Circuitry and method for simultaneously transmitting voice and data information
CA 2268845 A1 · Owner: Ericsson, Inc. · Inventors: Chennakeshu, Sandeep
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Circuitry, and an associated method, for permitting simultaneous transmission of multiple forms of information, such as that generated during operation of a multi-media communication device. Signal bits of the different forms of information are together mapped onto symbols of a multi-level multi-phase , modulation symbol set. Transmission of signals representative of the symbols are transmitted, thereby to effectuate the simultaneous transmission of the multiple forms of information.
Read the whole patent
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 October 10, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 10, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 10, 2019.
- 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.