A transmission frame structure for a satellite digital audio radio system
CA 2327052 A1 · Owner: Zheng, Dunmin · Inventors: Riazi, Habib; Zheng, Dunmin; Sayeed, Zulfiquar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A satellite digital audio radio system (SDARS) transmitter provides a broadcast, transmission signal including a time division multiplex (TDM) mode of transmission and, a coded orthogonal frequency multiplex (OFDM) mode of transmission. The SDARS transmitter provides a transmission signal that supports four transport mechanisms or, traffic channels: (1) multiple audio and data program channels (program channels), (2) a, cluster control information channel (CC) (3) a global control information , channel (GC) and (4) a synchronization channel (CS). In particular the SDARS transmitter , processes, 100 program channels into 5 clusters each cluster comprising GC and CS , information along …
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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 November 29, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 29, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 29, 2022.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.