Method and apparatus for improved data transmissions on telephone links between service providers and remote clients
CA 2298801 A1 · Owner: Zhong, Xiaoyue · Inventors: Lazar, Patrick I.; Poirier, Louis; Kostan, Dean Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus are provided for efficient improved data transmissions on, telephone links between service providers and remote clients. The method and apparatus, perform the steps of receiving an analog encoded data signal selectively , routed by a, switch which is communicatively connected to a set of central office switch assembly, codecs, and performing a high precision synchronized analog to digital , conversion while the signal is relatively close to a phone company central once switch assembly. The, signal is transferred to output circuitry used to transmit signals on phone company, subscriber lines. The signal is converted back to an analog signal prior to its final, …
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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 16, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 16, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 16, 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.