10, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.