Authorization conditioned object message download
CA 2365502 A1 · Owner: Kimball, Bridget D. · Inventors: Eisenbart, Robert S.; Miller, Kenneth P.; Poli, Christopher
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to ways for more efficiently receiving information with a set top, box. In one embodiment, a method for distributing a message in a conditional access system, is disclosed. In one step authorization information is received and stored by a conditional, access receiver. An identifier is determined with the authorization information. It is, determined if the conditional access receiver is authorized to receive the message associated, with the identifier. Receipt of the message associated with the identifier may be blocked, based, at least in part, upon the determining if the conditional access receiver is authorized.
Read the whole patent
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, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 2023.
- 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.