Digital information system
CA 2362682 A1 · Owner: Dhj Media Ab · Inventors: Jonason, Joakim; Dahlgren, Mats; Hylin, Mats
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method and an arrangement of assigning an information-category and a priority of exposure for spots or blocks of information in a digital information system (10) comprising interfaces for data and telecommunication (26) for round-the-clock transmission of information at places accessible to and frequented by a general public including places where television sets are placed wherein a control centre , (12) has communication interfaces (14) for coordinating and controlling projectors (22), wherein the control centre (12) is able to create and update an exposure list in real time. In said exposure list it being determined how , many times an information is to …
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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 February 16, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 16, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 16, 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.