Video multiplexer system providing low-latency vcr-like effects and program changes
CA 2537294 C · Owner: Imagine Communications Corp. · Inventors: Krause, Edward A.; Tom, Adam; Monta, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An advanced multiplexer designed and optimized for next generation on-demand video distribution is described. Features and capabilities include low-latency client interactions, quality of service management session based encryption , management, support for multiple video formats and support for multiple video , decoding standards. Indicators are embedded in new video segments to identify start-of-segment transition points, enabling rapid transitions from one video segment to another. Low-latency operation is achieved by rapid switching and , by coordinating flushing of video buffers and buffer restoration.
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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 August 27, 2004 and granted May 12, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 27, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 27, 2026.
- 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.