Base station system suitable for microcells
CA 2186940 C · Owner: Harada, Nagayasu · Inventors: Harada, Nagayasu; Speanburg, Mickael H.; Matsumoto, Shinji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A base station is configured including an internal bus to connect a terminal section, transceivers that perform control and management of information to be transmitted or received and carries out radio communication at a predetermined radio frequency and on a predetermined communication method and a, controller connecting section that executes communication with a base station controller. The transceivers each comprise a transmitter/receiver section that transmits and receives radio waves at a predetermined radio frequency and using a predetermined communication method, and a logical control unit that performs control of the transmitter/receiver section and interference detection. The base …
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 1, 1996 and granted May 2, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 1, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2018.
- 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.