Mobile station receiving method and mobile station receiver
CA 2346785 A1 · Owner: Furukawa, Hiroshi · Inventors: Furukawa, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Degradation of the reception quality and reduction in the number of terminals accommodated are prevented even if signal components are received as an interference at different demodulating timings thereof by distortion of the transmission line. A mobile station receiving method is for a downstream line of a CDMA (Code Division Multiple Access) cellular system in which a base station spreads the spectrum of a transmission signal to be transmitted to mobile stations by means of mutually orthogonal spreading codes and , superposes and transmits the spread-spectrum transmission signals synchronously, and the mobile stations receive the transmitted signals subjected to transmission line …
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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 October 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 22, 2021.
- 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.