Ratings control system with temporary override capability and store-recall feature
CA 2394207 A1 · Owner: Thomson Licensing S.A. · Inventors: Lynch, David Johnston
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A video signal processing system for producing an output signal suitable for coupling to a display device to produce a displayed image the video , processing system having a system which blocks viewing of programs which are broadcast with ratings or spending information which is outside a profile set by a supervisor who has entered a password accepted by the control system and , which permits the supervisor to temporarily modify the ratings profile according to a set of overrride parameters. After completion of the time period(s) or supervisor-designated television broadcast(s) the system , automatically returns to the normal ratings profile but retains the set of override parameters …
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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 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.