Receiver, transmission device and receiving method
CA 2575250 C · Owner: Bocquet, Wladimir · Inventors: Nakamura, Michiharu; Bocquet, Wladimir
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A problem of the present invention is to obtain a receiver reducing an operation burden required for separating respective transmitted signals from a received signal including the plurality of transmitted signals transmitted by a plurality of transmission antennas simultaneously. The receiver has an adaptive array antenna receiving the plurality of transmitted signals transmitted by the plurality of transmission antennas. The plurality of transmitted signals are mutually distinguished by positional relationship of sub-carriers set in a predetermined value before , transmission. The receiver has means for calculating weight factors suppressing the sub-carrier components set in …
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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 12, 2004 and granted July 31, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 12, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 12, 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.