Translation table design for a pcm modem
CA 2360774 A1 · Owner: Drucker, Vitaly · Inventors: Goldstein, Yuri; Drucker, Vitaly; Okunev, Yuri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods are provided for generating at least one translation table for a modem having a frame having a plurality of slots. DIL sequence information from another is used to generate ordered table of levels (15) and distances (20) , between adjacent levels of the ordered table (15) found for each slot. The distances (20) are used to distinguish between slots subject to robbed bit signaling (RBS) and slots not subject to RBS (25) and the ordered tables (15) , are used to make a determination as to whether the DIL sequence information is A-law or µ-law information. Scaling factors are generated from the Alaw/µ-law determination as well as from a PAD estimation and the scaling , factors …
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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 January 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 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
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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.