Method and apparatus to initiate point-to-point call during shared-channel delivery of broadcast content in a wireless telephone network
CA 2514895 C · Owner: Wang, Jun · Inventors: Wang, Jun; Chen, Tao; Sinnarajah, Ragulan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for managing a point-to-point call initiated (702) between a wireless mobile station (114, 400) and a remote party while the mobile is receiving broadcast content via one or more multi-user forward-link broadcast channels (508). The mobile station notifies (704) the network (110) of preferences as to prescribed categories of operating conditions such as whether to continue , receiving the broadcast content and election between the point-to-point call and the broadcast content should network resources be unable to conduct the point-to-point call and broadcast content concurrently. In accordance with the preferences, communications are conducted (706) in one of the following …
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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 2, 2004 and granted November 3, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 2, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 2, 2026.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.